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unbundle xxh64 3rd party code, see #6316

Thomas Waldmann 3 年之前
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159bd06412
共有 2 个文件被更改,包括 0 次插入5623 次删除
  1. 0 43
      src/borg/algorithms/xxh64/xxhash.c
  2. 0 5580
      src/borg/algorithms/xxh64/xxhash.h

+ 0 - 43
src/borg/algorithms/xxh64/xxhash.c

@@ -1,43 +0,0 @@
-/*
- * xxHash - Extremely Fast Hash algorithm
- * Copyright (C) 2012-2020 Yann Collet
- *
- * BSD 2-Clause License (https://www.opensource.org/licenses/bsd-license.php)
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *    * Redistributions of source code must retain the above copyright
- *      notice, this list of conditions and the following disclaimer.
- *    * Redistributions in binary form must reproduce the above
- *      copyright notice, this list of conditions and the following disclaimer
- *      in the documentation and/or other materials provided with the
- *      distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You can contact the author at:
- *   - xxHash homepage: https://www.xxhash.com
- *   - xxHash source repository: https://github.com/Cyan4973/xxHash
- */
-
-
-/*
- * xxhash.c instantiates functions defined in xxhash.h
- */
-
-#define XXH_STATIC_LINKING_ONLY   /* access advanced declarations */
-#define XXH_IMPLEMENTATION   /* access definitions */
-
-#include "xxhash.h"

+ 0 - 5580
src/borg/algorithms/xxh64/xxhash.h

@@ -1,5580 +0,0 @@
-/*
- * xxHash - Extremely Fast Hash algorithm
- * Header File
- * Copyright (C) 2012-2020 Yann Collet
- *
- * BSD 2-Clause License (https://www.opensource.org/licenses/bsd-license.php)
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *    * Redistributions of source code must retain the above copyright
- *      notice, this list of conditions and the following disclaimer.
- *    * Redistributions in binary form must reproduce the above
- *      copyright notice, this list of conditions and the following disclaimer
- *      in the documentation and/or other materials provided with the
- *      distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You can contact the author at:
- *   - xxHash homepage: https://www.xxhash.com
- *   - xxHash source repository: https://github.com/Cyan4973/xxHash
- */
-/*!
- * @mainpage xxHash
- *
- * @file xxhash.h
- * xxHash prototypes and implementation
- */
-/* TODO: update */
-/* Notice extracted from xxHash homepage:
-
-xxHash is an extremely fast hash algorithm, running at RAM speed limits.
-It also successfully passes all tests from the SMHasher suite.
-
-Comparison (single thread, Windows Seven 32 bits, using SMHasher on a Core 2 Duo @3GHz)
-
-Name            Speed       Q.Score   Author
-xxHash          5.4 GB/s     10
-CrapWow         3.2 GB/s      2       Andrew
-MurmurHash 3a   2.7 GB/s     10       Austin Appleby
-SpookyHash      2.0 GB/s     10       Bob Jenkins
-SBox            1.4 GB/s      9       Bret Mulvey
-Lookup3         1.2 GB/s      9       Bob Jenkins
-SuperFastHash   1.2 GB/s      1       Paul Hsieh
-CityHash64      1.05 GB/s    10       Pike & Alakuijala
-FNV             0.55 GB/s     5       Fowler, Noll, Vo
-CRC32           0.43 GB/s     9
-MD5-32          0.33 GB/s    10       Ronald L. Rivest
-SHA1-32         0.28 GB/s    10
-
-Q.Score is a measure of quality of the hash function.
-It depends on successfully passing SMHasher test set.
-10 is a perfect score.
-
-Note: SMHasher's CRC32 implementation is not the fastest one.
-Other speed-oriented implementations can be faster,
-especially in combination with PCLMUL instruction:
-https://fastcompression.blogspot.com/2019/03/presenting-xxh3.html?showComment=1552696407071#c3490092340461170735
-
-A 64-bit version, named XXH64, is available since r35.
-It offers much better speed, but for 64-bit applications only.
-Name     Speed on 64 bits    Speed on 32 bits
-XXH64       13.8 GB/s            1.9 GB/s
-XXH32        6.8 GB/s            6.0 GB/s
-*/
-
-#if defined (__cplusplus)
-extern "C" {
-#endif
-
-/* ****************************
- *  INLINE mode
- ******************************/
-/*!
- * XXH_INLINE_ALL (and XXH_PRIVATE_API)
- * Use these build macros to inline xxhash into the target unit.
- * Inlining improves performance on small inputs, especially when the length is
- * expressed as a compile-time constant:
- *
- *      https://fastcompression.blogspot.com/2018/03/xxhash-for-small-keys-impressive-power.html
- *
- * It also keeps xxHash symbols private to the unit, so they are not exported.
- *
- * Usage:
- *     #define XXH_INLINE_ALL
- *     #include "xxhash.h"
- *
- * Do not compile and link xxhash.o as a separate object, as it is not useful.
- */
-#if (defined(XXH_INLINE_ALL) || defined(XXH_PRIVATE_API)) \
-    && !defined(XXH_INLINE_ALL_31684351384)
-   /* this section should be traversed only once */
-#  define XXH_INLINE_ALL_31684351384
-   /* give access to the advanced API, required to compile implementations */
-#  undef XXH_STATIC_LINKING_ONLY   /* avoid macro redef */
-#  define XXH_STATIC_LINKING_ONLY
-   /* make all functions private */
-#  undef XXH_PUBLIC_API
-#  if defined(__GNUC__)
-#    define XXH_PUBLIC_API static __inline __attribute__((unused))
-#  elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
-#    define XXH_PUBLIC_API static inline
-#  elif defined(_MSC_VER)
-#    define XXH_PUBLIC_API static __inline
-#  else
-     /* note: this version may generate warnings for unused static functions */
-#    define XXH_PUBLIC_API static
-#  endif
-
-   /*
-    * This part deals with the special case where a unit wants to inline xxHash,
-    * but "xxhash.h" has previously been included without XXH_INLINE_ALL,
-    * such as part of some previously included *.h header file.
-    * Without further action, the new include would just be ignored,
-    * and functions would effectively _not_ be inlined (silent failure).
-    * The following macros solve this situation by prefixing all inlined names,
-    * avoiding naming collision with previous inclusions.
-    */
-   /* Before that, we unconditionally #undef all symbols,
-    * in case they were already defined with XXH_NAMESPACE.
-    * They will then be redefined for XXH_INLINE_ALL
-    */
-#  undef XXH_versionNumber
-    /* XXH32 */
-#  undef XXH32
-#  undef XXH32_createState
-#  undef XXH32_freeState
-#  undef XXH32_reset
-#  undef XXH32_update
-#  undef XXH32_digest
-#  undef XXH32_copyState
-#  undef XXH32_canonicalFromHash
-#  undef XXH32_hashFromCanonical
-    /* XXH64 */
-#  undef XXH64
-#  undef XXH64_createState
-#  undef XXH64_freeState
-#  undef XXH64_reset
-#  undef XXH64_update
-#  undef XXH64_digest
-#  undef XXH64_copyState
-#  undef XXH64_canonicalFromHash
-#  undef XXH64_hashFromCanonical
-    /* XXH3_64bits */
-#  undef XXH3_64bits
-#  undef XXH3_64bits_withSecret
-#  undef XXH3_64bits_withSeed
-#  undef XXH3_64bits_withSecretandSeed
-#  undef XXH3_createState
-#  undef XXH3_freeState
-#  undef XXH3_copyState
-#  undef XXH3_64bits_reset
-#  undef XXH3_64bits_reset_withSeed
-#  undef XXH3_64bits_reset_withSecret
-#  undef XXH3_64bits_update
-#  undef XXH3_64bits_digest
-#  undef XXH3_generateSecret
-    /* XXH3_128bits */
-#  undef XXH128
-#  undef XXH3_128bits
-#  undef XXH3_128bits_withSeed
-#  undef XXH3_128bits_withSecret
-#  undef XXH3_128bits_reset
-#  undef XXH3_128bits_reset_withSeed
-#  undef XXH3_128bits_reset_withSecret
-#  undef XXH3_128bits_reset_withSecretandSeed
-#  undef XXH3_128bits_update
-#  undef XXH3_128bits_digest
-#  undef XXH128_isEqual
-#  undef XXH128_cmp
-#  undef XXH128_canonicalFromHash
-#  undef XXH128_hashFromCanonical
-    /* Finally, free the namespace itself */
-#  undef XXH_NAMESPACE
-
-    /* employ the namespace for XXH_INLINE_ALL */
-#  define XXH_NAMESPACE XXH_INLINE_
-   /*
-    * Some identifiers (enums, type names) are not symbols,
-    * but they must nonetheless be renamed to avoid redeclaration.
-    * Alternative solution: do not redeclare them.
-    * However, this requires some #ifdefs, and has a more dispersed impact.
-    * Meanwhile, renaming can be achieved in a single place.
-    */
-#  define XXH_IPREF(Id)   XXH_NAMESPACE ## Id
-#  define XXH_OK XXH_IPREF(XXH_OK)
-#  define XXH_ERROR XXH_IPREF(XXH_ERROR)
-#  define XXH_errorcode XXH_IPREF(XXH_errorcode)
-#  define XXH32_canonical_t  XXH_IPREF(XXH32_canonical_t)
-#  define XXH64_canonical_t  XXH_IPREF(XXH64_canonical_t)
-#  define XXH128_canonical_t XXH_IPREF(XXH128_canonical_t)
-#  define XXH32_state_s XXH_IPREF(XXH32_state_s)
-#  define XXH32_state_t XXH_IPREF(XXH32_state_t)
-#  define XXH64_state_s XXH_IPREF(XXH64_state_s)
-#  define XXH64_state_t XXH_IPREF(XXH64_state_t)
-#  define XXH3_state_s  XXH_IPREF(XXH3_state_s)
-#  define XXH3_state_t  XXH_IPREF(XXH3_state_t)
-#  define XXH128_hash_t XXH_IPREF(XXH128_hash_t)
-   /* Ensure the header is parsed again, even if it was previously included */
-#  undef XXHASH_H_5627135585666179
-#  undef XXHASH_H_STATIC_13879238742
-#endif /* XXH_INLINE_ALL || XXH_PRIVATE_API */
-
-
-
-/* ****************************************************************
- *  Stable API
- *****************************************************************/
-#ifndef XXHASH_H_5627135585666179
-#define XXHASH_H_5627135585666179 1
-
-
-/*!
- * @defgroup public Public API
- * Contains details on the public xxHash functions.
- * @{
- */
-/* specific declaration modes for Windows */
-#if !defined(XXH_INLINE_ALL) && !defined(XXH_PRIVATE_API)
-#  if defined(WIN32) && defined(_MSC_VER) && (defined(XXH_IMPORT) || defined(XXH_EXPORT))
-#    ifdef XXH_EXPORT
-#      define XXH_PUBLIC_API __declspec(dllexport)
-#    elif XXH_IMPORT
-#      define XXH_PUBLIC_API __declspec(dllimport)
-#    endif
-#  else
-#    define XXH_PUBLIC_API   /* do nothing */
-#  endif
-#endif
-
-#ifdef XXH_DOXYGEN
-/*!
- * @brief Emulate a namespace by transparently prefixing all symbols.
- *
- * If you want to include _and expose_ xxHash functions from within your own
- * library, but also want to avoid symbol collisions with other libraries which
- * may also include xxHash, you can use XXH_NAMESPACE to automatically prefix
- * any public symbol from xxhash library with the value of XXH_NAMESPACE
- * (therefore, avoid empty or numeric values).
- *
- * Note that no change is required within the calling program as long as it
- * includes `xxhash.h`: Regular symbol names will be automatically translated
- * by this header.
- */
-#  define XXH_NAMESPACE /* YOUR NAME HERE */
-#  undef XXH_NAMESPACE
-#endif
-
-#ifdef XXH_NAMESPACE
-#  define XXH_CAT(A,B) A##B
-#  define XXH_NAME2(A,B) XXH_CAT(A,B)
-#  define XXH_versionNumber XXH_NAME2(XXH_NAMESPACE, XXH_versionNumber)
-/* XXH32 */
-#  define XXH32 XXH_NAME2(XXH_NAMESPACE, XXH32)
-#  define XXH32_createState XXH_NAME2(XXH_NAMESPACE, XXH32_createState)
-#  define XXH32_freeState XXH_NAME2(XXH_NAMESPACE, XXH32_freeState)
-#  define XXH32_reset XXH_NAME2(XXH_NAMESPACE, XXH32_reset)
-#  define XXH32_update XXH_NAME2(XXH_NAMESPACE, XXH32_update)
-#  define XXH32_digest XXH_NAME2(XXH_NAMESPACE, XXH32_digest)
-#  define XXH32_copyState XXH_NAME2(XXH_NAMESPACE, XXH32_copyState)
-#  define XXH32_canonicalFromHash XXH_NAME2(XXH_NAMESPACE, XXH32_canonicalFromHash)
-#  define XXH32_hashFromCanonical XXH_NAME2(XXH_NAMESPACE, XXH32_hashFromCanonical)
-/* XXH64 */
-#  define XXH64 XXH_NAME2(XXH_NAMESPACE, XXH64)
-#  define XXH64_createState XXH_NAME2(XXH_NAMESPACE, XXH64_createState)
-#  define XXH64_freeState XXH_NAME2(XXH_NAMESPACE, XXH64_freeState)
-#  define XXH64_reset XXH_NAME2(XXH_NAMESPACE, XXH64_reset)
-#  define XXH64_update XXH_NAME2(XXH_NAMESPACE, XXH64_update)
-#  define XXH64_digest XXH_NAME2(XXH_NAMESPACE, XXH64_digest)
-#  define XXH64_copyState XXH_NAME2(XXH_NAMESPACE, XXH64_copyState)
-#  define XXH64_canonicalFromHash XXH_NAME2(XXH_NAMESPACE, XXH64_canonicalFromHash)
-#  define XXH64_hashFromCanonical XXH_NAME2(XXH_NAMESPACE, XXH64_hashFromCanonical)
-/* XXH3_64bits */
-#  define XXH3_64bits XXH_NAME2(XXH_NAMESPACE, XXH3_64bits)
-#  define XXH3_64bits_withSecret XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_withSecret)
-#  define XXH3_64bits_withSeed XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_withSeed)
-#  define XXH3_64bits_withSecretandSeed XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_withSecretandSeed)
-#  define XXH3_createState XXH_NAME2(XXH_NAMESPACE, XXH3_createState)
-#  define XXH3_freeState XXH_NAME2(XXH_NAMESPACE, XXH3_freeState)
-#  define XXH3_copyState XXH_NAME2(XXH_NAMESPACE, XXH3_copyState)
-#  define XXH3_64bits_reset XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_reset)
-#  define XXH3_64bits_reset_withSeed XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_reset_withSeed)
-#  define XXH3_64bits_reset_withSecret XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_reset_withSecret)
-#  define XXH3_64bits_reset_withSecretandSeed XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_reset_withSecretandSeed)
-#  define XXH3_64bits_update XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_update)
-#  define XXH3_64bits_digest XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_digest)
-#  define XXH3_generateSecret XXH_NAME2(XXH_NAMESPACE, XXH3_generateSecret)
-#  define XXH3_generateSecret_fromSeed XXH_NAME2(XXH_NAMESPACE, XXH3_generateSecret_fromSeed)
-/* XXH3_128bits */
-#  define XXH128 XXH_NAME2(XXH_NAMESPACE, XXH128)
-#  define XXH3_128bits XXH_NAME2(XXH_NAMESPACE, XXH3_128bits)
-#  define XXH3_128bits_withSeed XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_withSeed)
-#  define XXH3_128bits_withSecret XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_withSecret)
-#  define XXH3_128bits_withSecretandSeed XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_withSecretandSeed)
-#  define XXH3_128bits_reset XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_reset)
-#  define XXH3_128bits_reset_withSeed XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_reset_withSeed)
-#  define XXH3_128bits_reset_withSecret XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_reset_withSecret)
-#  define XXH3_128bits_reset_withSecretandSeed XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_reset_withSecretandSeed)
-#  define XXH3_128bits_update XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_update)
-#  define XXH3_128bits_digest XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_digest)
-#  define XXH128_isEqual XXH_NAME2(XXH_NAMESPACE, XXH128_isEqual)
-#  define XXH128_cmp     XXH_NAME2(XXH_NAMESPACE, XXH128_cmp)
-#  define XXH128_canonicalFromHash XXH_NAME2(XXH_NAMESPACE, XXH128_canonicalFromHash)
-#  define XXH128_hashFromCanonical XXH_NAME2(XXH_NAMESPACE, XXH128_hashFromCanonical)
-#endif
-
-
-/* *************************************
-*  Version
-***************************************/
-#define XXH_VERSION_MAJOR    0
-#define XXH_VERSION_MINOR    8
-#define XXH_VERSION_RELEASE  1
-#define XXH_VERSION_NUMBER  (XXH_VERSION_MAJOR *100*100 + XXH_VERSION_MINOR *100 + XXH_VERSION_RELEASE)
-
-/*!
- * @brief Obtains the xxHash version.
- *
- * This is mostly useful when xxHash is compiled as a shared library,
- * since the returned value comes from the library, as opposed to header file.
- *
- * @return `XXH_VERSION_NUMBER` of the invoked library.
- */
-XXH_PUBLIC_API unsigned XXH_versionNumber (void);
-
-
-/* ****************************
-*  Common basic types
-******************************/
-#include <stddef.h>   /* size_t */
-typedef enum { XXH_OK=0, XXH_ERROR } XXH_errorcode;
-
-
-/*-**********************************************************************
-*  32-bit hash
-************************************************************************/
-#if defined(XXH_DOXYGEN) /* Don't show <stdint.h> include */
-/*!
- * @brief An unsigned 32-bit integer.
- *
- * Not necessarily defined to `uint32_t` but functionally equivalent.
- */
-typedef uint32_t XXH32_hash_t;
-
-#elif !defined (__VMS) \
-  && (defined (__cplusplus) \
-  || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
-#   include <stdint.h>
-    typedef uint32_t XXH32_hash_t;
-
-#else
-#   include <limits.h>
-#   if UINT_MAX == 0xFFFFFFFFUL
-      typedef unsigned int XXH32_hash_t;
-#   else
-#     if ULONG_MAX == 0xFFFFFFFFUL
-        typedef unsigned long XXH32_hash_t;
-#     else
-#       error "unsupported platform: need a 32-bit type"
-#     endif
-#   endif
-#endif
-
-/*!
- * @}
- *
- * @defgroup xxh32_family XXH32 family
- * @ingroup public
- * Contains functions used in the classic 32-bit xxHash algorithm.
- *
- * @note
- *   XXH32 is useful for older platforms, with no or poor 64-bit performance.
- *   Note that @ref xxh3_family provides competitive speed
- *   for both 32-bit and 64-bit systems, and offers true 64/128 bit hash results.
- *
- * @see @ref xxh64_family, @ref xxh3_family : Other xxHash families
- * @see @ref xxh32_impl for implementation details
- * @{
- */
-
-/*!
- * @brief Calculates the 32-bit hash of @p input using xxHash32.
- *
- * Speed on Core 2 Duo @ 3 GHz (single thread, SMHasher benchmark): 5.4 GB/s
- *
- * @param input The block of data to be hashed, at least @p length bytes in size.
- * @param length The length of @p input, in bytes.
- * @param seed The 32-bit seed to alter the hash's output predictably.
- *
- * @pre
- *   The memory between @p input and @p input + @p length must be valid,
- *   readable, contiguous memory. However, if @p length is `0`, @p input may be
- *   `NULL`. In C++, this also must be *TriviallyCopyable*.
- *
- * @return The calculated 32-bit hash value.
- *
- * @see
- *    XXH64(), XXH3_64bits_withSeed(), XXH3_128bits_withSeed(), XXH128():
- *    Direct equivalents for the other variants of xxHash.
- * @see
- *    XXH32_createState(), XXH32_update(), XXH32_digest(): Streaming version.
- */
-XXH_PUBLIC_API XXH32_hash_t XXH32 (const void* input, size_t length, XXH32_hash_t seed);
-
-/*!
- * Streaming functions generate the xxHash value from an incremental input.
- * This method is slower than single-call functions, due to state management.
- * For small inputs, prefer `XXH32()` and `XXH64()`, which are better optimized.
- *
- * An XXH state must first be allocated using `XXH*_createState()`.
- *
- * Start a new hash by initializing the state with a seed using `XXH*_reset()`.
- *
- * Then, feed the hash state by calling `XXH*_update()` as many times as necessary.
- *
- * The function returns an error code, with 0 meaning OK, and any other value
- * meaning there is an error.
- *
- * Finally, a hash value can be produced anytime, by using `XXH*_digest()`.
- * This function returns the nn-bits hash as an int or long long.
- *
- * It's still possible to continue inserting input into the hash state after a
- * digest, and generate new hash values later on by invoking `XXH*_digest()`.
- *
- * When done, release the state using `XXH*_freeState()`.
- *
- * Example code for incrementally hashing a file:
- * @code{.c}
- *    #include <stdio.h>
- *    #include <xxhash.h>
- *    #define BUFFER_SIZE 256
- *
- *    // Note: XXH64 and XXH3 use the same interface.
- *    XXH32_hash_t
- *    hashFile(FILE* stream)
- *    {
- *        XXH32_state_t* state;
- *        unsigned char buf[BUFFER_SIZE];
- *        size_t amt;
- *        XXH32_hash_t hash;
- *
- *        state = XXH32_createState();       // Create a state
- *        assert(state != NULL);             // Error check here
- *        XXH32_reset(state, 0xbaad5eed);    // Reset state with our seed
- *        while ((amt = fread(buf, 1, sizeof(buf), stream)) != 0) {
- *            XXH32_update(state, buf, amt); // Hash the file in chunks
- *        }
- *        hash = XXH32_digest(state);        // Finalize the hash
- *        XXH32_freeState(state);            // Clean up
- *        return hash;
- *    }
- * @endcode
- */
-
-/*!
- * @typedef struct XXH32_state_s XXH32_state_t
- * @brief The opaque state struct for the XXH32 streaming API.
- *
- * @see XXH32_state_s for details.
- */
-typedef struct XXH32_state_s XXH32_state_t;
-
-/*!
- * @brief Allocates an @ref XXH32_state_t.
- *
- * Must be freed with XXH32_freeState().
- * @return An allocated XXH32_state_t on success, `NULL` on failure.
- */
-XXH_PUBLIC_API XXH32_state_t* XXH32_createState(void);
-/*!
- * @brief Frees an @ref XXH32_state_t.
- *
- * Must be allocated with XXH32_createState().
- * @param statePtr A pointer to an @ref XXH32_state_t allocated with @ref XXH32_createState().
- * @return XXH_OK.
- */
-XXH_PUBLIC_API XXH_errorcode  XXH32_freeState(XXH32_state_t* statePtr);
-/*!
- * @brief Copies one @ref XXH32_state_t to another.
- *
- * @param dst_state The state to copy to.
- * @param src_state The state to copy from.
- * @pre
- *   @p dst_state and @p src_state must not be `NULL` and must not overlap.
- */
-XXH_PUBLIC_API void XXH32_copyState(XXH32_state_t* dst_state, const XXH32_state_t* src_state);
-
-/*!
- * @brief Resets an @ref XXH32_state_t to begin a new hash.
- *
- * This function resets and seeds a state. Call it before @ref XXH32_update().
- *
- * @param statePtr The state struct to reset.
- * @param seed The 32-bit seed to alter the hash result predictably.
- *
- * @pre
- *   @p statePtr must not be `NULL`.
- *
- * @return @ref XXH_OK on success, @ref XXH_ERROR on failure.
- */
-XXH_PUBLIC_API XXH_errorcode XXH32_reset  (XXH32_state_t* statePtr, XXH32_hash_t seed);
-
-/*!
- * @brief Consumes a block of @p input to an @ref XXH32_state_t.
- *
- * Call this to incrementally consume blocks of data.
- *
- * @param statePtr The state struct to update.
- * @param input The block of data to be hashed, at least @p length bytes in size.
- * @param length The length of @p input, in bytes.
- *
- * @pre
- *   @p statePtr must not be `NULL`.
- * @pre
- *   The memory between @p input and @p input + @p length must be valid,
- *   readable, contiguous memory. However, if @p length is `0`, @p input may be
- *   `NULL`. In C++, this also must be *TriviallyCopyable*.
- *
- * @return @ref XXH_OK on success, @ref XXH_ERROR on failure.
- */
-XXH_PUBLIC_API XXH_errorcode XXH32_update (XXH32_state_t* statePtr, const void* input, size_t length);
-
-/*!
- * @brief Returns the calculated hash value from an @ref XXH32_state_t.
- *
- * @note
- *   Calling XXH32_digest() will not affect @p statePtr, so you can update,
- *   digest, and update again.
- *
- * @param statePtr The state struct to calculate the hash from.
- *
- * @pre
- *  @p statePtr must not be `NULL`.
- *
- * @return The calculated xxHash32 value from that state.
- */
-XXH_PUBLIC_API XXH32_hash_t  XXH32_digest (const XXH32_state_t* statePtr);
-
-/*******   Canonical representation   *******/
-
-/*
- * The default return values from XXH functions are unsigned 32 and 64 bit
- * integers.
- * This the simplest and fastest format for further post-processing.
- *
- * However, this leaves open the question of what is the order on the byte level,
- * since little and big endian conventions will store the same number differently.
- *
- * The canonical representation settles this issue by mandating big-endian
- * convention, the same convention as human-readable numbers (large digits first).
- *
- * When writing hash values to storage, sending them over a network, or printing
- * them, it's highly recommended to use the canonical representation to ensure
- * portability across a wider range of systems, present and future.
- *
- * The following functions allow transformation of hash values to and from
- * canonical format.
- */
-
-/*!
- * @brief Canonical (big endian) representation of @ref XXH32_hash_t.
- */
-typedef struct {
-    unsigned char digest[4]; /*!< Hash bytes, big endian */
-} XXH32_canonical_t;
-
-/*!
- * @brief Converts an @ref XXH32_hash_t to a big endian @ref XXH32_canonical_t.
- *
- * @param dst The @ref XXH32_canonical_t pointer to be stored to.
- * @param hash The @ref XXH32_hash_t to be converted.
- *
- * @pre
- *   @p dst must not be `NULL`.
- */
-XXH_PUBLIC_API void XXH32_canonicalFromHash(XXH32_canonical_t* dst, XXH32_hash_t hash);
-
-/*!
- * @brief Converts an @ref XXH32_canonical_t to a native @ref XXH32_hash_t.
- *
- * @param src The @ref XXH32_canonical_t to convert.
- *
- * @pre
- *   @p src must not be `NULL`.
- *
- * @return The converted hash.
- */
-XXH_PUBLIC_API XXH32_hash_t XXH32_hashFromCanonical(const XXH32_canonical_t* src);
-
-
-#ifdef __has_attribute
-# define XXH_HAS_ATTRIBUTE(x) __has_attribute(x)
-#else
-# define XXH_HAS_ATTRIBUTE(x) 0
-#endif
-
-/* C-language Attributes are added in C23. */
-#if defined(__STDC_VERSION__) && (__STDC_VERSION__ > 201710L) && defined(__has_c_attribute)
-# define XXH_HAS_C_ATTRIBUTE(x) __has_c_attribute(x)
-#else
-# define XXH_HAS_C_ATTRIBUTE(x) 0
-#endif
-
-#if defined(__cplusplus) && defined(__has_cpp_attribute)
-# define XXH_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x)
-#else
-# define XXH_HAS_CPP_ATTRIBUTE(x) 0
-#endif
-
-/*
-Define XXH_FALLTHROUGH macro for annotating switch case with the 'fallthrough' attribute
-introduced in CPP17 and C23.
-CPP17 : https://en.cppreference.com/w/cpp/language/attributes/fallthrough
-C23   : https://en.cppreference.com/w/c/language/attributes/fallthrough
-*/
-#if XXH_HAS_C_ATTRIBUTE(x)
-# define XXH_FALLTHROUGH [[fallthrough]]
-#elif XXH_HAS_CPP_ATTRIBUTE(x)
-# define XXH_FALLTHROUGH [[fallthrough]]
-#elif XXH_HAS_ATTRIBUTE(__fallthrough__)
-# define XXH_FALLTHROUGH __attribute__ ((fallthrough))
-#else
-# define XXH_FALLTHROUGH
-#endif
-
-/*!
- * @}
- * @ingroup public
- * @{
- */
-
-#ifndef XXH_NO_LONG_LONG
-/*-**********************************************************************
-*  64-bit hash
-************************************************************************/
-#if defined(XXH_DOXYGEN) /* don't include <stdint.h> */
-/*!
- * @brief An unsigned 64-bit integer.
- *
- * Not necessarily defined to `uint64_t` but functionally equivalent.
- */
-typedef uint64_t XXH64_hash_t;
-#elif !defined (__VMS) \
-  && (defined (__cplusplus) \
-  || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
-#  include <stdint.h>
-   typedef uint64_t XXH64_hash_t;
-#else
-#  include <limits.h>
-#  if defined(__LP64__) && ULONG_MAX == 0xFFFFFFFFFFFFFFFFULL
-     /* LP64 ABI says uint64_t is unsigned long */
-     typedef unsigned long XXH64_hash_t;
-#  else
-     /* the following type must have a width of 64-bit */
-     typedef unsigned long long XXH64_hash_t;
-#  endif
-#endif
-
-/*!
- * @}
- *
- * @defgroup xxh64_family XXH64 family
- * @ingroup public
- * @{
- * Contains functions used in the classic 64-bit xxHash algorithm.
- *
- * @note
- *   XXH3 provides competitive speed for both 32-bit and 64-bit systems,
- *   and offers true 64/128 bit hash results.
- *   It provides better speed for systems with vector processing capabilities.
- */
-
-
-/*!
- * @brief Calculates the 64-bit hash of @p input using xxHash64.
- *
- * This function usually runs faster on 64-bit systems, but slower on 32-bit
- * systems (see benchmark).
- *
- * @param input The block of data to be hashed, at least @p length bytes in size.
- * @param length The length of @p input, in bytes.
- * @param seed The 64-bit seed to alter the hash's output predictably.
- *
- * @pre
- *   The memory between @p input and @p input + @p length must be valid,
- *   readable, contiguous memory. However, if @p length is `0`, @p input may be
- *   `NULL`. In C++, this also must be *TriviallyCopyable*.
- *
- * @return The calculated 64-bit hash.
- *
- * @see
- *    XXH32(), XXH3_64bits_withSeed(), XXH3_128bits_withSeed(), XXH128():
- *    Direct equivalents for the other variants of xxHash.
- * @see
- *    XXH64_createState(), XXH64_update(), XXH64_digest(): Streaming version.
- */
-XXH_PUBLIC_API XXH64_hash_t XXH64(const void* input, size_t length, XXH64_hash_t seed);
-
-/*******   Streaming   *******/
-/*!
- * @brief The opaque state struct for the XXH64 streaming API.
- *
- * @see XXH64_state_s for details.
- */
-typedef struct XXH64_state_s XXH64_state_t;   /* incomplete type */
-XXH_PUBLIC_API XXH64_state_t* XXH64_createState(void);
-XXH_PUBLIC_API XXH_errorcode  XXH64_freeState(XXH64_state_t* statePtr);
-XXH_PUBLIC_API void XXH64_copyState(XXH64_state_t* dst_state, const XXH64_state_t* src_state);
-
-XXH_PUBLIC_API XXH_errorcode XXH64_reset  (XXH64_state_t* statePtr, XXH64_hash_t seed);
-XXH_PUBLIC_API XXH_errorcode XXH64_update (XXH64_state_t* statePtr, const void* input, size_t length);
-XXH_PUBLIC_API XXH64_hash_t  XXH64_digest (const XXH64_state_t* statePtr);
-
-/*******   Canonical representation   *******/
-typedef struct { unsigned char digest[sizeof(XXH64_hash_t)]; } XXH64_canonical_t;
-XXH_PUBLIC_API void XXH64_canonicalFromHash(XXH64_canonical_t* dst, XXH64_hash_t hash);
-XXH_PUBLIC_API XXH64_hash_t XXH64_hashFromCanonical(const XXH64_canonical_t* src);
-
-/*!
- * @}
- * ************************************************************************
- * @defgroup xxh3_family XXH3 family
- * @ingroup public
- * @{
- *
- * XXH3 is a more recent hash algorithm featuring:
- *  - Improved speed for both small and large inputs
- *  - True 64-bit and 128-bit outputs
- *  - SIMD acceleration
- *  - Improved 32-bit viability
- *
- * Speed analysis methodology is explained here:
- *
- *    https://fastcompression.blogspot.com/2019/03/presenting-xxh3.html
- *
- * Compared to XXH64, expect XXH3 to run approximately
- * ~2x faster on large inputs and >3x faster on small ones,
- * exact differences vary depending on platform.
- *
- * XXH3's speed benefits greatly from SIMD and 64-bit arithmetic,
- * but does not require it.
- * Any 32-bit and 64-bit targets that can run XXH32 smoothly
- * can run XXH3 at competitive speeds, even without vector support.
- * Further details are explained in the implementation.
- *
- * Optimized implementations are provided for AVX512, AVX2, SSE2, NEON, POWER8,
- * ZVector and scalar targets. This can be controlled via the XXH_VECTOR macro.
- *
- * XXH3 implementation is portable:
- * it has a generic C90 formulation that can be compiled on any platform,
- * all implementations generage exactly the same hash value on all platforms.
- * Starting from v0.8.0, it's also labelled "stable", meaning that
- * any future version will also generate the same hash value.
- *
- * XXH3 offers 2 variants, _64bits and _128bits.
- *
- * When only 64 bits are needed, prefer invoking the _64bits variant, as it
- * reduces the amount of mixing, resulting in faster speed on small inputs.
- * It's also generally simpler to manipulate a scalar return type than a struct.
- *
- * The API supports one-shot hashing, streaming mode, and custom secrets.
- */
-
-/*-**********************************************************************
-*  XXH3 64-bit variant
-************************************************************************/
-
-/* XXH3_64bits():
- * default 64-bit variant, using default secret and default seed of 0.
- * It's the fastest variant. */
-XXH_PUBLIC_API XXH64_hash_t XXH3_64bits(const void* data, size_t len);
-
-/*
- * XXH3_64bits_withSeed():
- * This variant generates a custom secret on the fly
- * based on default secret altered using the `seed` value.
- * While this operation is decently fast, note that it's not completely free.
- * Note: seed==0 produces the same results as XXH3_64bits().
- */
-XXH_PUBLIC_API XXH64_hash_t XXH3_64bits_withSeed(const void* data, size_t len, XXH64_hash_t seed);
-
-/*!
- * The bare minimum size for a custom secret.
- *
- * @see
- *  XXH3_64bits_withSecret(), XXH3_64bits_reset_withSecret(),
- *  XXH3_128bits_withSecret(), XXH3_128bits_reset_withSecret().
- */
-#define XXH3_SECRET_SIZE_MIN 136
-
-/*
- * XXH3_64bits_withSecret():
- * It's possible to provide any blob of bytes as a "secret" to generate the hash.
- * This makes it more difficult for an external actor to prepare an intentional collision.
- * The main condition is that secretSize *must* be large enough (>= XXH3_SECRET_SIZE_MIN).
- * However, the quality of the secret impacts the dispersion of the hash algorithm.
- * Therefore, the secret _must_ look like a bunch of random bytes.
- * Avoid "trivial" or structured data such as repeated sequences or a text document.
- * Whenever in doubt about the "randomness" of the blob of bytes,
- * consider employing "XXH3_generateSecret()" instead (see below).
- * It will generate a proper high entropy secret derived from the blob of bytes.
- * Another advantage of using XXH3_generateSecret() is that
- * it guarantees that all bits within the initial blob of bytes
- * will impact every bit of the output.
- * This is not necessarily the case when using the blob of bytes directly
- * because, when hashing _small_ inputs, only a portion of the secret is employed.
- */
-XXH_PUBLIC_API XXH64_hash_t XXH3_64bits_withSecret(const void* data, size_t len, const void* secret, size_t secretSize);
-
-
-/*******   Streaming   *******/
-/*
- * Streaming requires state maintenance.
- * This operation costs memory and CPU.
- * As a consequence, streaming is slower than one-shot hashing.
- * For better performance, prefer one-shot functions whenever applicable.
- */
-
-/*!
- * @brief The state struct for the XXH3 streaming API.
- *
- * @see XXH3_state_s for details.
- */
-typedef struct XXH3_state_s XXH3_state_t;
-XXH_PUBLIC_API XXH3_state_t* XXH3_createState(void);
-XXH_PUBLIC_API XXH_errorcode XXH3_freeState(XXH3_state_t* statePtr);
-XXH_PUBLIC_API void XXH3_copyState(XXH3_state_t* dst_state, const XXH3_state_t* src_state);
-
-/*
- * XXH3_64bits_reset():
- * Initialize with default parameters.
- * digest will be equivalent to `XXH3_64bits()`.
- */
-XXH_PUBLIC_API XXH_errorcode XXH3_64bits_reset(XXH3_state_t* statePtr);
-/*
- * XXH3_64bits_reset_withSeed():
- * Generate a custom secret from `seed`, and store it into `statePtr`.
- * digest will be equivalent to `XXH3_64bits_withSeed()`.
- */
-XXH_PUBLIC_API XXH_errorcode XXH3_64bits_reset_withSeed(XXH3_state_t* statePtr, XXH64_hash_t seed);
-/*
- * XXH3_64bits_reset_withSecret():
- * `secret` is referenced, it _must outlive_ the hash streaming session.
- * Similar to one-shot API, `secretSize` must be >= `XXH3_SECRET_SIZE_MIN`,
- * and the quality of produced hash values depends on secret's entropy
- * (secret's content should look like a bunch of random bytes).
- * When in doubt about the randomness of a candidate `secret`,
- * consider employing `XXH3_generateSecret()` instead (see below).
- */
-XXH_PUBLIC_API XXH_errorcode XXH3_64bits_reset_withSecret(XXH3_state_t* statePtr, const void* secret, size_t secretSize);
-
-XXH_PUBLIC_API XXH_errorcode XXH3_64bits_update (XXH3_state_t* statePtr, const void* input, size_t length);
-XXH_PUBLIC_API XXH64_hash_t  XXH3_64bits_digest (const XXH3_state_t* statePtr);
-
-/* note : canonical representation of XXH3 is the same as XXH64
- * since they both produce XXH64_hash_t values */
-
-
-/*-**********************************************************************
-*  XXH3 128-bit variant
-************************************************************************/
-
-/*!
- * @brief The return value from 128-bit hashes.
- *
- * Stored in little endian order, although the fields themselves are in native
- * endianness.
- */
-typedef struct {
-    XXH64_hash_t low64;   /*!< `value & 0xFFFFFFFFFFFFFFFF` */
-    XXH64_hash_t high64;  /*!< `value >> 64` */
-} XXH128_hash_t;
-
-XXH_PUBLIC_API XXH128_hash_t XXH3_128bits(const void* data, size_t len);
-XXH_PUBLIC_API XXH128_hash_t XXH3_128bits_withSeed(const void* data, size_t len, XXH64_hash_t seed);
-XXH_PUBLIC_API XXH128_hash_t XXH3_128bits_withSecret(const void* data, size_t len, const void* secret, size_t secretSize);
-
-/*******   Streaming   *******/
-/*
- * Streaming requires state maintenance.
- * This operation costs memory and CPU.
- * As a consequence, streaming is slower than one-shot hashing.
- * For better performance, prefer one-shot functions whenever applicable.
- *
- * XXH3_128bits uses the same XXH3_state_t as XXH3_64bits().
- * Use already declared XXH3_createState() and XXH3_freeState().
- *
- * All reset and streaming functions have same meaning as their 64-bit counterpart.
- */
-
-XXH_PUBLIC_API XXH_errorcode XXH3_128bits_reset(XXH3_state_t* statePtr);
-XXH_PUBLIC_API XXH_errorcode XXH3_128bits_reset_withSeed(XXH3_state_t* statePtr, XXH64_hash_t seed);
-XXH_PUBLIC_API XXH_errorcode XXH3_128bits_reset_withSecret(XXH3_state_t* statePtr, const void* secret, size_t secretSize);
-
-XXH_PUBLIC_API XXH_errorcode XXH3_128bits_update (XXH3_state_t* statePtr, const void* input, size_t length);
-XXH_PUBLIC_API XXH128_hash_t XXH3_128bits_digest (const XXH3_state_t* statePtr);
-
-/* Following helper functions make it possible to compare XXH128_hast_t values.
- * Since XXH128_hash_t is a structure, this capability is not offered by the language.
- * Note: For better performance, these functions can be inlined using XXH_INLINE_ALL */
-
-/*!
- * XXH128_isEqual():
- * Return: 1 if `h1` and `h2` are equal, 0 if they are not.
- */
-XXH_PUBLIC_API int XXH128_isEqual(XXH128_hash_t h1, XXH128_hash_t h2);
-
-/*!
- * XXH128_cmp():
- *
- * This comparator is compatible with stdlib's `qsort()`/`bsearch()`.
- *
- * return: >0 if *h128_1  > *h128_2
- *         =0 if *h128_1 == *h128_2
- *         <0 if *h128_1  < *h128_2
- */
-XXH_PUBLIC_API int XXH128_cmp(const void* h128_1, const void* h128_2);
-
-
-/*******   Canonical representation   *******/
-typedef struct { unsigned char digest[sizeof(XXH128_hash_t)]; } XXH128_canonical_t;
-XXH_PUBLIC_API void XXH128_canonicalFromHash(XXH128_canonical_t* dst, XXH128_hash_t hash);
-XXH_PUBLIC_API XXH128_hash_t XXH128_hashFromCanonical(const XXH128_canonical_t* src);
-
-
-#endif  /* XXH_NO_LONG_LONG */
-
-/*!
- * @}
- */
-#endif /* XXHASH_H_5627135585666179 */
-
-
-
-#if defined(XXH_STATIC_LINKING_ONLY) && !defined(XXHASH_H_STATIC_13879238742)
-#define XXHASH_H_STATIC_13879238742
-/* ****************************************************************************
- * This section contains declarations which are not guaranteed to remain stable.
- * They may change in future versions, becoming incompatible with a different
- * version of the library.
- * These declarations should only be used with static linking.
- * Never use them in association with dynamic linking!
- ***************************************************************************** */
-
-/*
- * These definitions are only present to allow static allocation
- * of XXH states, on stack or in a struct, for example.
- * Never **ever** access their members directly.
- */
-
-/*!
- * @internal
- * @brief Structure for XXH32 streaming API.
- *
- * @note This is only defined when @ref XXH_STATIC_LINKING_ONLY,
- * @ref XXH_INLINE_ALL, or @ref XXH_IMPLEMENTATION is defined. Otherwise it is
- * an opaque type. This allows fields to safely be changed.
- *
- * Typedef'd to @ref XXH32_state_t.
- * Do not access the members of this struct directly.
- * @see XXH64_state_s, XXH3_state_s
- */
-struct XXH32_state_s {
-   XXH32_hash_t total_len_32; /*!< Total length hashed, modulo 2^32 */
-   XXH32_hash_t large_len;    /*!< Whether the hash is >= 16 (handles @ref total_len_32 overflow) */
-   XXH32_hash_t v[4];         /*!< Accumulator lanes */
-   XXH32_hash_t mem32[4];     /*!< Internal buffer for partial reads. Treated as unsigned char[16]. */
-   XXH32_hash_t memsize;      /*!< Amount of data in @ref mem32 */
-   XXH32_hash_t reserved;     /*!< Reserved field. Do not read or write to it, it may be removed. */
-};   /* typedef'd to XXH32_state_t */
-
-
-#ifndef XXH_NO_LONG_LONG  /* defined when there is no 64-bit support */
-
-/*!
- * @internal
- * @brief Structure for XXH64 streaming API.
- *
- * @note This is only defined when @ref XXH_STATIC_LINKING_ONLY,
- * @ref XXH_INLINE_ALL, or @ref XXH_IMPLEMENTATION is defined. Otherwise it is
- * an opaque type. This allows fields to safely be changed.
- *
- * Typedef'd to @ref XXH64_state_t.
- * Do not access the members of this struct directly.
- * @see XXH32_state_s, XXH3_state_s
- */
-struct XXH64_state_s {
-   XXH64_hash_t total_len;    /*!< Total length hashed. This is always 64-bit. */
-   XXH64_hash_t v[4];         /*!< Accumulator lanes */
-   XXH64_hash_t mem64[4];     /*!< Internal buffer for partial reads. Treated as unsigned char[32]. */
-   XXH32_hash_t memsize;      /*!< Amount of data in @ref mem64 */
-   XXH32_hash_t reserved32;   /*!< Reserved field, needed for padding anyways*/
-   XXH64_hash_t reserved64;   /*!< Reserved field. Do not read or write to it, it may be removed. */
-};   /* typedef'd to XXH64_state_t */
-
-#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* >= C11 */
-#  include <stdalign.h>
-#  define XXH_ALIGN(n)      alignas(n)
-#elif defined(__cplusplus) && (__cplusplus >= 201103L) /* >= C++11 */
-/* In C++ alignas() is a keyword */
-#  define XXH_ALIGN(n)      alignas(n)
-#elif defined(__GNUC__)
-#  define XXH_ALIGN(n)      __attribute__ ((aligned(n)))
-#elif defined(_MSC_VER)
-#  define XXH_ALIGN(n)      __declspec(align(n))
-#else
-#  define XXH_ALIGN(n)   /* disabled */
-#endif
-
-/* Old GCC versions only accept the attribute after the type in structures. */
-#if !(defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L))   /* C11+ */ \
-    && ! (defined(__cplusplus) && (__cplusplus >= 201103L)) /* >= C++11 */ \
-    && defined(__GNUC__)
-#   define XXH_ALIGN_MEMBER(align, type) type XXH_ALIGN(align)
-#else
-#   define XXH_ALIGN_MEMBER(align, type) XXH_ALIGN(align) type
-#endif
-
-/*!
- * @brief The size of the internal XXH3 buffer.
- *
- * This is the optimal update size for incremental hashing.
- *
- * @see XXH3_64b_update(), XXH3_128b_update().
- */
-#define XXH3_INTERNALBUFFER_SIZE 256
-
-/*!
- * @brief Default size of the secret buffer (and @ref XXH3_kSecret).
- *
- * This is the size used in @ref XXH3_kSecret and the seeded functions.
- *
- * Not to be confused with @ref XXH3_SECRET_SIZE_MIN.
- */
-#define XXH3_SECRET_DEFAULT_SIZE 192
-
-/*!
- * @internal
- * @brief Structure for XXH3 streaming API.
- *
- * @note This is only defined when @ref XXH_STATIC_LINKING_ONLY,
- * @ref XXH_INLINE_ALL, or @ref XXH_IMPLEMENTATION is defined.
- * Otherwise it is an opaque type.
- * Never use this definition in combination with dynamic library.
- * This allows fields to safely be changed in the future.
- *
- * @note ** This structure has a strict alignment requirement of 64 bytes!! **
- * Do not allocate this with `malloc()` or `new`,
- * it will not be sufficiently aligned.
- * Use @ref XXH3_createState() and @ref XXH3_freeState(), or stack allocation.
- *
- * Typedef'd to @ref XXH3_state_t.
- * Do never access the members of this struct directly.
- *
- * @see XXH3_INITSTATE() for stack initialization.
- * @see XXH3_createState(), XXH3_freeState().
- * @see XXH32_state_s, XXH64_state_s
- */
-struct XXH3_state_s {
-   XXH_ALIGN_MEMBER(64, XXH64_hash_t acc[8]);
-       /*!< The 8 accumulators. Similar to `vN` in @ref XXH32_state_s::v1 and @ref XXH64_state_s */
-   XXH_ALIGN_MEMBER(64, unsigned char customSecret[XXH3_SECRET_DEFAULT_SIZE]);
-       /*!< Used to store a custom secret generated from a seed. */
-   XXH_ALIGN_MEMBER(64, unsigned char buffer[XXH3_INTERNALBUFFER_SIZE]);
-       /*!< The internal buffer. @see XXH32_state_s::mem32 */
-   XXH32_hash_t bufferedSize;
-       /*!< The amount of memory in @ref buffer, @see XXH32_state_s::memsize */
-   XXH32_hash_t useSeed;
-       /*!< Reserved field. Needed for padding on 64-bit. */
-   size_t nbStripesSoFar;
-       /*!< Number or stripes processed. */
-   XXH64_hash_t totalLen;
-       /*!< Total length hashed. 64-bit even on 32-bit targets. */
-   size_t nbStripesPerBlock;
-       /*!< Number of stripes per block. */
-   size_t secretLimit;
-       /*!< Size of @ref customSecret or @ref extSecret */
-   XXH64_hash_t seed;
-       /*!< Seed for _withSeed variants. Must be zero otherwise, @see XXH3_INITSTATE() */
-   XXH64_hash_t reserved64;
-       /*!< Reserved field. */
-   const unsigned char* extSecret;
-       /*!< Reference to an external secret for the _withSecret variants, NULL
-        *   for other variants. */
-   /* note: there may be some padding at the end due to alignment on 64 bytes */
-}; /* typedef'd to XXH3_state_t */
-
-#undef XXH_ALIGN_MEMBER
-
-/*!
- * @brief Initializes a stack-allocated `XXH3_state_s`.
- *
- * When the @ref XXH3_state_t structure is merely emplaced on stack,
- * it should be initialized with XXH3_INITSTATE() or a memset()
- * in case its first reset uses XXH3_NNbits_reset_withSeed().
- * This init can be omitted if the first reset uses default or _withSecret mode.
- * This operation isn't necessary when the state is created with XXH3_createState().
- * Note that this doesn't prepare the state for a streaming operation,
- * it's still necessary to use XXH3_NNbits_reset*() afterwards.
- */
-#define XXH3_INITSTATE(XXH3_state_ptr)   { (XXH3_state_ptr)->seed = 0; }
-
-
-/* XXH128() :
- * simple alias to pre-selected XXH3_128bits variant
- */
-XXH_PUBLIC_API XXH128_hash_t XXH128(const void* data, size_t len, XXH64_hash_t seed);
-
-
-/* ===   Experimental API   === */
-/* Symbols defined below must be considered tied to a specific library version. */
-
-/*
- * XXH3_generateSecret():
- *
- * Derive a high-entropy secret from any user-defined content, named customSeed.
- * The generated secret can be used in combination with `*_withSecret()` functions.
- * The `_withSecret()` variants are useful to provide a higher level of protection than 64-bit seed,
- * as it becomes much more difficult for an external actor to guess how to impact the calculation logic.
- *
- * The function accepts as input a custom seed of any length and any content,
- * and derives from it a high-entropy secret of length @secretSize
- * into an already allocated buffer @secretBuffer.
- * @secretSize must be >= XXH3_SECRET_SIZE_MIN
- *
- * The generated secret can then be used with any `*_withSecret()` variant.
- * Functions `XXH3_128bits_withSecret()`, `XXH3_64bits_withSecret()`,
- * `XXH3_128bits_reset_withSecret()` and `XXH3_64bits_reset_withSecret()`
- * are part of this list. They all accept a `secret` parameter
- * which must be large enough for implementation reasons (>= XXH3_SECRET_SIZE_MIN)
- * _and_ feature very high entropy (consist of random-looking bytes).
- * These conditions can be a high bar to meet, so
- * XXH3_generateSecret() can be employed to ensure proper quality.
- *
- * customSeed can be anything. It can have any size, even small ones,
- * and its content can be anything, even "poor entropy" sources such as a bunch of zeroes.
- * The resulting `secret` will nonetheless provide all required qualities.
- *
- * When customSeedSize > 0, supplying NULL as customSeed is undefined behavior.
- */
-XXH_PUBLIC_API XXH_errorcode XXH3_generateSecret(void* secretBuffer, size_t secretSize, const void* customSeed, size_t customSeedSize);
-
-
-/*
- * XXH3_generateSecret_fromSeed():
- *
- * Generate the same secret as the _withSeed() variants.
- *
- * The resulting secret has a length of XXH3_SECRET_DEFAULT_SIZE (necessarily).
- * @secretBuffer must be already allocated, of size at least XXH3_SECRET_DEFAULT_SIZE bytes.
- *
- * The generated secret can be used in combination with
- *`*_withSecret()` and `_withSecretandSeed()` variants.
- * This generator is notably useful in combination with `_withSecretandSeed()`,
- * as a way to emulate a faster `_withSeed()` variant.
- */
-XXH_PUBLIC_API void XXH3_generateSecret_fromSeed(void* secretBuffer, XXH64_hash_t seed);
-
-/*
- * *_withSecretandSeed() :
- * These variants generate hash values using either
- * @seed for "short" keys (< XXH3_MIDSIZE_MAX = 240 bytes)
- * or @secret for "large" keys (>= XXH3_MIDSIZE_MAX).
- *
- * This generally benefits speed, compared to `_withSeed()` or `_withSecret()`.
- * `_withSeed()` has to generate the secret on the fly for "large" keys.
- * It's fast, but can be perceptible for "not so large" keys (< 1 KB).
- * `_withSecret()` has to generate the masks on the fly for "small" keys,
- * which requires more instructions than _withSeed() variants.
- * Therefore, _withSecretandSeed variant combines the best of both worlds.
- *
- * When @secret has been generated by XXH3_generateSecret_fromSeed(),
- * this variant produces *exactly* the same results as `_withSeed()` variant,
- * hence offering only a pure speed benefit on "large" input,
- * by skipping the need to regenerate the secret for every large input.
- *
- * Another usage scenario is to hash the secret to a 64-bit hash value,
- * for example with XXH3_64bits(), which then becomes the seed,
- * and then employ both the seed and the secret in _withSecretandSeed().
- * On top of speed, an added benefit is that each bit in the secret
- * has a 50% chance to swap each bit in the output,
- * via its impact to the seed.
- * This is not guaranteed when using the secret directly in "small data" scenarios,
- * because only portions of the secret are employed for small data.
- */
-XXH_PUBLIC_API XXH64_hash_t
-XXH3_64bits_withSecretandSeed(const void* data, size_t len,
-                              const void* secret, size_t secretSize,
-                              XXH64_hash_t seed);
-
-XXH_PUBLIC_API XXH128_hash_t
-XXH3_128bits_withSecretandSeed(const void* data, size_t len,
-                               const void* secret, size_t secretSize,
-                               XXH64_hash_t seed64);
-
-XXH_PUBLIC_API XXH_errorcode
-XXH3_64bits_reset_withSecretandSeed(XXH3_state_t* statePtr,
-                                    const void* secret, size_t secretSize,
-                                    XXH64_hash_t seed64);
-
-XXH_PUBLIC_API XXH_errorcode
-XXH3_128bits_reset_withSecretandSeed(XXH3_state_t* statePtr,
-                                     const void* secret, size_t secretSize,
-                                     XXH64_hash_t seed64);
-
-
-#endif  /* XXH_NO_LONG_LONG */
-#if defined(XXH_INLINE_ALL) || defined(XXH_PRIVATE_API)
-#  define XXH_IMPLEMENTATION
-#endif
-
-#endif  /* defined(XXH_STATIC_LINKING_ONLY) && !defined(XXHASH_H_STATIC_13879238742) */
-
-
-/* ======================================================================== */
-/* ======================================================================== */
-/* ======================================================================== */
-
-
-/*-**********************************************************************
- * xxHash implementation
- *-**********************************************************************
- * xxHash's implementation used to be hosted inside xxhash.c.
- *
- * However, inlining requires implementation to be visible to the compiler,
- * hence be included alongside the header.
- * Previously, implementation was hosted inside xxhash.c,
- * which was then #included when inlining was activated.
- * This construction created issues with a few build and install systems,
- * as it required xxhash.c to be stored in /include directory.
- *
- * xxHash implementation is now directly integrated within xxhash.h.
- * As a consequence, xxhash.c is no longer needed in /include.
- *
- * xxhash.c is still available and is still useful.
- * In a "normal" setup, when xxhash is not inlined,
- * xxhash.h only exposes the prototypes and public symbols,
- * while xxhash.c can be built into an object file xxhash.o
- * which can then be linked into the final binary.
- ************************************************************************/
-
-#if ( defined(XXH_INLINE_ALL) || defined(XXH_PRIVATE_API) \
-   || defined(XXH_IMPLEMENTATION) ) && !defined(XXH_IMPLEM_13a8737387)
-#  define XXH_IMPLEM_13a8737387
-
-/* *************************************
-*  Tuning parameters
-***************************************/
-
-/*!
- * @defgroup tuning Tuning parameters
- * @{
- *
- * Various macros to control xxHash's behavior.
- */
-#ifdef XXH_DOXYGEN
-/*!
- * @brief Define this to disable 64-bit code.
- *
- * Useful if only using the @ref xxh32_family and you have a strict C90 compiler.
- */
-#  define XXH_NO_LONG_LONG
-#  undef XXH_NO_LONG_LONG /* don't actually */
-/*!
- * @brief Controls how unaligned memory is accessed.
- *
- * By default, access to unaligned memory is controlled by `memcpy()`, which is
- * safe and portable.
- *
- * Unfortunately, on some target/compiler combinations, the generated assembly
- * is sub-optimal.
- *
- * The below switch allow selection of a different access method
- * in the search for improved performance.
- *
- * @par Possible options:
- *
- *  - `XXH_FORCE_MEMORY_ACCESS=0` (default): `memcpy`
- *   @par
- *     Use `memcpy()`. Safe and portable. Note that most modern compilers will
- *     eliminate the function call and treat it as an unaligned access.
- *
- *  - `XXH_FORCE_MEMORY_ACCESS=1`: `__attribute__((packed))`
- *   @par
- *     Depends on compiler extensions and is therefore not portable.
- *     This method is safe _if_ your compiler supports it,
- *     and *generally* as fast or faster than `memcpy`.
- *
- *  - `XXH_FORCE_MEMORY_ACCESS=2`: Direct cast
- *  @par
- *     Casts directly and dereferences. This method doesn't depend on the
- *     compiler, but it violates the C standard as it directly dereferences an
- *     unaligned pointer. It can generate buggy code on targets which do not
- *     support unaligned memory accesses, but in some circumstances, it's the
- *     only known way to get the most performance.
- *
- *  - `XXH_FORCE_MEMORY_ACCESS=3`: Byteshift
- *  @par
- *     Also portable. This can generate the best code on old compilers which don't
- *     inline small `memcpy()` calls, and it might also be faster on big-endian
- *     systems which lack a native byteswap instruction. However, some compilers
- *     will emit literal byteshifts even if the target supports unaligned access.
- *  .
- *
- * @warning
- *   Methods 1 and 2 rely on implementation-defined behavior. Use these with
- *   care, as what works on one compiler/platform/optimization level may cause
- *   another to read garbage data or even crash.
- *
- * See http://fastcompression.blogspot.com/2015/08/accessing-unaligned-memory.html for details.
- *
- * Prefer these methods in priority order (0 > 3 > 1 > 2)
- */
-#  define XXH_FORCE_MEMORY_ACCESS 0
-
-/*!
- * @def XXH_FORCE_ALIGN_CHECK
- * @brief If defined to non-zero, adds a special path for aligned inputs (XXH32()
- * and XXH64() only).
- *
- * This is an important performance trick for architectures without decent
- * unaligned memory access performance.
- *
- * It checks for input alignment, and when conditions are met, uses a "fast
- * path" employing direct 32-bit/64-bit reads, resulting in _dramatically
- * faster_ read speed.
- *
- * The check costs one initial branch per hash, which is generally negligible,
- * but not zero.
- *
- * Moreover, it's not useful to generate an additional code path if memory
- * access uses the same instruction for both aligned and unaligned
- * addresses (e.g. x86 and aarch64).
- *
- * In these cases, the alignment check can be removed by setting this macro to 0.
- * Then the code will always use unaligned memory access.
- * Align check is automatically disabled on x86, x64 & arm64,
- * which are platforms known to offer good unaligned memory accesses performance.
- *
- * This option does not affect XXH3 (only XXH32 and XXH64).
- */
-#  define XXH_FORCE_ALIGN_CHECK 0
-
-/*!
- * @def XXH_NO_INLINE_HINTS
- * @brief When non-zero, sets all functions to `static`.
- *
- * By default, xxHash tries to force the compiler to inline almost all internal
- * functions.
- *
- * This can usually improve performance due to reduced jumping and improved
- * constant folding, but significantly increases the size of the binary which
- * might not be favorable.
- *
- * Additionally, sometimes the forced inlining can be detrimental to performance,
- * depending on the architecture.
- *
- * XXH_NO_INLINE_HINTS marks all internal functions as static, giving the
- * compiler full control on whether to inline or not.
- *
- * When not optimizing (-O0), optimizing for size (-Os, -Oz), or using
- * -fno-inline with GCC or Clang, this will automatically be defined.
- */
-#  define XXH_NO_INLINE_HINTS 0
-
-/*!
- * @def XXH32_ENDJMP
- * @brief Whether to use a jump for `XXH32_finalize`.
- *
- * For performance, `XXH32_finalize` uses multiple branches in the finalizer.
- * This is generally preferable for performance,
- * but depending on exact architecture, a jmp may be preferable.
- *
- * This setting is only possibly making a difference for very small inputs.
- */
-#  define XXH32_ENDJMP 0
-
-/*!
- * @internal
- * @brief Redefines old internal names.
- *
- * For compatibility with code that uses xxHash's internals before the names
- * were changed to improve namespacing. There is no other reason to use this.
- */
-#  define XXH_OLD_NAMES
-#  undef XXH_OLD_NAMES /* don't actually use, it is ugly. */
-#endif /* XXH_DOXYGEN */
-/*!
- * @}
- */
-
-#ifndef XXH_FORCE_MEMORY_ACCESS   /* can be defined externally, on command line for example */
-   /* prefer __packed__ structures (method 1) for gcc on armv7+ and mips */
-#  if !defined(__clang__) && \
-( \
-    (defined(__INTEL_COMPILER) && !defined(_WIN32)) || \
-    ( \
-        defined(__GNUC__) && ( \
-            (defined(__ARM_ARCH) && __ARM_ARCH >= 7) || \
-            ( \
-                defined(__mips__) && \
-                (__mips <= 5 || __mips_isa_rev < 6) && \
-                (!defined(__mips16) || defined(__mips_mips16e2)) \
-            ) \
-        ) \
-    ) \
-)
-#    define XXH_FORCE_MEMORY_ACCESS 1
-#  endif
-#endif
-
-#ifndef XXH_FORCE_ALIGN_CHECK  /* can be defined externally */
-#  if defined(__i386)  || defined(__x86_64__) || defined(__aarch64__) \
-   || defined(_M_IX86) || defined(_M_X64)     || defined(_M_ARM64) /* visual */
-#    define XXH_FORCE_ALIGN_CHECK 0
-#  else
-#    define XXH_FORCE_ALIGN_CHECK 1
-#  endif
-#endif
-
-#ifndef XXH_NO_INLINE_HINTS
-#  if defined(__OPTIMIZE_SIZE__) /* -Os, -Oz */ \
-   || defined(__NO_INLINE__)     /* -O0, -fno-inline */
-#    define XXH_NO_INLINE_HINTS 1
-#  else
-#    define XXH_NO_INLINE_HINTS 0
-#  endif
-#endif
-
-#ifndef XXH32_ENDJMP
-/* generally preferable for performance */
-#  define XXH32_ENDJMP 0
-#endif
-
-/*!
- * @defgroup impl Implementation
- * @{
- */
-
-
-/* *************************************
-*  Includes & Memory related functions
-***************************************/
-/*
- * Modify the local functions below should you wish to use
- * different memory routines for malloc() and free()
- */
-#include <stdlib.h>
-
-/*!
- * @internal
- * @brief Modify this function to use a different routine than malloc().
- */
-static void* XXH_malloc(size_t s) { return malloc(s); }
-
-/*!
- * @internal
- * @brief Modify this function to use a different routine than free().
- */
-static void XXH_free(void* p) { free(p); }
-
-#include <string.h>
-
-/*!
- * @internal
- * @brief Modify this function to use a different routine than memcpy().
- */
-static void* XXH_memcpy(void* dest, const void* src, size_t size)
-{
-    return memcpy(dest,src,size);
-}
-
-#include <limits.h>   /* ULLONG_MAX */
-
-
-/* *************************************
-*  Compiler Specific Options
-***************************************/
-#ifdef _MSC_VER /* Visual Studio warning fix */
-#  pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
-#endif
-
-#if XXH_NO_INLINE_HINTS  /* disable inlining hints */
-#  if defined(__GNUC__) || defined(__clang__)
-#    define XXH_FORCE_INLINE static __attribute__((unused))
-#  else
-#    define XXH_FORCE_INLINE static
-#  endif
-#  define XXH_NO_INLINE static
-/* enable inlining hints */
-#elif defined(__GNUC__) || defined(__clang__)
-#  define XXH_FORCE_INLINE static __inline__ __attribute__((always_inline, unused))
-#  define XXH_NO_INLINE static __attribute__((noinline))
-#elif defined(_MSC_VER)  /* Visual Studio */
-#  define XXH_FORCE_INLINE static __forceinline
-#  define XXH_NO_INLINE static __declspec(noinline)
-#elif defined (__cplusplus) \
-  || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L))   /* C99 */
-#  define XXH_FORCE_INLINE static inline
-#  define XXH_NO_INLINE static
-#else
-#  define XXH_FORCE_INLINE static
-#  define XXH_NO_INLINE static
-#endif
-
-
-
-/* *************************************
-*  Debug
-***************************************/
-/*!
- * @ingroup tuning
- * @def XXH_DEBUGLEVEL
- * @brief Sets the debugging level.
- *
- * XXH_DEBUGLEVEL is expected to be defined externally, typically via the
- * compiler's command line options. The value must be a number.
- */
-#ifndef XXH_DEBUGLEVEL
-#  ifdef DEBUGLEVEL /* backwards compat */
-#    define XXH_DEBUGLEVEL DEBUGLEVEL
-#  else
-#    define XXH_DEBUGLEVEL 0
-#  endif
-#endif
-
-#if (XXH_DEBUGLEVEL>=1)
-#  include <assert.h>   /* note: can still be disabled with NDEBUG */
-#  define XXH_ASSERT(c)   assert(c)
-#else
-#  define XXH_ASSERT(c)   ((void)0)
-#endif
-
-/* note: use after variable declarations */
-#ifndef XXH_STATIC_ASSERT
-#  if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)    /* C11 */
-#    include <assert.h>
-#    define XXH_STATIC_ASSERT_WITH_MESSAGE(c,m) do { static_assert((c),m); } while(0)
-#  elif defined(__cplusplus) && (__cplusplus >= 201103L)            /* C++11 */
-#    define XXH_STATIC_ASSERT_WITH_MESSAGE(c,m) do { static_assert((c),m); } while(0)
-#  else
-#    define XXH_STATIC_ASSERT_WITH_MESSAGE(c,m) do { struct xxh_sa { char x[(c) ? 1 : -1]; }; } while(0)
-#  endif
-#  define XXH_STATIC_ASSERT(c) XXH_STATIC_ASSERT_WITH_MESSAGE((c),#c)
-#endif
-
-/*!
- * @internal
- * @def XXH_COMPILER_GUARD(var)
- * @brief Used to prevent unwanted optimizations for @p var.
- *
- * It uses an empty GCC inline assembly statement with a register constraint
- * which forces @p var into a general purpose register (eg eax, ebx, ecx
- * on x86) and marks it as modified.
- *
- * This is used in a few places to avoid unwanted autovectorization (e.g.
- * XXH32_round()). All vectorization we want is explicit via intrinsics,
- * and _usually_ isn't wanted elsewhere.
- *
- * We also use it to prevent unwanted constant folding for AArch64 in
- * XXH3_initCustomSecret_scalar().
- */
-#if defined(__GNUC__) || defined(__clang__)
-#  define XXH_COMPILER_GUARD(var) __asm__ __volatile__("" : "+r" (var))
-#else
-#  define XXH_COMPILER_GUARD(var) ((void)0)
-#endif
-
-/* *************************************
-*  Basic Types
-***************************************/
-#if !defined (__VMS) \
- && (defined (__cplusplus) \
- || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
-# include <stdint.h>
-  typedef uint8_t xxh_u8;
-#else
-  typedef unsigned char xxh_u8;
-#endif
-typedef XXH32_hash_t xxh_u32;
-
-#ifdef XXH_OLD_NAMES
-#  define BYTE xxh_u8
-#  define U8   xxh_u8
-#  define U32  xxh_u32
-#endif
-
-/* ***   Memory access   *** */
-
-/*!
- * @internal
- * @fn xxh_u32 XXH_read32(const void* ptr)
- * @brief Reads an unaligned 32-bit integer from @p ptr in native endianness.
- *
- * Affected by @ref XXH_FORCE_MEMORY_ACCESS.
- *
- * @param ptr The pointer to read from.
- * @return The 32-bit native endian integer from the bytes at @p ptr.
- */
-
-/*!
- * @internal
- * @fn xxh_u32 XXH_readLE32(const void* ptr)
- * @brief Reads an unaligned 32-bit little endian integer from @p ptr.
- *
- * Affected by @ref XXH_FORCE_MEMORY_ACCESS.
- *
- * @param ptr The pointer to read from.
- * @return The 32-bit little endian integer from the bytes at @p ptr.
- */
-
-/*!
- * @internal
- * @fn xxh_u32 XXH_readBE32(const void* ptr)
- * @brief Reads an unaligned 32-bit big endian integer from @p ptr.
- *
- * Affected by @ref XXH_FORCE_MEMORY_ACCESS.
- *
- * @param ptr The pointer to read from.
- * @return The 32-bit big endian integer from the bytes at @p ptr.
- */
-
-/*!
- * @internal
- * @fn xxh_u32 XXH_readLE32_align(const void* ptr, XXH_alignment align)
- * @brief Like @ref XXH_readLE32(), but has an option for aligned reads.
- *
- * Affected by @ref XXH_FORCE_MEMORY_ACCESS.
- * Note that when @ref XXH_FORCE_ALIGN_CHECK == 0, the @p align parameter is
- * always @ref XXH_alignment::XXH_unaligned.
- *
- * @param ptr The pointer to read from.
- * @param align Whether @p ptr is aligned.
- * @pre
- *   If @p align == @ref XXH_alignment::XXH_aligned, @p ptr must be 4 byte
- *   aligned.
- * @return The 32-bit little endian integer from the bytes at @p ptr.
- */
-
-#if (defined(XXH_FORCE_MEMORY_ACCESS) && (XXH_FORCE_MEMORY_ACCESS==3))
-/*
- * Manual byteshift. Best for old compilers which don't inline memcpy.
- * We actually directly use XXH_readLE32 and XXH_readBE32.
- */
-#elif (defined(XXH_FORCE_MEMORY_ACCESS) && (XXH_FORCE_MEMORY_ACCESS==2))
-
-/*
- * Force direct memory access. Only works on CPU which support unaligned memory
- * access in hardware.
- */
-static xxh_u32 XXH_read32(const void* memPtr) { return *(const xxh_u32*) memPtr; }
-
-#elif (defined(XXH_FORCE_MEMORY_ACCESS) && (XXH_FORCE_MEMORY_ACCESS==1))
-
-/*
- * __pack instructions are safer but compiler specific, hence potentially
- * problematic for some compilers.
- *
- * Currently only defined for GCC and ICC.
- */
-#ifdef XXH_OLD_NAMES
-typedef union { xxh_u32 u32; } __attribute__((packed)) unalign;
-#endif
-static xxh_u32 XXH_read32(const void* ptr)
-{
-    typedef union { xxh_u32 u32; } __attribute__((packed)) xxh_unalign;
-    return ((const xxh_unalign*)ptr)->u32;
-}
-
-#else
-
-/*
- * Portable and safe solution. Generally efficient.
- * see: http://fastcompression.blogspot.com/2015/08/accessing-unaligned-memory.html
- */
-static xxh_u32 XXH_read32(const void* memPtr)
-{
-    xxh_u32 val;
-    XXH_memcpy(&val, memPtr, sizeof(val));
-    return val;
-}
-
-#endif   /* XXH_FORCE_DIRECT_MEMORY_ACCESS */
-
-
-/* ***   Endianness   *** */
-
-/*!
- * @ingroup tuning
- * @def XXH_CPU_LITTLE_ENDIAN
- * @brief Whether the target is little endian.
- *
- * Defined to 1 if the target is little endian, or 0 if it is big endian.
- * It can be defined externally, for example on the compiler command line.
- *
- * If it is not defined,
- * a runtime check (which is usually constant folded) is used instead.
- *
- * @note
- *   This is not necessarily defined to an integer constant.
- *
- * @see XXH_isLittleEndian() for the runtime check.
- */
-#ifndef XXH_CPU_LITTLE_ENDIAN
-/*
- * Try to detect endianness automatically, to avoid the nonstandard behavior
- * in `XXH_isLittleEndian()`
- */
-#  if defined(_WIN32) /* Windows is always little endian */ \
-     || defined(__LITTLE_ENDIAN__) \
-     || (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
-#    define XXH_CPU_LITTLE_ENDIAN 1
-#  elif defined(__BIG_ENDIAN__) \
-     || (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
-#    define XXH_CPU_LITTLE_ENDIAN 0
-#  else
-/*!
- * @internal
- * @brief Runtime check for @ref XXH_CPU_LITTLE_ENDIAN.
- *
- * Most compilers will constant fold this.
- */
-static int XXH_isLittleEndian(void)
-{
-    /*
-     * Portable and well-defined behavior.
-     * Don't use static: it is detrimental to performance.
-     */
-    const union { xxh_u32 u; xxh_u8 c[4]; } one = { 1 };
-    return one.c[0];
-}
-#   define XXH_CPU_LITTLE_ENDIAN   XXH_isLittleEndian()
-#  endif
-#endif
-
-
-
-
-/* ****************************************
-*  Compiler-specific Functions and Macros
-******************************************/
-#define XXH_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
-
-#ifdef __has_builtin
-#  define XXH_HAS_BUILTIN(x) __has_builtin(x)
-#else
-#  define XXH_HAS_BUILTIN(x) 0
-#endif
-
-/*!
- * @internal
- * @def XXH_rotl32(x,r)
- * @brief 32-bit rotate left.
- *
- * @param x The 32-bit integer to be rotated.
- * @param r The number of bits to rotate.
- * @pre
- *   @p r > 0 && @p r < 32
- * @note
- *   @p x and @p r may be evaluated multiple times.
- * @return The rotated result.
- */
-#if !defined(NO_CLANG_BUILTIN) && XXH_HAS_BUILTIN(__builtin_rotateleft32) \
-                               && XXH_HAS_BUILTIN(__builtin_rotateleft64)
-#  define XXH_rotl32 __builtin_rotateleft32
-#  define XXH_rotl64 __builtin_rotateleft64
-/* Note: although _rotl exists for minGW (GCC under windows), performance seems poor */
-#elif defined(_MSC_VER)
-#  define XXH_rotl32(x,r) _rotl(x,r)
-#  define XXH_rotl64(x,r) _rotl64(x,r)
-#else
-#  define XXH_rotl32(x,r) (((x) << (r)) | ((x) >> (32 - (r))))
-#  define XXH_rotl64(x,r) (((x) << (r)) | ((x) >> (64 - (r))))
-#endif
-
-/*!
- * @internal
- * @fn xxh_u32 XXH_swap32(xxh_u32 x)
- * @brief A 32-bit byteswap.
- *
- * @param x The 32-bit integer to byteswap.
- * @return @p x, byteswapped.
- */
-#if defined(_MSC_VER)     /* Visual Studio */
-#  define XXH_swap32 _byteswap_ulong
-#elif XXH_GCC_VERSION >= 403
-#  define XXH_swap32 __builtin_bswap32
-#else
-static xxh_u32 XXH_swap32 (xxh_u32 x)
-{
-    return  ((x << 24) & 0xff000000 ) |
-            ((x <<  8) & 0x00ff0000 ) |
-            ((x >>  8) & 0x0000ff00 ) |
-            ((x >> 24) & 0x000000ff );
-}
-#endif
-
-
-/* ***************************
-*  Memory reads
-*****************************/
-
-/*!
- * @internal
- * @brief Enum to indicate whether a pointer is aligned.
- */
-typedef enum {
-    XXH_aligned,  /*!< Aligned */
-    XXH_unaligned /*!< Possibly unaligned */
-} XXH_alignment;
-
-/*
- * XXH_FORCE_MEMORY_ACCESS==3 is an endian-independent byteshift load.
- *
- * This is ideal for older compilers which don't inline memcpy.
- */
-#if (defined(XXH_FORCE_MEMORY_ACCESS) && (XXH_FORCE_MEMORY_ACCESS==3))
-
-XXH_FORCE_INLINE xxh_u32 XXH_readLE32(const void* memPtr)
-{
-    const xxh_u8* bytePtr = (const xxh_u8 *)memPtr;
-    return bytePtr[0]
-         | ((xxh_u32)bytePtr[1] << 8)
-         | ((xxh_u32)bytePtr[2] << 16)
-         | ((xxh_u32)bytePtr[3] << 24);
-}
-
-XXH_FORCE_INLINE xxh_u32 XXH_readBE32(const void* memPtr)
-{
-    const xxh_u8* bytePtr = (const xxh_u8 *)memPtr;
-    return bytePtr[3]
-         | ((xxh_u32)bytePtr[2] << 8)
-         | ((xxh_u32)bytePtr[1] << 16)
-         | ((xxh_u32)bytePtr[0] << 24);
-}
-
-#else
-XXH_FORCE_INLINE xxh_u32 XXH_readLE32(const void* ptr)
-{
-    return XXH_CPU_LITTLE_ENDIAN ? XXH_read32(ptr) : XXH_swap32(XXH_read32(ptr));
-}
-
-static xxh_u32 XXH_readBE32(const void* ptr)
-{
-    return XXH_CPU_LITTLE_ENDIAN ? XXH_swap32(XXH_read32(ptr)) : XXH_read32(ptr);
-}
-#endif
-
-XXH_FORCE_INLINE xxh_u32
-XXH_readLE32_align(const void* ptr, XXH_alignment align)
-{
-    if (align==XXH_unaligned) {
-        return XXH_readLE32(ptr);
-    } else {
-        return XXH_CPU_LITTLE_ENDIAN ? *(const xxh_u32*)ptr : XXH_swap32(*(const xxh_u32*)ptr);
-    }
-}
-
-
-/* *************************************
-*  Misc
-***************************************/
-/*! @ingroup public */
-XXH_PUBLIC_API unsigned XXH_versionNumber (void) { return XXH_VERSION_NUMBER; }
-
-
-/* *******************************************************************
-*  32-bit hash functions
-*********************************************************************/
-/*!
- * @}
- * @defgroup xxh32_impl XXH32 implementation
- * @ingroup impl
- * @{
- */
- /* #define instead of static const, to be used as initializers */
-#define XXH_PRIME32_1  0x9E3779B1U  /*!< 0b10011110001101110111100110110001 */
-#define XXH_PRIME32_2  0x85EBCA77U  /*!< 0b10000101111010111100101001110111 */
-#define XXH_PRIME32_3  0xC2B2AE3DU  /*!< 0b11000010101100101010111000111101 */
-#define XXH_PRIME32_4  0x27D4EB2FU  /*!< 0b00100111110101001110101100101111 */
-#define XXH_PRIME32_5  0x165667B1U  /*!< 0b00010110010101100110011110110001 */
-
-#ifdef XXH_OLD_NAMES
-#  define PRIME32_1 XXH_PRIME32_1
-#  define PRIME32_2 XXH_PRIME32_2
-#  define PRIME32_3 XXH_PRIME32_3
-#  define PRIME32_4 XXH_PRIME32_4
-#  define PRIME32_5 XXH_PRIME32_5
-#endif
-
-/*!
- * @internal
- * @brief Normal stripe processing routine.
- *
- * This shuffles the bits so that any bit from @p input impacts several bits in
- * @p acc.
- *
- * @param acc The accumulator lane.
- * @param input The stripe of input to mix.
- * @return The mixed accumulator lane.
- */
-static xxh_u32 XXH32_round(xxh_u32 acc, xxh_u32 input)
-{
-    acc += input * XXH_PRIME32_2;
-    acc  = XXH_rotl32(acc, 13);
-    acc *= XXH_PRIME32_1;
-#if (defined(__SSE4_1__) || defined(__aarch64__)) && !defined(XXH_ENABLE_AUTOVECTORIZE)
-    /*
-     * UGLY HACK:
-     * A compiler fence is the only thing that prevents GCC and Clang from
-     * autovectorizing the XXH32 loop (pragmas and attributes don't work for some
-     * reason) without globally disabling SSE4.1.
-     *
-     * The reason we want to avoid vectorization is because despite working on
-     * 4 integers at a time, there are multiple factors slowing XXH32 down on
-     * SSE4:
-     * - There's a ridiculous amount of lag from pmulld (10 cycles of latency on
-     *   newer chips!) making it slightly slower to multiply four integers at
-     *   once compared to four integers independently. Even when pmulld was
-     *   fastest, Sandy/Ivy Bridge, it is still not worth it to go into SSE
-     *   just to multiply unless doing a long operation.
-     *
-     * - Four instructions are required to rotate,
-     *      movqda tmp,  v // not required with VEX encoding
-     *      pslld  tmp, 13 // tmp <<= 13
-     *      psrld  v,   19 // x >>= 19
-     *      por    v,  tmp // x |= tmp
-     *   compared to one for scalar:
-     *      roll   v, 13    // reliably fast across the board
-     *      shldl  v, v, 13 // Sandy Bridge and later prefer this for some reason
-     *
-     * - Instruction level parallelism is actually more beneficial here because
-     *   the SIMD actually serializes this operation: While v1 is rotating, v2
-     *   can load data, while v3 can multiply. SSE forces them to operate
-     *   together.
-     *
-     * This is also enabled on AArch64, as Clang autovectorizes it incorrectly
-     * and it is pointless writing a NEON implementation that is basically the
-     * same speed as scalar for XXH32.
-     */
-    XXH_COMPILER_GUARD(acc);
-#endif
-    return acc;
-}
-
-/*!
- * @internal
- * @brief Mixes all bits to finalize the hash.
- *
- * The final mix ensures that all input bits have a chance to impact any bit in
- * the output digest, resulting in an unbiased distribution.
- *
- * @param h32 The hash to avalanche.
- * @return The avalanched hash.
- */
-static xxh_u32 XXH32_avalanche(xxh_u32 h32)
-{
-    h32 ^= h32 >> 15;
-    h32 *= XXH_PRIME32_2;
-    h32 ^= h32 >> 13;
-    h32 *= XXH_PRIME32_3;
-    h32 ^= h32 >> 16;
-    return(h32);
-}
-
-#define XXH_get32bits(p) XXH_readLE32_align(p, align)
-
-/*!
- * @internal
- * @brief Processes the last 0-15 bytes of @p ptr.
- *
- * There may be up to 15 bytes remaining to consume from the input.
- * This final stage will digest them to ensure that all input bytes are present
- * in the final mix.
- *
- * @param h32 The hash to finalize.
- * @param ptr The pointer to the remaining input.
- * @param len The remaining length, modulo 16.
- * @param align Whether @p ptr is aligned.
- * @return The finalized hash.
- */
-static xxh_u32
-XXH32_finalize(xxh_u32 h32, const xxh_u8* ptr, size_t len, XXH_alignment align)
-{
-#define XXH_PROCESS1 do {                           \
-    h32 += (*ptr++) * XXH_PRIME32_5;                \
-    h32 = XXH_rotl32(h32, 11) * XXH_PRIME32_1;      \
-} while (0)
-
-#define XXH_PROCESS4 do {                           \
-    h32 += XXH_get32bits(ptr) * XXH_PRIME32_3;      \
-    ptr += 4;                                   \
-    h32  = XXH_rotl32(h32, 17) * XXH_PRIME32_4;     \
-} while (0)
-
-    if (ptr==NULL) XXH_ASSERT(len == 0);
-
-    /* Compact rerolled version; generally faster */
-    if (!XXH32_ENDJMP) {
-        len &= 15;
-        while (len >= 4) {
-            XXH_PROCESS4;
-            len -= 4;
-        }
-        while (len > 0) {
-            XXH_PROCESS1;
-            --len;
-        }
-        return XXH32_avalanche(h32);
-    } else {
-         switch(len&15) /* or switch(bEnd - p) */ {
-           case 12:      XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 8:       XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 4:       XXH_PROCESS4;
-                         return XXH32_avalanche(h32);
-
-           case 13:      XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 9:       XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 5:       XXH_PROCESS4;
-                         XXH_PROCESS1;
-                         return XXH32_avalanche(h32);
-
-           case 14:      XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 10:      XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 6:       XXH_PROCESS4;
-                         XXH_PROCESS1;
-                         XXH_PROCESS1;
-                         return XXH32_avalanche(h32);
-
-           case 15:      XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 11:      XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 7:       XXH_PROCESS4;
-                         XXH_FALLTHROUGH;
-           case 3:       XXH_PROCESS1;
-                         XXH_FALLTHROUGH;
-           case 2:       XXH_PROCESS1;
-                         XXH_FALLTHROUGH;
-           case 1:       XXH_PROCESS1;
-                         XXH_FALLTHROUGH;
-           case 0:       return XXH32_avalanche(h32);
-        }
-        XXH_ASSERT(0);
-        return h32;   /* reaching this point is deemed impossible */
-    }
-}
-
-#ifdef XXH_OLD_NAMES
-#  define PROCESS1 XXH_PROCESS1
-#  define PROCESS4 XXH_PROCESS4
-#else
-#  undef XXH_PROCESS1
-#  undef XXH_PROCESS4
-#endif
-
-/*!
- * @internal
- * @brief The implementation for @ref XXH32().
- *
- * @param input , len , seed Directly passed from @ref XXH32().
- * @param align Whether @p input is aligned.
- * @return The calculated hash.
- */
-XXH_FORCE_INLINE xxh_u32
-XXH32_endian_align(const xxh_u8* input, size_t len, xxh_u32 seed, XXH_alignment align)
-{
-    xxh_u32 h32;
-
-    if (input==NULL) XXH_ASSERT(len == 0);
-
-    if (len>=16) {
-        const xxh_u8* const bEnd = input + len;
-        const xxh_u8* const limit = bEnd - 15;
-        xxh_u32 v1 = seed + XXH_PRIME32_1 + XXH_PRIME32_2;
-        xxh_u32 v2 = seed + XXH_PRIME32_2;
-        xxh_u32 v3 = seed + 0;
-        xxh_u32 v4 = seed - XXH_PRIME32_1;
-
-        do {
-            v1 = XXH32_round(v1, XXH_get32bits(input)); input += 4;
-            v2 = XXH32_round(v2, XXH_get32bits(input)); input += 4;
-            v3 = XXH32_round(v3, XXH_get32bits(input)); input += 4;
-            v4 = XXH32_round(v4, XXH_get32bits(input)); input += 4;
-        } while (input < limit);
-
-        h32 = XXH_rotl32(v1, 1)  + XXH_rotl32(v2, 7)
-            + XXH_rotl32(v3, 12) + XXH_rotl32(v4, 18);
-    } else {
-        h32  = seed + XXH_PRIME32_5;
-    }
-
-    h32 += (xxh_u32)len;
-
-    return XXH32_finalize(h32, input, len&15, align);
-}
-
-/*! @ingroup xxh32_family */
-XXH_PUBLIC_API XXH32_hash_t XXH32 (const void* input, size_t len, XXH32_hash_t seed)
-{
-#if 0
-    /* Simple version, good for code maintenance, but unfortunately slow for small inputs */
-    XXH32_state_t state;
-    XXH32_reset(&state, seed);
-    XXH32_update(&state, (const xxh_u8*)input, len);
-    return XXH32_digest(&state);
-#else
-    if (XXH_FORCE_ALIGN_CHECK) {
-        if ((((size_t)input) & 3) == 0) {   /* Input is 4-bytes aligned, leverage the speed benefit */
-            return XXH32_endian_align((const xxh_u8*)input, len, seed, XXH_aligned);
-    }   }
-
-    return XXH32_endian_align((const xxh_u8*)input, len, seed, XXH_unaligned);
-#endif
-}
-
-
-
-/*******   Hash streaming   *******/
-/*!
- * @ingroup xxh32_family
- */
-XXH_PUBLIC_API XXH32_state_t* XXH32_createState(void)
-{
-    return (XXH32_state_t*)XXH_malloc(sizeof(XXH32_state_t));
-}
-/*! @ingroup xxh32_family */
-XXH_PUBLIC_API XXH_errorcode XXH32_freeState(XXH32_state_t* statePtr)
-{
-    XXH_free(statePtr);
-    return XXH_OK;
-}
-
-/*! @ingroup xxh32_family */
-XXH_PUBLIC_API void XXH32_copyState(XXH32_state_t* dstState, const XXH32_state_t* srcState)
-{
-    XXH_memcpy(dstState, srcState, sizeof(*dstState));
-}
-
-/*! @ingroup xxh32_family */
-XXH_PUBLIC_API XXH_errorcode XXH32_reset(XXH32_state_t* statePtr, XXH32_hash_t seed)
-{
-    XXH32_state_t state;   /* using a local state to memcpy() in order to avoid strict-aliasing warnings */
-    memset(&state, 0, sizeof(state));
-    state.v[0] = seed + XXH_PRIME32_1 + XXH_PRIME32_2;
-    state.v[1] = seed + XXH_PRIME32_2;
-    state.v[2] = seed + 0;
-    state.v[3] = seed - XXH_PRIME32_1;
-    /* do not write into reserved, planned to be removed in a future version */
-    XXH_memcpy(statePtr, &state, sizeof(state) - sizeof(state.reserved));
-    return XXH_OK;
-}
-
-
-/*! @ingroup xxh32_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH32_update(XXH32_state_t* state, const void* input, size_t len)
-{
-    if (input==NULL) {
-        XXH_ASSERT(len == 0);
-        return XXH_OK;
-    }
-
-    {   const xxh_u8* p = (const xxh_u8*)input;
-        const xxh_u8* const bEnd = p + len;
-
-        state->total_len_32 += (XXH32_hash_t)len;
-        state->large_len |= (XXH32_hash_t)((len>=16) | (state->total_len_32>=16));
-
-        if (state->memsize + len < 16)  {   /* fill in tmp buffer */
-            XXH_memcpy((xxh_u8*)(state->mem32) + state->memsize, input, len);
-            state->memsize += (XXH32_hash_t)len;
-            return XXH_OK;
-        }
-
-        if (state->memsize) {   /* some data left from previous update */
-            XXH_memcpy((xxh_u8*)(state->mem32) + state->memsize, input, 16-state->memsize);
-            {   const xxh_u32* p32 = state->mem32;
-                state->v[0] = XXH32_round(state->v[0], XXH_readLE32(p32)); p32++;
-                state->v[1] = XXH32_round(state->v[1], XXH_readLE32(p32)); p32++;
-                state->v[2] = XXH32_round(state->v[2], XXH_readLE32(p32)); p32++;
-                state->v[3] = XXH32_round(state->v[3], XXH_readLE32(p32));
-            }
-            p += 16-state->memsize;
-            state->memsize = 0;
-        }
-
-        if (p <= bEnd-16) {
-            const xxh_u8* const limit = bEnd - 16;
-
-            do {
-                state->v[0] = XXH32_round(state->v[0], XXH_readLE32(p)); p+=4;
-                state->v[1] = XXH32_round(state->v[1], XXH_readLE32(p)); p+=4;
-                state->v[2] = XXH32_round(state->v[2], XXH_readLE32(p)); p+=4;
-                state->v[3] = XXH32_round(state->v[3], XXH_readLE32(p)); p+=4;
-            } while (p<=limit);
-
-        }
-
-        if (p < bEnd) {
-            XXH_memcpy(state->mem32, p, (size_t)(bEnd-p));
-            state->memsize = (unsigned)(bEnd-p);
-        }
-    }
-
-    return XXH_OK;
-}
-
-
-/*! @ingroup xxh32_family */
-XXH_PUBLIC_API XXH32_hash_t XXH32_digest(const XXH32_state_t* state)
-{
-    xxh_u32 h32;
-
-    if (state->large_len) {
-        h32 = XXH_rotl32(state->v[0], 1)
-            + XXH_rotl32(state->v[1], 7)
-            + XXH_rotl32(state->v[2], 12)
-            + XXH_rotl32(state->v[3], 18);
-    } else {
-        h32 = state->v[2] /* == seed */ + XXH_PRIME32_5;
-    }
-
-    h32 += state->total_len_32;
-
-    return XXH32_finalize(h32, (const xxh_u8*)state->mem32, state->memsize, XXH_aligned);
-}
-
-
-/*******   Canonical representation   *******/
-
-/*!
- * @ingroup xxh32_family
- * The default return values from XXH functions are unsigned 32 and 64 bit
- * integers.
- *
- * The canonical representation uses big endian convention, the same convention
- * as human-readable numbers (large digits first).
- *
- * This way, hash values can be written into a file or buffer, remaining
- * comparable across different systems.
- *
- * The following functions allow transformation of hash values to and from their
- * canonical format.
- */
-XXH_PUBLIC_API void XXH32_canonicalFromHash(XXH32_canonical_t* dst, XXH32_hash_t hash)
-{
-    XXH_STATIC_ASSERT(sizeof(XXH32_canonical_t) == sizeof(XXH32_hash_t));
-    if (XXH_CPU_LITTLE_ENDIAN) hash = XXH_swap32(hash);
-    XXH_memcpy(dst, &hash, sizeof(*dst));
-}
-/*! @ingroup xxh32_family */
-XXH_PUBLIC_API XXH32_hash_t XXH32_hashFromCanonical(const XXH32_canonical_t* src)
-{
-    return XXH_readBE32(src);
-}
-
-
-#ifndef XXH_NO_LONG_LONG
-
-/* *******************************************************************
-*  64-bit hash functions
-*********************************************************************/
-/*!
- * @}
- * @ingroup impl
- * @{
- */
-/*******   Memory access   *******/
-
-typedef XXH64_hash_t xxh_u64;
-
-#ifdef XXH_OLD_NAMES
-#  define U64 xxh_u64
-#endif
-
-#if (defined(XXH_FORCE_MEMORY_ACCESS) && (XXH_FORCE_MEMORY_ACCESS==3))
-/*
- * Manual byteshift. Best for old compilers which don't inline memcpy.
- * We actually directly use XXH_readLE64 and XXH_readBE64.
- */
-#elif (defined(XXH_FORCE_MEMORY_ACCESS) && (XXH_FORCE_MEMORY_ACCESS==2))
-
-/* Force direct memory access. Only works on CPU which support unaligned memory access in hardware */
-static xxh_u64 XXH_read64(const void* memPtr)
-{
-    return *(const xxh_u64*) memPtr;
-}
-
-#elif (defined(XXH_FORCE_MEMORY_ACCESS) && (XXH_FORCE_MEMORY_ACCESS==1))
-
-/*
- * __pack instructions are safer, but compiler specific, hence potentially
- * problematic for some compilers.
- *
- * Currently only defined for GCC and ICC.
- */
-#ifdef XXH_OLD_NAMES
-typedef union { xxh_u32 u32; xxh_u64 u64; } __attribute__((packed)) unalign64;
-#endif
-static xxh_u64 XXH_read64(const void* ptr)
-{
-    typedef union { xxh_u32 u32; xxh_u64 u64; } __attribute__((packed)) xxh_unalign64;
-    return ((const xxh_unalign64*)ptr)->u64;
-}
-
-#else
-
-/*
- * Portable and safe solution. Generally efficient.
- * see: http://fastcompression.blogspot.com/2015/08/accessing-unaligned-memory.html
- */
-static xxh_u64 XXH_read64(const void* memPtr)
-{
-    xxh_u64 val;
-    XXH_memcpy(&val, memPtr, sizeof(val));
-    return val;
-}
-
-#endif   /* XXH_FORCE_DIRECT_MEMORY_ACCESS */
-
-#if defined(_MSC_VER)     /* Visual Studio */
-#  define XXH_swap64 _byteswap_uint64
-#elif XXH_GCC_VERSION >= 403
-#  define XXH_swap64 __builtin_bswap64
-#else
-static xxh_u64 XXH_swap64(xxh_u64 x)
-{
-    return  ((x << 56) & 0xff00000000000000ULL) |
-            ((x << 40) & 0x00ff000000000000ULL) |
-            ((x << 24) & 0x0000ff0000000000ULL) |
-            ((x << 8)  & 0x000000ff00000000ULL) |
-            ((x >> 8)  & 0x00000000ff000000ULL) |
-            ((x >> 24) & 0x0000000000ff0000ULL) |
-            ((x >> 40) & 0x000000000000ff00ULL) |
-            ((x >> 56) & 0x00000000000000ffULL);
-}
-#endif
-
-
-/* XXH_FORCE_MEMORY_ACCESS==3 is an endian-independent byteshift load. */
-#if (defined(XXH_FORCE_MEMORY_ACCESS) && (XXH_FORCE_MEMORY_ACCESS==3))
-
-XXH_FORCE_INLINE xxh_u64 XXH_readLE64(const void* memPtr)
-{
-    const xxh_u8* bytePtr = (const xxh_u8 *)memPtr;
-    return bytePtr[0]
-         | ((xxh_u64)bytePtr[1] << 8)
-         | ((xxh_u64)bytePtr[2] << 16)
-         | ((xxh_u64)bytePtr[3] << 24)
-         | ((xxh_u64)bytePtr[4] << 32)
-         | ((xxh_u64)bytePtr[5] << 40)
-         | ((xxh_u64)bytePtr[6] << 48)
-         | ((xxh_u64)bytePtr[7] << 56);
-}
-
-XXH_FORCE_INLINE xxh_u64 XXH_readBE64(const void* memPtr)
-{
-    const xxh_u8* bytePtr = (const xxh_u8 *)memPtr;
-    return bytePtr[7]
-         | ((xxh_u64)bytePtr[6] << 8)
-         | ((xxh_u64)bytePtr[5] << 16)
-         | ((xxh_u64)bytePtr[4] << 24)
-         | ((xxh_u64)bytePtr[3] << 32)
-         | ((xxh_u64)bytePtr[2] << 40)
-         | ((xxh_u64)bytePtr[1] << 48)
-         | ((xxh_u64)bytePtr[0] << 56);
-}
-
-#else
-XXH_FORCE_INLINE xxh_u64 XXH_readLE64(const void* ptr)
-{
-    return XXH_CPU_LITTLE_ENDIAN ? XXH_read64(ptr) : XXH_swap64(XXH_read64(ptr));
-}
-
-static xxh_u64 XXH_readBE64(const void* ptr)
-{
-    return XXH_CPU_LITTLE_ENDIAN ? XXH_swap64(XXH_read64(ptr)) : XXH_read64(ptr);
-}
-#endif
-
-XXH_FORCE_INLINE xxh_u64
-XXH_readLE64_align(const void* ptr, XXH_alignment align)
-{
-    if (align==XXH_unaligned)
-        return XXH_readLE64(ptr);
-    else
-        return XXH_CPU_LITTLE_ENDIAN ? *(const xxh_u64*)ptr : XXH_swap64(*(const xxh_u64*)ptr);
-}
-
-
-/*******   xxh64   *******/
-/*!
- * @}
- * @defgroup xxh64_impl XXH64 implementation
- * @ingroup impl
- * @{
- */
-/* #define rather that static const, to be used as initializers */
-#define XXH_PRIME64_1  0x9E3779B185EBCA87ULL  /*!< 0b1001111000110111011110011011000110000101111010111100101010000111 */
-#define XXH_PRIME64_2  0xC2B2AE3D27D4EB4FULL  /*!< 0b1100001010110010101011100011110100100111110101001110101101001111 */
-#define XXH_PRIME64_3  0x165667B19E3779F9ULL  /*!< 0b0001011001010110011001111011000110011110001101110111100111111001 */
-#define XXH_PRIME64_4  0x85EBCA77C2B2AE63ULL  /*!< 0b1000010111101011110010100111011111000010101100101010111001100011 */
-#define XXH_PRIME64_5  0x27D4EB2F165667C5ULL  /*!< 0b0010011111010100111010110010111100010110010101100110011111000101 */
-
-#ifdef XXH_OLD_NAMES
-#  define PRIME64_1 XXH_PRIME64_1
-#  define PRIME64_2 XXH_PRIME64_2
-#  define PRIME64_3 XXH_PRIME64_3
-#  define PRIME64_4 XXH_PRIME64_4
-#  define PRIME64_5 XXH_PRIME64_5
-#endif
-
-static xxh_u64 XXH64_round(xxh_u64 acc, xxh_u64 input)
-{
-    acc += input * XXH_PRIME64_2;
-    acc  = XXH_rotl64(acc, 31);
-    acc *= XXH_PRIME64_1;
-    return acc;
-}
-
-static xxh_u64 XXH64_mergeRound(xxh_u64 acc, xxh_u64 val)
-{
-    val  = XXH64_round(0, val);
-    acc ^= val;
-    acc  = acc * XXH_PRIME64_1 + XXH_PRIME64_4;
-    return acc;
-}
-
-static xxh_u64 XXH64_avalanche(xxh_u64 h64)
-{
-    h64 ^= h64 >> 33;
-    h64 *= XXH_PRIME64_2;
-    h64 ^= h64 >> 29;
-    h64 *= XXH_PRIME64_3;
-    h64 ^= h64 >> 32;
-    return h64;
-}
-
-
-#define XXH_get64bits(p) XXH_readLE64_align(p, align)
-
-static xxh_u64
-XXH64_finalize(xxh_u64 h64, const xxh_u8* ptr, size_t len, XXH_alignment align)
-{
-    if (ptr==NULL) XXH_ASSERT(len == 0);
-    len &= 31;
-    while (len >= 8) {
-        xxh_u64 const k1 = XXH64_round(0, XXH_get64bits(ptr));
-        ptr += 8;
-        h64 ^= k1;
-        h64  = XXH_rotl64(h64,27) * XXH_PRIME64_1 + XXH_PRIME64_4;
-        len -= 8;
-    }
-    if (len >= 4) {
-        h64 ^= (xxh_u64)(XXH_get32bits(ptr)) * XXH_PRIME64_1;
-        ptr += 4;
-        h64 = XXH_rotl64(h64, 23) * XXH_PRIME64_2 + XXH_PRIME64_3;
-        len -= 4;
-    }
-    while (len > 0) {
-        h64 ^= (*ptr++) * XXH_PRIME64_5;
-        h64 = XXH_rotl64(h64, 11) * XXH_PRIME64_1;
-        --len;
-    }
-    return  XXH64_avalanche(h64);
-}
-
-#ifdef XXH_OLD_NAMES
-#  define PROCESS1_64 XXH_PROCESS1_64
-#  define PROCESS4_64 XXH_PROCESS4_64
-#  define PROCESS8_64 XXH_PROCESS8_64
-#else
-#  undef XXH_PROCESS1_64
-#  undef XXH_PROCESS4_64
-#  undef XXH_PROCESS8_64
-#endif
-
-XXH_FORCE_INLINE xxh_u64
-XXH64_endian_align(const xxh_u8* input, size_t len, xxh_u64 seed, XXH_alignment align)
-{
-    xxh_u64 h64;
-    if (input==NULL) XXH_ASSERT(len == 0);
-
-    if (len>=32) {
-        const xxh_u8* const bEnd = input + len;
-        const xxh_u8* const limit = bEnd - 31;
-        xxh_u64 v1 = seed + XXH_PRIME64_1 + XXH_PRIME64_2;
-        xxh_u64 v2 = seed + XXH_PRIME64_2;
-        xxh_u64 v3 = seed + 0;
-        xxh_u64 v4 = seed - XXH_PRIME64_1;
-
-        do {
-            v1 = XXH64_round(v1, XXH_get64bits(input)); input+=8;
-            v2 = XXH64_round(v2, XXH_get64bits(input)); input+=8;
-            v3 = XXH64_round(v3, XXH_get64bits(input)); input+=8;
-            v4 = XXH64_round(v4, XXH_get64bits(input)); input+=8;
-        } while (input<limit);
-
-        h64 = XXH_rotl64(v1, 1) + XXH_rotl64(v2, 7) + XXH_rotl64(v3, 12) + XXH_rotl64(v4, 18);
-        h64 = XXH64_mergeRound(h64, v1);
-        h64 = XXH64_mergeRound(h64, v2);
-        h64 = XXH64_mergeRound(h64, v3);
-        h64 = XXH64_mergeRound(h64, v4);
-
-    } else {
-        h64  = seed + XXH_PRIME64_5;
-    }
-
-    h64 += (xxh_u64) len;
-
-    return XXH64_finalize(h64, input, len, align);
-}
-
-
-/*! @ingroup xxh64_family */
-XXH_PUBLIC_API XXH64_hash_t XXH64 (const void* input, size_t len, XXH64_hash_t seed)
-{
-#if 0
-    /* Simple version, good for code maintenance, but unfortunately slow for small inputs */
-    XXH64_state_t state;
-    XXH64_reset(&state, seed);
-    XXH64_update(&state, (const xxh_u8*)input, len);
-    return XXH64_digest(&state);
-#else
-    if (XXH_FORCE_ALIGN_CHECK) {
-        if ((((size_t)input) & 7)==0) {  /* Input is aligned, let's leverage the speed advantage */
-            return XXH64_endian_align((const xxh_u8*)input, len, seed, XXH_aligned);
-    }   }
-
-    return XXH64_endian_align((const xxh_u8*)input, len, seed, XXH_unaligned);
-
-#endif
-}
-
-/*******   Hash Streaming   *******/
-
-/*! @ingroup xxh64_family*/
-XXH_PUBLIC_API XXH64_state_t* XXH64_createState(void)
-{
-    return (XXH64_state_t*)XXH_malloc(sizeof(XXH64_state_t));
-}
-/*! @ingroup xxh64_family */
-XXH_PUBLIC_API XXH_errorcode XXH64_freeState(XXH64_state_t* statePtr)
-{
-    XXH_free(statePtr);
-    return XXH_OK;
-}
-
-/*! @ingroup xxh64_family */
-XXH_PUBLIC_API void XXH64_copyState(XXH64_state_t* dstState, const XXH64_state_t* srcState)
-{
-    XXH_memcpy(dstState, srcState, sizeof(*dstState));
-}
-
-/*! @ingroup xxh64_family */
-XXH_PUBLIC_API XXH_errorcode XXH64_reset(XXH64_state_t* statePtr, XXH64_hash_t seed)
-{
-    XXH64_state_t state;   /* use a local state to memcpy() in order to avoid strict-aliasing warnings */
-    memset(&state, 0, sizeof(state));
-    state.v[0] = seed + XXH_PRIME64_1 + XXH_PRIME64_2;
-    state.v[1] = seed + XXH_PRIME64_2;
-    state.v[2] = seed + 0;
-    state.v[3] = seed - XXH_PRIME64_1;
-     /* do not write into reserved64, might be removed in a future version */
-    XXH_memcpy(statePtr, &state, sizeof(state) - sizeof(state.reserved64));
-    return XXH_OK;
-}
-
-/*! @ingroup xxh64_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH64_update (XXH64_state_t* state, const void* input, size_t len)
-{
-    if (input==NULL) {
-        XXH_ASSERT(len == 0);
-        return XXH_OK;
-    }
-
-    {   const xxh_u8* p = (const xxh_u8*)input;
-        const xxh_u8* const bEnd = p + len;
-
-        state->total_len += len;
-
-        if (state->memsize + len < 32) {  /* fill in tmp buffer */
-            XXH_memcpy(((xxh_u8*)state->mem64) + state->memsize, input, len);
-            state->memsize += (xxh_u32)len;
-            return XXH_OK;
-        }
-
-        if (state->memsize) {   /* tmp buffer is full */
-            XXH_memcpy(((xxh_u8*)state->mem64) + state->memsize, input, 32-state->memsize);
-            state->v[0] = XXH64_round(state->v[0], XXH_readLE64(state->mem64+0));
-            state->v[1] = XXH64_round(state->v[1], XXH_readLE64(state->mem64+1));
-            state->v[2] = XXH64_round(state->v[2], XXH_readLE64(state->mem64+2));
-            state->v[3] = XXH64_round(state->v[3], XXH_readLE64(state->mem64+3));
-            p += 32 - state->memsize;
-            state->memsize = 0;
-        }
-
-        if (p+32 <= bEnd) {
-            const xxh_u8* const limit = bEnd - 32;
-
-            do {
-                state->v[0] = XXH64_round(state->v[0], XXH_readLE64(p)); p+=8;
-                state->v[1] = XXH64_round(state->v[1], XXH_readLE64(p)); p+=8;
-                state->v[2] = XXH64_round(state->v[2], XXH_readLE64(p)); p+=8;
-                state->v[3] = XXH64_round(state->v[3], XXH_readLE64(p)); p+=8;
-            } while (p<=limit);
-
-        }
-
-        if (p < bEnd) {
-            XXH_memcpy(state->mem64, p, (size_t)(bEnd-p));
-            state->memsize = (unsigned)(bEnd-p);
-        }
-    }
-
-    return XXH_OK;
-}
-
-
-/*! @ingroup xxh64_family */
-XXH_PUBLIC_API XXH64_hash_t XXH64_digest(const XXH64_state_t* state)
-{
-    xxh_u64 h64;
-
-    if (state->total_len >= 32) {
-        h64 = XXH_rotl64(state->v[0], 1) + XXH_rotl64(state->v[1], 7) + XXH_rotl64(state->v[2], 12) + XXH_rotl64(state->v[3], 18);
-        h64 = XXH64_mergeRound(h64, state->v[0]);
-        h64 = XXH64_mergeRound(h64, state->v[1]);
-        h64 = XXH64_mergeRound(h64, state->v[2]);
-        h64 = XXH64_mergeRound(h64, state->v[3]);
-    } else {
-        h64  = state->v[2] /*seed*/ + XXH_PRIME64_5;
-    }
-
-    h64 += (xxh_u64) state->total_len;
-
-    return XXH64_finalize(h64, (const xxh_u8*)state->mem64, (size_t)state->total_len, XXH_aligned);
-}
-
-
-/******* Canonical representation   *******/
-
-/*! @ingroup xxh64_family */
-XXH_PUBLIC_API void XXH64_canonicalFromHash(XXH64_canonical_t* dst, XXH64_hash_t hash)
-{
-    XXH_STATIC_ASSERT(sizeof(XXH64_canonical_t) == sizeof(XXH64_hash_t));
-    if (XXH_CPU_LITTLE_ENDIAN) hash = XXH_swap64(hash);
-    XXH_memcpy(dst, &hash, sizeof(*dst));
-}
-
-/*! @ingroup xxh64_family */
-XXH_PUBLIC_API XXH64_hash_t XXH64_hashFromCanonical(const XXH64_canonical_t* src)
-{
-    return XXH_readBE64(src);
-}
-
-#ifndef XXH_NO_XXH3
-
-/* *********************************************************************
-*  XXH3
-*  New generation hash designed for speed on small keys and vectorization
-************************************************************************ */
-/*!
- * @}
- * @defgroup xxh3_impl XXH3 implementation
- * @ingroup impl
- * @{
- */
-
-/* ===   Compiler specifics   === */
-
-#if ((defined(sun) || defined(__sun)) && __cplusplus) /* Solaris includes __STDC_VERSION__ with C++. Tested with GCC 5.5 */
-#  define XXH_RESTRICT /* disable */
-#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L   /* >= C99 */
-#  define XXH_RESTRICT   restrict
-#else
-/* Note: it might be useful to define __restrict or __restrict__ for some C++ compilers */
-#  define XXH_RESTRICT   /* disable */
-#endif
-
-#if (defined(__GNUC__) && (__GNUC__ >= 3))  \
-  || (defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 800)) \
-  || defined(__clang__)
-#    define XXH_likely(x) __builtin_expect(x, 1)
-#    define XXH_unlikely(x) __builtin_expect(x, 0)
-#else
-#    define XXH_likely(x) (x)
-#    define XXH_unlikely(x) (x)
-#endif
-
-#if defined(__GNUC__)
-#  if defined(__AVX2__)
-#    include <immintrin.h>
-#  elif defined(__SSE2__)
-#    include <emmintrin.h>
-#  elif defined(__ARM_NEON__) || defined(__ARM_NEON)
-#    define inline __inline__  /* circumvent a clang bug */
-#    include <arm_neon.h>
-#    undef inline
-#  endif
-#elif defined(_MSC_VER)
-#  include <intrin.h>
-#endif
-
-/*
- * One goal of XXH3 is to make it fast on both 32-bit and 64-bit, while
- * remaining a true 64-bit/128-bit hash function.
- *
- * This is done by prioritizing a subset of 64-bit operations that can be
- * emulated without too many steps on the average 32-bit machine.
- *
- * For example, these two lines seem similar, and run equally fast on 64-bit:
- *
- *   xxh_u64 x;
- *   x ^= (x >> 47); // good
- *   x ^= (x >> 13); // bad
- *
- * However, to a 32-bit machine, there is a major difference.
- *
- * x ^= (x >> 47) looks like this:
- *
- *   x.lo ^= (x.hi >> (47 - 32));
- *
- * while x ^= (x >> 13) looks like this:
- *
- *   // note: funnel shifts are not usually cheap.
- *   x.lo ^= (x.lo >> 13) | (x.hi << (32 - 13));
- *   x.hi ^= (x.hi >> 13);
- *
- * The first one is significantly faster than the second, simply because the
- * shift is larger than 32. This means:
- *  - All the bits we need are in the upper 32 bits, so we can ignore the lower
- *    32 bits in the shift.
- *  - The shift result will always fit in the lower 32 bits, and therefore,
- *    we can ignore the upper 32 bits in the xor.
- *
- * Thanks to this optimization, XXH3 only requires these features to be efficient:
- *
- *  - Usable unaligned access
- *  - A 32-bit or 64-bit ALU
- *      - If 32-bit, a decent ADC instruction
- *  - A 32 or 64-bit multiply with a 64-bit result
- *  - For the 128-bit variant, a decent byteswap helps short inputs.
- *
- * The first two are already required by XXH32, and almost all 32-bit and 64-bit
- * platforms which can run XXH32 can run XXH3 efficiently.
- *
- * Thumb-1, the classic 16-bit only subset of ARM's instruction set, is one
- * notable exception.
- *
- * First of all, Thumb-1 lacks support for the UMULL instruction which
- * performs the important long multiply. This means numerous __aeabi_lmul
- * calls.
- *
- * Second of all, the 8 functional registers are just not enough.
- * Setup for __aeabi_lmul, byteshift loads, pointers, and all arithmetic need
- * Lo registers, and this shuffling results in thousands more MOVs than A32.
- *
- * A32 and T32 don't have this limitation. They can access all 14 registers,
- * do a 32->64 multiply with UMULL, and the flexible operand allowing free
- * shifts is helpful, too.
- *
- * Therefore, we do a quick sanity check.
- *
- * If compiling Thumb-1 for a target which supports ARM instructions, we will
- * emit a warning, as it is not a "sane" platform to compile for.
- *
- * Usually, if this happens, it is because of an accident and you probably need
- * to specify -march, as you likely meant to compile for a newer architecture.
- *
- * Credit: large sections of the vectorial and asm source code paths
- *         have been contributed by @easyaspi314
- */
-#if defined(__thumb__) && !defined(__thumb2__) && defined(__ARM_ARCH_ISA_ARM)
-#   warning "XXH3 is highly inefficient without ARM or Thumb-2."
-#endif
-
-/* ==========================================
- * Vectorization detection
- * ========================================== */
-
-#ifdef XXH_DOXYGEN
-/*!
- * @ingroup tuning
- * @brief Overrides the vectorization implementation chosen for XXH3.
- *
- * Can be defined to 0 to disable SIMD or any of the values mentioned in
- * @ref XXH_VECTOR_TYPE.
- *
- * If this is not defined, it uses predefined macros to determine the best
- * implementation.
- */
-#  define XXH_VECTOR XXH_SCALAR
-/*!
- * @ingroup tuning
- * @brief Possible values for @ref XXH_VECTOR.
- *
- * Note that these are actually implemented as macros.
- *
- * If this is not defined, it is detected automatically.
- * @ref XXH_X86DISPATCH overrides this.
- */
-enum XXH_VECTOR_TYPE /* fake enum */ {
-    XXH_SCALAR = 0,  /*!< Portable scalar version */
-    XXH_SSE2   = 1,  /*!<
-                      * SSE2 for Pentium 4, Opteron, all x86_64.
-                      *
-                      * @note SSE2 is also guaranteed on Windows 10, macOS, and
-                      * Android x86.
-                      */
-    XXH_AVX2   = 2,  /*!< AVX2 for Haswell and Bulldozer */
-    XXH_AVX512 = 3,  /*!< AVX512 for Skylake and Icelake */
-    XXH_NEON   = 4,  /*!< NEON for most ARMv7-A and all AArch64 */
-    XXH_VSX    = 5,  /*!< VSX and ZVector for POWER8/z13 (64-bit) */
-};
-/*!
- * @ingroup tuning
- * @brief Selects the minimum alignment for XXH3's accumulators.
- *
- * When using SIMD, this should match the alignment reqired for said vector
- * type, so, for example, 32 for AVX2.
- *
- * Default: Auto detected.
- */
-#  define XXH_ACC_ALIGN 8
-#endif
-
-/* Actual definition */
-#ifndef XXH_DOXYGEN
-#  define XXH_SCALAR 0
-#  define XXH_SSE2   1
-#  define XXH_AVX2   2
-#  define XXH_AVX512 3
-#  define XXH_NEON   4
-#  define XXH_VSX    5
-#endif
-
-#ifndef XXH_VECTOR    /* can be defined on command line */
-#  if defined(__AVX512F__)
-#    define XXH_VECTOR XXH_AVX512
-#  elif defined(__AVX2__)
-#    define XXH_VECTOR XXH_AVX2
-#  elif defined(__SSE2__) || defined(_M_AMD64) || defined(_M_X64) || (defined(_M_IX86_FP) && (_M_IX86_FP == 2))
-#    define XXH_VECTOR XXH_SSE2
-#  elif ( \
-        defined(__ARM_NEON__) || defined(__ARM_NEON) /* gcc */ \
-     || defined(_M_ARM64) || defined(_M_ARM_ARMV7VE) /* msvc */ \
-   ) && ( \
-        defined(_WIN32) || defined(__LITTLE_ENDIAN__) /* little endian only */ \
-    || (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
-   )
-#    define XXH_VECTOR XXH_NEON
-#  elif (defined(__PPC64__) && defined(__POWER8_VECTOR__)) \
-     || (defined(__s390x__) && defined(__VEC__)) \
-     && defined(__GNUC__) /* TODO: IBM XL */
-#    define XXH_VECTOR XXH_VSX
-#  else
-#    define XXH_VECTOR XXH_SCALAR
-#  endif
-#endif
-
-/*
- * Controls the alignment of the accumulator,
- * for compatibility with aligned vector loads, which are usually faster.
- */
-#ifndef XXH_ACC_ALIGN
-#  if defined(XXH_X86DISPATCH)
-#     define XXH_ACC_ALIGN 64  /* for compatibility with avx512 */
-#  elif XXH_VECTOR == XXH_SCALAR  /* scalar */
-#     define XXH_ACC_ALIGN 8
-#  elif XXH_VECTOR == XXH_SSE2  /* sse2 */
-#     define XXH_ACC_ALIGN 16
-#  elif XXH_VECTOR == XXH_AVX2  /* avx2 */
-#     define XXH_ACC_ALIGN 32
-#  elif XXH_VECTOR == XXH_NEON  /* neon */
-#     define XXH_ACC_ALIGN 16
-#  elif XXH_VECTOR == XXH_VSX   /* vsx */
-#     define XXH_ACC_ALIGN 16
-#  elif XXH_VECTOR == XXH_AVX512  /* avx512 */
-#     define XXH_ACC_ALIGN 64
-#  endif
-#endif
-
-#if defined(XXH_X86DISPATCH) || XXH_VECTOR == XXH_SSE2 \
-    || XXH_VECTOR == XXH_AVX2 || XXH_VECTOR == XXH_AVX512
-#  define XXH_SEC_ALIGN XXH_ACC_ALIGN
-#else
-#  define XXH_SEC_ALIGN 8
-#endif
-
-/*
- * UGLY HACK:
- * GCC usually generates the best code with -O3 for xxHash.
- *
- * However, when targeting AVX2, it is overzealous in its unrolling resulting
- * in code roughly 3/4 the speed of Clang.
- *
- * There are other issues, such as GCC splitting _mm256_loadu_si256 into
- * _mm_loadu_si128 + _mm256_inserti128_si256. This is an optimization which
- * only applies to Sandy and Ivy Bridge... which don't even support AVX2.
- *
- * That is why when compiling the AVX2 version, it is recommended to use either
- *   -O2 -mavx2 -march=haswell
- * or
- *   -O2 -mavx2 -mno-avx256-split-unaligned-load
- * for decent performance, or to use Clang instead.
- *
- * Fortunately, we can control the first one with a pragma that forces GCC into
- * -O2, but the other one we can't control without "failed to inline always
- * inline function due to target mismatch" warnings.
- */
-#if XXH_VECTOR == XXH_AVX2 /* AVX2 */ \
-  && defined(__GNUC__) && !defined(__clang__) /* GCC, not Clang */ \
-  && defined(__OPTIMIZE__) && !defined(__OPTIMIZE_SIZE__) /* respect -O0 and -Os */
-#  pragma GCC push_options
-#  pragma GCC optimize("-O2")
-#endif
-
-
-#if XXH_VECTOR == XXH_NEON
-/*
- * NEON's setup for vmlal_u32 is a little more complicated than it is on
- * SSE2, AVX2, and VSX.
- *
- * While PMULUDQ and VMULEUW both perform a mask, VMLAL.U32 performs an upcast.
- *
- * To do the same operation, the 128-bit 'Q' register needs to be split into
- * two 64-bit 'D' registers, performing this operation::
- *
- *   [                a                 |                 b                ]
- *            |              '---------. .--------'                |
- *            |                         x                          |
- *            |              .---------' '--------.                |
- *   [ a & 0xFFFFFFFF | b & 0xFFFFFFFF ],[    a >> 32     |     b >> 32    ]
- *
- * Due to significant changes in aarch64, the fastest method for aarch64 is
- * completely different than the fastest method for ARMv7-A.
- *
- * ARMv7-A treats D registers as unions overlaying Q registers, so modifying
- * D11 will modify the high half of Q5. This is similar to how modifying AH
- * will only affect bits 8-15 of AX on x86.
- *
- * VZIP takes two registers, and puts even lanes in one register and odd lanes
- * in the other.
- *
- * On ARMv7-A, this strangely modifies both parameters in place instead of
- * taking the usual 3-operand form.
- *
- * Therefore, if we want to do this, we can simply use a D-form VZIP.32 on the
- * lower and upper halves of the Q register to end up with the high and low
- * halves where we want - all in one instruction.
- *
- *   vzip.32   d10, d11       @ d10 = { d10[0], d11[0] }; d11 = { d10[1], d11[1] }
- *
- * Unfortunately we need inline assembly for this: Instructions modifying two
- * registers at once is not possible in GCC or Clang's IR, and they have to
- * create a copy.
- *
- * aarch64 requires a different approach.
- *
- * In order to make it easier to write a decent compiler for aarch64, many
- * quirks were removed, such as conditional execution.
- *
- * NEON was also affected by this.
- *
- * aarch64 cannot access the high bits of a Q-form register, and writes to a
- * D-form register zero the high bits, similar to how writes to W-form scalar
- * registers (or DWORD registers on x86_64) work.
- *
- * The formerly free vget_high intrinsics now require a vext (with a few
- * exceptions)
- *
- * Additionally, VZIP was replaced by ZIP1 and ZIP2, which are the equivalent
- * of PUNPCKL* and PUNPCKH* in SSE, respectively, in order to only modify one
- * operand.
- *
- * The equivalent of the VZIP.32 on the lower and upper halves would be this
- * mess:
- *
- *   ext     v2.4s, v0.4s, v0.4s, #2 // v2 = { v0[2], v0[3], v0[0], v0[1] }
- *   zip1    v1.2s, v0.2s, v2.2s     // v1 = { v0[0], v2[0] }
- *   zip2    v0.2s, v0.2s, v1.2s     // v0 = { v0[1], v2[1] }
- *
- * Instead, we use a literal downcast, vmovn_u64 (XTN), and vshrn_n_u64 (SHRN):
- *
- *   shrn    v1.2s, v0.2d, #32  // v1 = (uint32x2_t)(v0 >> 32);
- *   xtn     v0.2s, v0.2d       // v0 = (uint32x2_t)(v0 & 0xFFFFFFFF);
- *
- * This is available on ARMv7-A, but is less efficient than a single VZIP.32.
- */
-
-/*!
- * Function-like macro:
- * void XXH_SPLIT_IN_PLACE(uint64x2_t &in, uint32x2_t &outLo, uint32x2_t &outHi)
- * {
- *     outLo = (uint32x2_t)(in & 0xFFFFFFFF);
- *     outHi = (uint32x2_t)(in >> 32);
- *     in = UNDEFINED;
- * }
- */
-# if !defined(XXH_NO_VZIP_HACK) /* define to disable */ \
-   && defined(__GNUC__) \
-   && !defined(__aarch64__) && !defined(__arm64__) && !defined(_M_ARM64)
-#  define XXH_SPLIT_IN_PLACE(in, outLo, outHi)                                              \
-    do {                                                                                    \
-      /* Undocumented GCC/Clang operand modifier: %e0 = lower D half, %f0 = upper D half */ \
-      /* https://github.com/gcc-mirror/gcc/blob/38cf91e5/gcc/config/arm/arm.c#L22486 */     \
-      /* https://github.com/llvm-mirror/llvm/blob/2c4ca683/lib/Target/ARM/ARMAsmPrinter.cpp#L399 */ \
-      __asm__("vzip.32  %e0, %f0" : "+w" (in));                                             \
-      (outLo) = vget_low_u32 (vreinterpretq_u32_u64(in));                                   \
-      (outHi) = vget_high_u32(vreinterpretq_u32_u64(in));                                   \
-   } while (0)
-# else
-#  define XXH_SPLIT_IN_PLACE(in, outLo, outHi)                                            \
-    do {                                                                                  \
-      (outLo) = vmovn_u64    (in);                                                        \
-      (outHi) = vshrn_n_u64  ((in), 32);                                                  \
-    } while (0)
-# endif
-#endif  /* XXH_VECTOR == XXH_NEON */
-
-/*
- * VSX and Z Vector helpers.
- *
- * This is very messy, and any pull requests to clean this up are welcome.
- *
- * There are a lot of problems with supporting VSX and s390x, due to
- * inconsistent intrinsics, spotty coverage, and multiple endiannesses.
- */
-#if XXH_VECTOR == XXH_VSX
-#  if defined(__s390x__)
-#    include <s390intrin.h>
-#  else
-/* gcc's altivec.h can have the unwanted consequence to unconditionally
- * #define bool, vector, and pixel keywords,
- * with bad consequences for programs already using these keywords for other purposes.
- * The paragraph defining these macros is skipped when __APPLE_ALTIVEC__ is defined.
- * __APPLE_ALTIVEC__ is _generally_ defined automatically by the compiler,
- * but it seems that, in some cases, it isn't.
- * Force the build macro to be defined, so that keywords are not altered.
- */
-#    if defined(__GNUC__) && !defined(__APPLE_ALTIVEC__)
-#      define __APPLE_ALTIVEC__
-#    endif
-#    include <altivec.h>
-#  endif
-
-typedef __vector unsigned long long xxh_u64x2;
-typedef __vector unsigned char xxh_u8x16;
-typedef __vector unsigned xxh_u32x4;
-
-# ifndef XXH_VSX_BE
-#  if defined(__BIG_ENDIAN__) \
-  || (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
-#    define XXH_VSX_BE 1
-#  elif defined(__VEC_ELEMENT_REG_ORDER__) && __VEC_ELEMENT_REG_ORDER__ == __ORDER_BIG_ENDIAN__
-#    warning "-maltivec=be is not recommended. Please use native endianness."
-#    define XXH_VSX_BE 1
-#  else
-#    define XXH_VSX_BE 0
-#  endif
-# endif /* !defined(XXH_VSX_BE) */
-
-# if XXH_VSX_BE
-#  if defined(__POWER9_VECTOR__) || (defined(__clang__) && defined(__s390x__))
-#    define XXH_vec_revb vec_revb
-#  else
-/*!
- * A polyfill for POWER9's vec_revb().
- */
-XXH_FORCE_INLINE xxh_u64x2 XXH_vec_revb(xxh_u64x2 val)
-{
-    xxh_u8x16 const vByteSwap = { 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00,
-                                  0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 0x09, 0x08 };
-    return vec_perm(val, val, vByteSwap);
-}
-#  endif
-# endif /* XXH_VSX_BE */
-
-/*!
- * Performs an unaligned vector load and byte swaps it on big endian.
- */
-XXH_FORCE_INLINE xxh_u64x2 XXH_vec_loadu(const void *ptr)
-{
-    xxh_u64x2 ret;
-    XXH_memcpy(&ret, ptr, sizeof(xxh_u64x2));
-# if XXH_VSX_BE
-    ret = XXH_vec_revb(ret);
-# endif
-    return ret;
-}
-
-/*
- * vec_mulo and vec_mule are very problematic intrinsics on PowerPC
- *
- * These intrinsics weren't added until GCC 8, despite existing for a while,
- * and they are endian dependent. Also, their meaning swap depending on version.
- * */
-# if defined(__s390x__)
- /* s390x is always big endian, no issue on this platform */
-#  define XXH_vec_mulo vec_mulo
-#  define XXH_vec_mule vec_mule
-# elif defined(__clang__) && XXH_HAS_BUILTIN(__builtin_altivec_vmuleuw)
-/* Clang has a better way to control this, we can just use the builtin which doesn't swap. */
-#  define XXH_vec_mulo __builtin_altivec_vmulouw
-#  define XXH_vec_mule __builtin_altivec_vmuleuw
-# else
-/* gcc needs inline assembly */
-/* Adapted from https://github.com/google/highwayhash/blob/master/highwayhash/hh_vsx.h. */
-XXH_FORCE_INLINE xxh_u64x2 XXH_vec_mulo(xxh_u32x4 a, xxh_u32x4 b)
-{
-    xxh_u64x2 result;
-    __asm__("vmulouw %0, %1, %2" : "=v" (result) : "v" (a), "v" (b));
-    return result;
-}
-XXH_FORCE_INLINE xxh_u64x2 XXH_vec_mule(xxh_u32x4 a, xxh_u32x4 b)
-{
-    xxh_u64x2 result;
-    __asm__("vmuleuw %0, %1, %2" : "=v" (result) : "v" (a), "v" (b));
-    return result;
-}
-# endif /* XXH_vec_mulo, XXH_vec_mule */
-#endif /* XXH_VECTOR == XXH_VSX */
-
-
-/* prefetch
- * can be disabled, by declaring XXH_NO_PREFETCH build macro */
-#if defined(XXH_NO_PREFETCH)
-#  define XXH_PREFETCH(ptr)  (void)(ptr)  /* disabled */
-#else
-#  if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_IX86))  /* _mm_prefetch() not defined outside of x86/x64 */
-#    include <mmintrin.h>   /* https://msdn.microsoft.com/fr-fr/library/84szxsww(v=vs.90).aspx */
-#    define XXH_PREFETCH(ptr)  _mm_prefetch((const char*)(ptr), _MM_HINT_T0)
-#  elif defined(__GNUC__) && ( (__GNUC__ >= 4) || ( (__GNUC__ == 3) && (__GNUC_MINOR__ >= 1) ) )
-#    define XXH_PREFETCH(ptr)  __builtin_prefetch((ptr), 0 /* rw==read */, 3 /* locality */)
-#  else
-#    define XXH_PREFETCH(ptr) (void)(ptr)  /* disabled */
-#  endif
-#endif  /* XXH_NO_PREFETCH */
-
-
-/* ==========================================
- * XXH3 default settings
- * ========================================== */
-
-#define XXH_SECRET_DEFAULT_SIZE 192   /* minimum XXH3_SECRET_SIZE_MIN */
-
-#if (XXH_SECRET_DEFAULT_SIZE < XXH3_SECRET_SIZE_MIN)
-#  error "default keyset is not large enough"
-#endif
-
-/*! Pseudorandom secret taken directly from FARSH. */
-XXH_ALIGN(64) static const xxh_u8 XXH3_kSecret[XXH_SECRET_DEFAULT_SIZE] = {
-    0xb8, 0xfe, 0x6c, 0x39, 0x23, 0xa4, 0x4b, 0xbe, 0x7c, 0x01, 0x81, 0x2c, 0xf7, 0x21, 0xad, 0x1c,
-    0xde, 0xd4, 0x6d, 0xe9, 0x83, 0x90, 0x97, 0xdb, 0x72, 0x40, 0xa4, 0xa4, 0xb7, 0xb3, 0x67, 0x1f,
-    0xcb, 0x79, 0xe6, 0x4e, 0xcc, 0xc0, 0xe5, 0x78, 0x82, 0x5a, 0xd0, 0x7d, 0xcc, 0xff, 0x72, 0x21,
-    0xb8, 0x08, 0x46, 0x74, 0xf7, 0x43, 0x24, 0x8e, 0xe0, 0x35, 0x90, 0xe6, 0x81, 0x3a, 0x26, 0x4c,
-    0x3c, 0x28, 0x52, 0xbb, 0x91, 0xc3, 0x00, 0xcb, 0x88, 0xd0, 0x65, 0x8b, 0x1b, 0x53, 0x2e, 0xa3,
-    0x71, 0x64, 0x48, 0x97, 0xa2, 0x0d, 0xf9, 0x4e, 0x38, 0x19, 0xef, 0x46, 0xa9, 0xde, 0xac, 0xd8,
-    0xa8, 0xfa, 0x76, 0x3f, 0xe3, 0x9c, 0x34, 0x3f, 0xf9, 0xdc, 0xbb, 0xc7, 0xc7, 0x0b, 0x4f, 0x1d,
-    0x8a, 0x51, 0xe0, 0x4b, 0xcd, 0xb4, 0x59, 0x31, 0xc8, 0x9f, 0x7e, 0xc9, 0xd9, 0x78, 0x73, 0x64,
-    0xea, 0xc5, 0xac, 0x83, 0x34, 0xd3, 0xeb, 0xc3, 0xc5, 0x81, 0xa0, 0xff, 0xfa, 0x13, 0x63, 0xeb,
-    0x17, 0x0d, 0xdd, 0x51, 0xb7, 0xf0, 0xda, 0x49, 0xd3, 0x16, 0x55, 0x26, 0x29, 0xd4, 0x68, 0x9e,
-    0x2b, 0x16, 0xbe, 0x58, 0x7d, 0x47, 0xa1, 0xfc, 0x8f, 0xf8, 0xb8, 0xd1, 0x7a, 0xd0, 0x31, 0xce,
-    0x45, 0xcb, 0x3a, 0x8f, 0x95, 0x16, 0x04, 0x28, 0xaf, 0xd7, 0xfb, 0xca, 0xbb, 0x4b, 0x40, 0x7e,
-};
-
-
-#ifdef XXH_OLD_NAMES
-#  define kSecret XXH3_kSecret
-#endif
-
-#ifdef XXH_DOXYGEN
-/*!
- * @brief Calculates a 32-bit to 64-bit long multiply.
- *
- * Implemented as a macro.
- *
- * Wraps `__emulu` on MSVC x86 because it tends to call `__allmul` when it doesn't
- * need to (but it shouldn't need to anyways, it is about 7 instructions to do
- * a 64x64 multiply...). Since we know that this will _always_ emit `MULL`, we
- * use that instead of the normal method.
- *
- * If you are compiling for platforms like Thumb-1 and don't have a better option,
- * you may also want to write your own long multiply routine here.
- *
- * @param x, y Numbers to be multiplied
- * @return 64-bit product of the low 32 bits of @p x and @p y.
- */
-XXH_FORCE_INLINE xxh_u64
-XXH_mult32to64(xxh_u64 x, xxh_u64 y)
-{
-   return (x & 0xFFFFFFFF) * (y & 0xFFFFFFFF);
-}
-#elif defined(_MSC_VER) && defined(_M_IX86)
-#    include <intrin.h>
-#    define XXH_mult32to64(x, y) __emulu((unsigned)(x), (unsigned)(y))
-#else
-/*
- * Downcast + upcast is usually better than masking on older compilers like
- * GCC 4.2 (especially 32-bit ones), all without affecting newer compilers.
- *
- * The other method, (x & 0xFFFFFFFF) * (y & 0xFFFFFFFF), will AND both operands
- * and perform a full 64x64 multiply -- entirely redundant on 32-bit.
- */
-#    define XXH_mult32to64(x, y) ((xxh_u64)(xxh_u32)(x) * (xxh_u64)(xxh_u32)(y))
-#endif
-
-/*!
- * @brief Calculates a 64->128-bit long multiply.
- *
- * Uses `__uint128_t` and `_umul128` if available, otherwise uses a scalar
- * version.
- *
- * @param lhs , rhs The 64-bit integers to be multiplied
- * @return The 128-bit result represented in an @ref XXH128_hash_t.
- */
-static XXH128_hash_t
-XXH_mult64to128(xxh_u64 lhs, xxh_u64 rhs)
-{
-    /*
-     * GCC/Clang __uint128_t method.
-     *
-     * On most 64-bit targets, GCC and Clang define a __uint128_t type.
-     * This is usually the best way as it usually uses a native long 64-bit
-     * multiply, such as MULQ on x86_64 or MUL + UMULH on aarch64.
-     *
-     * Usually.
-     *
-     * Despite being a 32-bit platform, Clang (and emscripten) define this type
-     * despite not having the arithmetic for it. This results in a laggy
-     * compiler builtin call which calculates a full 128-bit multiply.
-     * In that case it is best to use the portable one.
-     * https://github.com/Cyan4973/xxHash/issues/211#issuecomment-515575677
-     */
-#if defined(__GNUC__) && !defined(__wasm__) \
-    && defined(__SIZEOF_INT128__) \
-    || (defined(_INTEGRAL_MAX_BITS) && _INTEGRAL_MAX_BITS >= 128)
-
-    __uint128_t const product = (__uint128_t)lhs * (__uint128_t)rhs;
-    XXH128_hash_t r128;
-    r128.low64  = (xxh_u64)(product);
-    r128.high64 = (xxh_u64)(product >> 64);
-    return r128;
-
-    /*
-     * MSVC for x64's _umul128 method.
-     *
-     * xxh_u64 _umul128(xxh_u64 Multiplier, xxh_u64 Multiplicand, xxh_u64 *HighProduct);
-     *
-     * This compiles to single operand MUL on x64.
-     */
-#elif defined(_M_X64) || defined(_M_IA64)
-
-#ifndef _MSC_VER
-#   pragma intrinsic(_umul128)
-#endif
-    xxh_u64 product_high;
-    xxh_u64 const product_low = _umul128(lhs, rhs, &product_high);
-    XXH128_hash_t r128;
-    r128.low64  = product_low;
-    r128.high64 = product_high;
-    return r128;
-
-    /*
-     * MSVC for ARM64's __umulh method.
-     *
-     * This compiles to the same MUL + UMULH as GCC/Clang's __uint128_t method.
-     */
-#elif defined(_M_ARM64)
-
-#ifndef _MSC_VER
-#   pragma intrinsic(__umulh)
-#endif
-    XXH128_hash_t r128;
-    r128.low64  = lhs * rhs;
-    r128.high64 = __umulh(lhs, rhs);
-    return r128;
-
-#else
-    /*
-     * Portable scalar method. Optimized for 32-bit and 64-bit ALUs.
-     *
-     * This is a fast and simple grade school multiply, which is shown below
-     * with base 10 arithmetic instead of base 0x100000000.
-     *
-     *           9 3 // D2 lhs = 93
-     *         x 7 5 // D2 rhs = 75
-     *     ----------
-     *           1 5 // D2 lo_lo = (93 % 10) * (75 % 10) = 15
-     *         4 5 | // D2 hi_lo = (93 / 10) * (75 % 10) = 45
-     *         2 1 | // D2 lo_hi = (93 % 10) * (75 / 10) = 21
-     *     + 6 3 | | // D2 hi_hi = (93 / 10) * (75 / 10) = 63
-     *     ---------
-     *         2 7 | // D2 cross = (15 / 10) + (45 % 10) + 21 = 27
-     *     + 6 7 | | // D2 upper = (27 / 10) + (45 / 10) + 63 = 67
-     *     ---------
-     *       6 9 7 5 // D4 res = (27 * 10) + (15 % 10) + (67 * 100) = 6975
-     *
-     * The reasons for adding the products like this are:
-     *  1. It avoids manual carry tracking. Just like how
-     *     (9 * 9) + 9 + 9 = 99, the same applies with this for UINT64_MAX.
-     *     This avoids a lot of complexity.
-     *
-     *  2. It hints for, and on Clang, compiles to, the powerful UMAAL
-     *     instruction available in ARM's Digital Signal Processing extension
-     *     in 32-bit ARMv6 and later, which is shown below:
-     *
-     *         void UMAAL(xxh_u32 *RdLo, xxh_u32 *RdHi, xxh_u32 Rn, xxh_u32 Rm)
-     *         {
-     *             xxh_u64 product = (xxh_u64)*RdLo * (xxh_u64)*RdHi + Rn + Rm;
-     *             *RdLo = (xxh_u32)(product & 0xFFFFFFFF);
-     *             *RdHi = (xxh_u32)(product >> 32);
-     *         }
-     *
-     *     This instruction was designed for efficient long multiplication, and
-     *     allows this to be calculated in only 4 instructions at speeds
-     *     comparable to some 64-bit ALUs.
-     *
-     *  3. It isn't terrible on other platforms. Usually this will be a couple
-     *     of 32-bit ADD/ADCs.
-     */
-
-    /* First calculate all of the cross products. */
-    xxh_u64 const lo_lo = XXH_mult32to64(lhs & 0xFFFFFFFF, rhs & 0xFFFFFFFF);
-    xxh_u64 const hi_lo = XXH_mult32to64(lhs >> 32,        rhs & 0xFFFFFFFF);
-    xxh_u64 const lo_hi = XXH_mult32to64(lhs & 0xFFFFFFFF, rhs >> 32);
-    xxh_u64 const hi_hi = XXH_mult32to64(lhs >> 32,        rhs >> 32);
-
-    /* Now add the products together. These will never overflow. */
-    xxh_u64 const cross = (lo_lo >> 32) + (hi_lo & 0xFFFFFFFF) + lo_hi;
-    xxh_u64 const upper = (hi_lo >> 32) + (cross >> 32)        + hi_hi;
-    xxh_u64 const lower = (cross << 32) | (lo_lo & 0xFFFFFFFF);
-
-    XXH128_hash_t r128;
-    r128.low64  = lower;
-    r128.high64 = upper;
-    return r128;
-#endif
-}
-
-/*!
- * @brief Calculates a 64-bit to 128-bit multiply, then XOR folds it.
- *
- * The reason for the separate function is to prevent passing too many structs
- * around by value. This will hopefully inline the multiply, but we don't force it.
- *
- * @param lhs , rhs The 64-bit integers to multiply
- * @return The low 64 bits of the product XOR'd by the high 64 bits.
- * @see XXH_mult64to128()
- */
-static xxh_u64
-XXH3_mul128_fold64(xxh_u64 lhs, xxh_u64 rhs)
-{
-    XXH128_hash_t product = XXH_mult64to128(lhs, rhs);
-    return product.low64 ^ product.high64;
-}
-
-/*! Seems to produce slightly better code on GCC for some reason. */
-XXH_FORCE_INLINE xxh_u64 XXH_xorshift64(xxh_u64 v64, int shift)
-{
-    XXH_ASSERT(0 <= shift && shift < 64);
-    return v64 ^ (v64 >> shift);
-}
-
-/*
- * This is a fast avalanche stage,
- * suitable when input bits are already partially mixed
- */
-static XXH64_hash_t XXH3_avalanche(xxh_u64 h64)
-{
-    h64 = XXH_xorshift64(h64, 37);
-    h64 *= 0x165667919E3779F9ULL;
-    h64 = XXH_xorshift64(h64, 32);
-    return h64;
-}
-
-/*
- * This is a stronger avalanche,
- * inspired by Pelle Evensen's rrmxmx
- * preferable when input has not been previously mixed
- */
-static XXH64_hash_t XXH3_rrmxmx(xxh_u64 h64, xxh_u64 len)
-{
-    /* this mix is inspired by Pelle Evensen's rrmxmx */
-    h64 ^= XXH_rotl64(h64, 49) ^ XXH_rotl64(h64, 24);
-    h64 *= 0x9FB21C651E98DF25ULL;
-    h64 ^= (h64 >> 35) + len ;
-    h64 *= 0x9FB21C651E98DF25ULL;
-    return XXH_xorshift64(h64, 28);
-}
-
-
-/* ==========================================
- * Short keys
- * ==========================================
- * One of the shortcomings of XXH32 and XXH64 was that their performance was
- * sub-optimal on short lengths. It used an iterative algorithm which strongly
- * favored lengths that were a multiple of 4 or 8.
- *
- * Instead of iterating over individual inputs, we use a set of single shot
- * functions which piece together a range of lengths and operate in constant time.
- *
- * Additionally, the number of multiplies has been significantly reduced. This
- * reduces latency, especially when emulating 64-bit multiplies on 32-bit.
- *
- * Depending on the platform, this may or may not be faster than XXH32, but it
- * is almost guaranteed to be faster than XXH64.
- */
-
-/*
- * At very short lengths, there isn't enough input to fully hide secrets, or use
- * the entire secret.
- *
- * There is also only a limited amount of mixing we can do before significantly
- * impacting performance.
- *
- * Therefore, we use different sections of the secret and always mix two secret
- * samples with an XOR. This should have no effect on performance on the
- * seedless or withSeed variants because everything _should_ be constant folded
- * by modern compilers.
- *
- * The XOR mixing hides individual parts of the secret and increases entropy.
- *
- * This adds an extra layer of strength for custom secrets.
- */
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_len_1to3_64b(const xxh_u8* input, size_t len, const xxh_u8* secret, XXH64_hash_t seed)
-{
-    XXH_ASSERT(input != NULL);
-    XXH_ASSERT(1 <= len && len <= 3);
-    XXH_ASSERT(secret != NULL);
-    /*
-     * len = 1: combined = { input[0], 0x01, input[0], input[0] }
-     * len = 2: combined = { input[1], 0x02, input[0], input[1] }
-     * len = 3: combined = { input[2], 0x03, input[0], input[1] }
-     */
-    {   xxh_u8  const c1 = input[0];
-        xxh_u8  const c2 = input[len >> 1];
-        xxh_u8  const c3 = input[len - 1];
-        xxh_u32 const combined = ((xxh_u32)c1 << 16) | ((xxh_u32)c2  << 24)
-                               | ((xxh_u32)c3 <<  0) | ((xxh_u32)len << 8);
-        xxh_u64 const bitflip = (XXH_readLE32(secret) ^ XXH_readLE32(secret+4)) + seed;
-        xxh_u64 const keyed = (xxh_u64)combined ^ bitflip;
-        return XXH64_avalanche(keyed);
-    }
-}
-
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_len_4to8_64b(const xxh_u8* input, size_t len, const xxh_u8* secret, XXH64_hash_t seed)
-{
-    XXH_ASSERT(input != NULL);
-    XXH_ASSERT(secret != NULL);
-    XXH_ASSERT(4 <= len && len <= 8);
-    seed ^= (xxh_u64)XXH_swap32((xxh_u32)seed) << 32;
-    {   xxh_u32 const input1 = XXH_readLE32(input);
-        xxh_u32 const input2 = XXH_readLE32(input + len - 4);
-        xxh_u64 const bitflip = (XXH_readLE64(secret+8) ^ XXH_readLE64(secret+16)) - seed;
-        xxh_u64 const input64 = input2 + (((xxh_u64)input1) << 32);
-        xxh_u64 const keyed = input64 ^ bitflip;
-        return XXH3_rrmxmx(keyed, len);
-    }
-}
-
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_len_9to16_64b(const xxh_u8* input, size_t len, const xxh_u8* secret, XXH64_hash_t seed)
-{
-    XXH_ASSERT(input != NULL);
-    XXH_ASSERT(secret != NULL);
-    XXH_ASSERT(9 <= len && len <= 16);
-    {   xxh_u64 const bitflip1 = (XXH_readLE64(secret+24) ^ XXH_readLE64(secret+32)) + seed;
-        xxh_u64 const bitflip2 = (XXH_readLE64(secret+40) ^ XXH_readLE64(secret+48)) - seed;
-        xxh_u64 const input_lo = XXH_readLE64(input)           ^ bitflip1;
-        xxh_u64 const input_hi = XXH_readLE64(input + len - 8) ^ bitflip2;
-        xxh_u64 const acc = len
-                          + XXH_swap64(input_lo) + input_hi
-                          + XXH3_mul128_fold64(input_lo, input_hi);
-        return XXH3_avalanche(acc);
-    }
-}
-
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_len_0to16_64b(const xxh_u8* input, size_t len, const xxh_u8* secret, XXH64_hash_t seed)
-{
-    XXH_ASSERT(len <= 16);
-    {   if (XXH_likely(len >  8)) return XXH3_len_9to16_64b(input, len, secret, seed);
-        if (XXH_likely(len >= 4)) return XXH3_len_4to8_64b(input, len, secret, seed);
-        if (len) return XXH3_len_1to3_64b(input, len, secret, seed);
-        return XXH64_avalanche(seed ^ (XXH_readLE64(secret+56) ^ XXH_readLE64(secret+64)));
-    }
-}
-
-/*
- * DISCLAIMER: There are known *seed-dependent* multicollisions here due to
- * multiplication by zero, affecting hashes of lengths 17 to 240.
- *
- * However, they are very unlikely.
- *
- * Keep this in mind when using the unseeded XXH3_64bits() variant: As with all
- * unseeded non-cryptographic hashes, it does not attempt to defend itself
- * against specially crafted inputs, only random inputs.
- *
- * Compared to classic UMAC where a 1 in 2^31 chance of 4 consecutive bytes
- * cancelling out the secret is taken an arbitrary number of times (addressed
- * in XXH3_accumulate_512), this collision is very unlikely with random inputs
- * and/or proper seeding:
- *
- * This only has a 1 in 2^63 chance of 8 consecutive bytes cancelling out, in a
- * function that is only called up to 16 times per hash with up to 240 bytes of
- * input.
- *
- * This is not too bad for a non-cryptographic hash function, especially with
- * only 64 bit outputs.
- *
- * The 128-bit variant (which trades some speed for strength) is NOT affected
- * by this, although it is always a good idea to use a proper seed if you care
- * about strength.
- */
-XXH_FORCE_INLINE xxh_u64 XXH3_mix16B(const xxh_u8* XXH_RESTRICT input,
-                                     const xxh_u8* XXH_RESTRICT secret, xxh_u64 seed64)
-{
-#if defined(__GNUC__) && !defined(__clang__) /* GCC, not Clang */ \
-  && defined(__i386__) && defined(__SSE2__)  /* x86 + SSE2 */ \
-  && !defined(XXH_ENABLE_AUTOVECTORIZE)      /* Define to disable like XXH32 hack */
-    /*
-     * UGLY HACK:
-     * GCC for x86 tends to autovectorize the 128-bit multiply, resulting in
-     * slower code.
-     *
-     * By forcing seed64 into a register, we disrupt the cost model and
-     * cause it to scalarize. See `XXH32_round()`
-     *
-     * FIXME: Clang's output is still _much_ faster -- On an AMD Ryzen 3600,
-     * XXH3_64bits @ len=240 runs at 4.6 GB/s with Clang 9, but 3.3 GB/s on
-     * GCC 9.2, despite both emitting scalar code.
-     *
-     * GCC generates much better scalar code than Clang for the rest of XXH3,
-     * which is why finding a more optimal codepath is an interest.
-     */
-    XXH_COMPILER_GUARD(seed64);
-#endif
-    {   xxh_u64 const input_lo = XXH_readLE64(input);
-        xxh_u64 const input_hi = XXH_readLE64(input+8);
-        return XXH3_mul128_fold64(
-            input_lo ^ (XXH_readLE64(secret)   + seed64),
-            input_hi ^ (XXH_readLE64(secret+8) - seed64)
-        );
-    }
-}
-
-/* For mid range keys, XXH3 uses a Mum-hash variant. */
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_len_17to128_64b(const xxh_u8* XXH_RESTRICT input, size_t len,
-                     const xxh_u8* XXH_RESTRICT secret, size_t secretSize,
-                     XXH64_hash_t seed)
-{
-    XXH_ASSERT(secretSize >= XXH3_SECRET_SIZE_MIN); (void)secretSize;
-    XXH_ASSERT(16 < len && len <= 128);
-
-    {   xxh_u64 acc = len * XXH_PRIME64_1;
-        if (len > 32) {
-            if (len > 64) {
-                if (len > 96) {
-                    acc += XXH3_mix16B(input+48, secret+96, seed);
-                    acc += XXH3_mix16B(input+len-64, secret+112, seed);
-                }
-                acc += XXH3_mix16B(input+32, secret+64, seed);
-                acc += XXH3_mix16B(input+len-48, secret+80, seed);
-            }
-            acc += XXH3_mix16B(input+16, secret+32, seed);
-            acc += XXH3_mix16B(input+len-32, secret+48, seed);
-        }
-        acc += XXH3_mix16B(input+0, secret+0, seed);
-        acc += XXH3_mix16B(input+len-16, secret+16, seed);
-
-        return XXH3_avalanche(acc);
-    }
-}
-
-#define XXH3_MIDSIZE_MAX 240
-
-XXH_NO_INLINE XXH64_hash_t
-XXH3_len_129to240_64b(const xxh_u8* XXH_RESTRICT input, size_t len,
-                      const xxh_u8* XXH_RESTRICT secret, size_t secretSize,
-                      XXH64_hash_t seed)
-{
-    XXH_ASSERT(secretSize >= XXH3_SECRET_SIZE_MIN); (void)secretSize;
-    XXH_ASSERT(128 < len && len <= XXH3_MIDSIZE_MAX);
-
-    #define XXH3_MIDSIZE_STARTOFFSET 3
-    #define XXH3_MIDSIZE_LASTOFFSET  17
-
-    {   xxh_u64 acc = len * XXH_PRIME64_1;
-        int const nbRounds = (int)len / 16;
-        int i;
-        for (i=0; i<8; i++) {
-            acc += XXH3_mix16B(input+(16*i), secret+(16*i), seed);
-        }
-        acc = XXH3_avalanche(acc);
-        XXH_ASSERT(nbRounds >= 8);
-#if defined(__clang__)                                /* Clang */ \
-    && (defined(__ARM_NEON) || defined(__ARM_NEON__)) /* NEON */ \
-    && !defined(XXH_ENABLE_AUTOVECTORIZE)             /* Define to disable */
-        /*
-         * UGLY HACK:
-         * Clang for ARMv7-A tries to vectorize this loop, similar to GCC x86.
-         * In everywhere else, it uses scalar code.
-         *
-         * For 64->128-bit multiplies, even if the NEON was 100% optimal, it
-         * would still be slower than UMAAL (see XXH_mult64to128).
-         *
-         * Unfortunately, Clang doesn't handle the long multiplies properly and
-         * converts them to the nonexistent "vmulq_u64" intrinsic, which is then
-         * scalarized into an ugly mess of VMOV.32 instructions.
-         *
-         * This mess is difficult to avoid without turning autovectorization
-         * off completely, but they are usually relatively minor and/or not
-         * worth it to fix.
-         *
-         * This loop is the easiest to fix, as unlike XXH32, this pragma
-         * _actually works_ because it is a loop vectorization instead of an
-         * SLP vectorization.
-         */
-        #pragma clang loop vectorize(disable)
-#endif
-        for (i=8 ; i < nbRounds; i++) {
-            acc += XXH3_mix16B(input+(16*i), secret+(16*(i-8)) + XXH3_MIDSIZE_STARTOFFSET, seed);
-        }
-        /* last bytes */
-        acc += XXH3_mix16B(input + len - 16, secret + XXH3_SECRET_SIZE_MIN - XXH3_MIDSIZE_LASTOFFSET, seed);
-        return XXH3_avalanche(acc);
-    }
-}
-
-
-/* =======     Long Keys     ======= */
-
-#define XXH_STRIPE_LEN 64
-#define XXH_SECRET_CONSUME_RATE 8   /* nb of secret bytes consumed at each accumulation */
-#define XXH_ACC_NB (XXH_STRIPE_LEN / sizeof(xxh_u64))
-
-#ifdef XXH_OLD_NAMES
-#  define STRIPE_LEN XXH_STRIPE_LEN
-#  define ACC_NB XXH_ACC_NB
-#endif
-
-XXH_FORCE_INLINE void XXH_writeLE64(void* dst, xxh_u64 v64)
-{
-    if (!XXH_CPU_LITTLE_ENDIAN) v64 = XXH_swap64(v64);
-    XXH_memcpy(dst, &v64, sizeof(v64));
-}
-
-/* Several intrinsic functions below are supposed to accept __int64 as argument,
- * as documented in https://software.intel.com/sites/landingpage/IntrinsicsGuide/ .
- * However, several environments do not define __int64 type,
- * requiring a workaround.
- */
-#if !defined (__VMS) \
-  && (defined (__cplusplus) \
-  || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
-    typedef int64_t xxh_i64;
-#else
-    /* the following type must have a width of 64-bit */
-    typedef long long xxh_i64;
-#endif
-
-/*
- * XXH3_accumulate_512 is the tightest loop for long inputs, and it is the most optimized.
- *
- * It is a hardened version of UMAC, based off of FARSH's implementation.
- *
- * This was chosen because it adapts quite well to 32-bit, 64-bit, and SIMD
- * implementations, and it is ridiculously fast.
- *
- * We harden it by mixing the original input to the accumulators as well as the product.
- *
- * This means that in the (relatively likely) case of a multiply by zero, the
- * original input is preserved.
- *
- * On 128-bit inputs, we swap 64-bit pairs when we add the input to improve
- * cross-pollination, as otherwise the upper and lower halves would be
- * essentially independent.
- *
- * This doesn't matter on 64-bit hashes since they all get merged together in
- * the end, so we skip the extra step.
- *
- * Both XXH3_64bits and XXH3_128bits use this subroutine.
- */
-
-#if (XXH_VECTOR == XXH_AVX512) \
-     || (defined(XXH_DISPATCH_AVX512) && XXH_DISPATCH_AVX512 != 0)
-
-#ifndef XXH_TARGET_AVX512
-# define XXH_TARGET_AVX512  /* disable attribute target */
-#endif
-
-XXH_FORCE_INLINE XXH_TARGET_AVX512 void
-XXH3_accumulate_512_avx512(void* XXH_RESTRICT acc,
-                     const void* XXH_RESTRICT input,
-                     const void* XXH_RESTRICT secret)
-{
-    __m512i* const xacc = (__m512i *) acc;
-    XXH_ASSERT((((size_t)acc) & 63) == 0);
-    XXH_STATIC_ASSERT(XXH_STRIPE_LEN == sizeof(__m512i));
-
-    {
-        /* data_vec    = input[0]; */
-        __m512i const data_vec    = _mm512_loadu_si512   (input);
-        /* key_vec     = secret[0]; */
-        __m512i const key_vec     = _mm512_loadu_si512   (secret);
-        /* data_key    = data_vec ^ key_vec; */
-        __m512i const data_key    = _mm512_xor_si512     (data_vec, key_vec);
-        /* data_key_lo = data_key >> 32; */
-        __m512i const data_key_lo = _mm512_shuffle_epi32 (data_key, (_MM_PERM_ENUM)_MM_SHUFFLE(0, 3, 0, 1));
-        /* product     = (data_key & 0xffffffff) * (data_key_lo & 0xffffffff); */
-        __m512i const product     = _mm512_mul_epu32     (data_key, data_key_lo);
-        /* xacc[0] += swap(data_vec); */
-        __m512i const data_swap = _mm512_shuffle_epi32(data_vec, (_MM_PERM_ENUM)_MM_SHUFFLE(1, 0, 3, 2));
-        __m512i const sum       = _mm512_add_epi64(*xacc, data_swap);
-        /* xacc[0] += product; */
-        *xacc = _mm512_add_epi64(product, sum);
-    }
-}
-
-/*
- * XXH3_scrambleAcc: Scrambles the accumulators to improve mixing.
- *
- * Multiplication isn't perfect, as explained by Google in HighwayHash:
- *
- *  // Multiplication mixes/scrambles bytes 0-7 of the 64-bit result to
- *  // varying degrees. In descending order of goodness, bytes
- *  // 3 4 2 5 1 6 0 7 have quality 228 224 164 160 100 96 36 32.
- *  // As expected, the upper and lower bytes are much worse.
- *
- * Source: https://github.com/google/highwayhash/blob/0aaf66b/highwayhash/hh_avx2.h#L291
- *
- * Since our algorithm uses a pseudorandom secret to add some variance into the
- * mix, we don't need to (or want to) mix as often or as much as HighwayHash does.
- *
- * This isn't as tight as XXH3_accumulate, but still written in SIMD to avoid
- * extraction.
- *
- * Both XXH3_64bits and XXH3_128bits use this subroutine.
- */
-
-XXH_FORCE_INLINE XXH_TARGET_AVX512 void
-XXH3_scrambleAcc_avx512(void* XXH_RESTRICT acc, const void* XXH_RESTRICT secret)
-{
-    XXH_ASSERT((((size_t)acc) & 63) == 0);
-    XXH_STATIC_ASSERT(XXH_STRIPE_LEN == sizeof(__m512i));
-    {   __m512i* const xacc = (__m512i*) acc;
-        const __m512i prime32 = _mm512_set1_epi32((int)XXH_PRIME32_1);
-
-        /* xacc[0] ^= (xacc[0] >> 47) */
-        __m512i const acc_vec     = *xacc;
-        __m512i const shifted     = _mm512_srli_epi64    (acc_vec, 47);
-        __m512i const data_vec    = _mm512_xor_si512     (acc_vec, shifted);
-        /* xacc[0] ^= secret; */
-        __m512i const key_vec     = _mm512_loadu_si512   (secret);
-        __m512i const data_key    = _mm512_xor_si512     (data_vec, key_vec);
-
-        /* xacc[0] *= XXH_PRIME32_1; */
-        __m512i const data_key_hi = _mm512_shuffle_epi32 (data_key, (_MM_PERM_ENUM)_MM_SHUFFLE(0, 3, 0, 1));
-        __m512i const prod_lo     = _mm512_mul_epu32     (data_key, prime32);
-        __m512i const prod_hi     = _mm512_mul_epu32     (data_key_hi, prime32);
-        *xacc = _mm512_add_epi64(prod_lo, _mm512_slli_epi64(prod_hi, 32));
-    }
-}
-
-XXH_FORCE_INLINE XXH_TARGET_AVX512 void
-XXH3_initCustomSecret_avx512(void* XXH_RESTRICT customSecret, xxh_u64 seed64)
-{
-    XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE & 63) == 0);
-    XXH_STATIC_ASSERT(XXH_SEC_ALIGN == 64);
-    XXH_ASSERT(((size_t)customSecret & 63) == 0);
-    (void)(&XXH_writeLE64);
-    {   int const nbRounds = XXH_SECRET_DEFAULT_SIZE / sizeof(__m512i);
-        __m512i const seed = _mm512_mask_set1_epi64(_mm512_set1_epi64((xxh_i64)seed64), 0xAA, (xxh_i64)(0U - seed64));
-
-        const __m512i* const src  = (const __m512i*) ((const void*) XXH3_kSecret);
-              __m512i* const dest = (      __m512i*) customSecret;
-        int i;
-        XXH_ASSERT(((size_t)src & 63) == 0); /* control alignment */
-        XXH_ASSERT(((size_t)dest & 63) == 0);
-        for (i=0; i < nbRounds; ++i) {
-            /* GCC has a bug, _mm512_stream_load_si512 accepts 'void*', not 'void const*',
-             * this will warn "discards 'const' qualifier". */
-            union {
-                const __m512i* cp;
-                void* p;
-            } remote_const_void;
-            remote_const_void.cp = src + i;
-            dest[i] = _mm512_add_epi64(_mm512_stream_load_si512(remote_const_void.p), seed);
-    }   }
-}
-
-#endif
-
-#if (XXH_VECTOR == XXH_AVX2) \
-    || (defined(XXH_DISPATCH_AVX2) && XXH_DISPATCH_AVX2 != 0)
-
-#ifndef XXH_TARGET_AVX2
-# define XXH_TARGET_AVX2  /* disable attribute target */
-#endif
-
-XXH_FORCE_INLINE XXH_TARGET_AVX2 void
-XXH3_accumulate_512_avx2( void* XXH_RESTRICT acc,
-                    const void* XXH_RESTRICT input,
-                    const void* XXH_RESTRICT secret)
-{
-    XXH_ASSERT((((size_t)acc) & 31) == 0);
-    {   __m256i* const xacc    =       (__m256i *) acc;
-        /* Unaligned. This is mainly for pointer arithmetic, and because
-         * _mm256_loadu_si256 requires  a const __m256i * pointer for some reason. */
-        const         __m256i* const xinput  = (const __m256i *) input;
-        /* Unaligned. This is mainly for pointer arithmetic, and because
-         * _mm256_loadu_si256 requires a const __m256i * pointer for some reason. */
-        const         __m256i* const xsecret = (const __m256i *) secret;
-
-        size_t i;
-        for (i=0; i < XXH_STRIPE_LEN/sizeof(__m256i); i++) {
-            /* data_vec    = xinput[i]; */
-            __m256i const data_vec    = _mm256_loadu_si256    (xinput+i);
-            /* key_vec     = xsecret[i]; */
-            __m256i const key_vec     = _mm256_loadu_si256   (xsecret+i);
-            /* data_key    = data_vec ^ key_vec; */
-            __m256i const data_key    = _mm256_xor_si256     (data_vec, key_vec);
-            /* data_key_lo = data_key >> 32; */
-            __m256i const data_key_lo = _mm256_shuffle_epi32 (data_key, _MM_SHUFFLE(0, 3, 0, 1));
-            /* product     = (data_key & 0xffffffff) * (data_key_lo & 0xffffffff); */
-            __m256i const product     = _mm256_mul_epu32     (data_key, data_key_lo);
-            /* xacc[i] += swap(data_vec); */
-            __m256i const data_swap = _mm256_shuffle_epi32(data_vec, _MM_SHUFFLE(1, 0, 3, 2));
-            __m256i const sum       = _mm256_add_epi64(xacc[i], data_swap);
-            /* xacc[i] += product; */
-            xacc[i] = _mm256_add_epi64(product, sum);
-    }   }
-}
-
-XXH_FORCE_INLINE XXH_TARGET_AVX2 void
-XXH3_scrambleAcc_avx2(void* XXH_RESTRICT acc, const void* XXH_RESTRICT secret)
-{
-    XXH_ASSERT((((size_t)acc) & 31) == 0);
-    {   __m256i* const xacc = (__m256i*) acc;
-        /* Unaligned. This is mainly for pointer arithmetic, and because
-         * _mm256_loadu_si256 requires a const __m256i * pointer for some reason. */
-        const         __m256i* const xsecret = (const __m256i *) secret;
-        const __m256i prime32 = _mm256_set1_epi32((int)XXH_PRIME32_1);
-
-        size_t i;
-        for (i=0; i < XXH_STRIPE_LEN/sizeof(__m256i); i++) {
-            /* xacc[i] ^= (xacc[i] >> 47) */
-            __m256i const acc_vec     = xacc[i];
-            __m256i const shifted     = _mm256_srli_epi64    (acc_vec, 47);
-            __m256i const data_vec    = _mm256_xor_si256     (acc_vec, shifted);
-            /* xacc[i] ^= xsecret; */
-            __m256i const key_vec     = _mm256_loadu_si256   (xsecret+i);
-            __m256i const data_key    = _mm256_xor_si256     (data_vec, key_vec);
-
-            /* xacc[i] *= XXH_PRIME32_1; */
-            __m256i const data_key_hi = _mm256_shuffle_epi32 (data_key, _MM_SHUFFLE(0, 3, 0, 1));
-            __m256i const prod_lo     = _mm256_mul_epu32     (data_key, prime32);
-            __m256i const prod_hi     = _mm256_mul_epu32     (data_key_hi, prime32);
-            xacc[i] = _mm256_add_epi64(prod_lo, _mm256_slli_epi64(prod_hi, 32));
-        }
-    }
-}
-
-XXH_FORCE_INLINE XXH_TARGET_AVX2 void XXH3_initCustomSecret_avx2(void* XXH_RESTRICT customSecret, xxh_u64 seed64)
-{
-    XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE & 31) == 0);
-    XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE / sizeof(__m256i)) == 6);
-    XXH_STATIC_ASSERT(XXH_SEC_ALIGN <= 64);
-    (void)(&XXH_writeLE64);
-    XXH_PREFETCH(customSecret);
-    {   __m256i const seed = _mm256_set_epi64x((xxh_i64)(0U - seed64), (xxh_i64)seed64, (xxh_i64)(0U - seed64), (xxh_i64)seed64);
-
-        const __m256i* const src  = (const __m256i*) ((const void*) XXH3_kSecret);
-              __m256i*       dest = (      __m256i*) customSecret;
-
-#       if defined(__GNUC__) || defined(__clang__)
-        /*
-         * On GCC & Clang, marking 'dest' as modified will cause the compiler:
-         *   - do not extract the secret from sse registers in the internal loop
-         *   - use less common registers, and avoid pushing these reg into stack
-         */
-        XXH_COMPILER_GUARD(dest);
-#       endif
-        XXH_ASSERT(((size_t)src & 31) == 0); /* control alignment */
-        XXH_ASSERT(((size_t)dest & 31) == 0);
-
-        /* GCC -O2 need unroll loop manually */
-        dest[0] = _mm256_add_epi64(_mm256_stream_load_si256(src+0), seed);
-        dest[1] = _mm256_add_epi64(_mm256_stream_load_si256(src+1), seed);
-        dest[2] = _mm256_add_epi64(_mm256_stream_load_si256(src+2), seed);
-        dest[3] = _mm256_add_epi64(_mm256_stream_load_si256(src+3), seed);
-        dest[4] = _mm256_add_epi64(_mm256_stream_load_si256(src+4), seed);
-        dest[5] = _mm256_add_epi64(_mm256_stream_load_si256(src+5), seed);
-    }
-}
-
-#endif
-
-/* x86dispatch always generates SSE2 */
-#if (XXH_VECTOR == XXH_SSE2) || defined(XXH_X86DISPATCH)
-
-#ifndef XXH_TARGET_SSE2
-# define XXH_TARGET_SSE2  /* disable attribute target */
-#endif
-
-XXH_FORCE_INLINE XXH_TARGET_SSE2 void
-XXH3_accumulate_512_sse2( void* XXH_RESTRICT acc,
-                    const void* XXH_RESTRICT input,
-                    const void* XXH_RESTRICT secret)
-{
-    /* SSE2 is just a half-scale version of the AVX2 version. */
-    XXH_ASSERT((((size_t)acc) & 15) == 0);
-    {   __m128i* const xacc    =       (__m128i *) acc;
-        /* Unaligned. This is mainly for pointer arithmetic, and because
-         * _mm_loadu_si128 requires a const __m128i * pointer for some reason. */
-        const         __m128i* const xinput  = (const __m128i *) input;
-        /* Unaligned. This is mainly for pointer arithmetic, and because
-         * _mm_loadu_si128 requires a const __m128i * pointer for some reason. */
-        const         __m128i* const xsecret = (const __m128i *) secret;
-
-        size_t i;
-        for (i=0; i < XXH_STRIPE_LEN/sizeof(__m128i); i++) {
-            /* data_vec    = xinput[i]; */
-            __m128i const data_vec    = _mm_loadu_si128   (xinput+i);
-            /* key_vec     = xsecret[i]; */
-            __m128i const key_vec     = _mm_loadu_si128   (xsecret+i);
-            /* data_key    = data_vec ^ key_vec; */
-            __m128i const data_key    = _mm_xor_si128     (data_vec, key_vec);
-            /* data_key_lo = data_key >> 32; */
-            __m128i const data_key_lo = _mm_shuffle_epi32 (data_key, _MM_SHUFFLE(0, 3, 0, 1));
-            /* product     = (data_key & 0xffffffff) * (data_key_lo & 0xffffffff); */
-            __m128i const product     = _mm_mul_epu32     (data_key, data_key_lo);
-            /* xacc[i] += swap(data_vec); */
-            __m128i const data_swap = _mm_shuffle_epi32(data_vec, _MM_SHUFFLE(1,0,3,2));
-            __m128i const sum       = _mm_add_epi64(xacc[i], data_swap);
-            /* xacc[i] += product; */
-            xacc[i] = _mm_add_epi64(product, sum);
-    }   }
-}
-
-XXH_FORCE_INLINE XXH_TARGET_SSE2 void
-XXH3_scrambleAcc_sse2(void* XXH_RESTRICT acc, const void* XXH_RESTRICT secret)
-{
-    XXH_ASSERT((((size_t)acc) & 15) == 0);
-    {   __m128i* const xacc = (__m128i*) acc;
-        /* Unaligned. This is mainly for pointer arithmetic, and because
-         * _mm_loadu_si128 requires a const __m128i * pointer for some reason. */
-        const         __m128i* const xsecret = (const __m128i *) secret;
-        const __m128i prime32 = _mm_set1_epi32((int)XXH_PRIME32_1);
-
-        size_t i;
-        for (i=0; i < XXH_STRIPE_LEN/sizeof(__m128i); i++) {
-            /* xacc[i] ^= (xacc[i] >> 47) */
-            __m128i const acc_vec     = xacc[i];
-            __m128i const shifted     = _mm_srli_epi64    (acc_vec, 47);
-            __m128i const data_vec    = _mm_xor_si128     (acc_vec, shifted);
-            /* xacc[i] ^= xsecret[i]; */
-            __m128i const key_vec     = _mm_loadu_si128   (xsecret+i);
-            __m128i const data_key    = _mm_xor_si128     (data_vec, key_vec);
-
-            /* xacc[i] *= XXH_PRIME32_1; */
-            __m128i const data_key_hi = _mm_shuffle_epi32 (data_key, _MM_SHUFFLE(0, 3, 0, 1));
-            __m128i const prod_lo     = _mm_mul_epu32     (data_key, prime32);
-            __m128i const prod_hi     = _mm_mul_epu32     (data_key_hi, prime32);
-            xacc[i] = _mm_add_epi64(prod_lo, _mm_slli_epi64(prod_hi, 32));
-        }
-    }
-}
-
-XXH_FORCE_INLINE XXH_TARGET_SSE2 void XXH3_initCustomSecret_sse2(void* XXH_RESTRICT customSecret, xxh_u64 seed64)
-{
-    XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE & 15) == 0);
-    (void)(&XXH_writeLE64);
-    {   int const nbRounds = XXH_SECRET_DEFAULT_SIZE / sizeof(__m128i);
-
-#       if defined(_MSC_VER) && defined(_M_IX86) && _MSC_VER < 1900
-        /* MSVC 32bit mode does not support _mm_set_epi64x before 2015 */
-        XXH_ALIGN(16) const xxh_i64 seed64x2[2] = { (xxh_i64)seed64, (xxh_i64)(0U - seed64) };
-        __m128i const seed = _mm_load_si128((__m128i const*)seed64x2);
-#       else
-        __m128i const seed = _mm_set_epi64x((xxh_i64)(0U - seed64), (xxh_i64)seed64);
-#       endif
-        int i;
-
-        const void* const src16 = XXH3_kSecret;
-        __m128i* dst16 = (__m128i*) customSecret;
-#       if defined(__GNUC__) || defined(__clang__)
-        /*
-         * On GCC & Clang, marking 'dest' as modified will cause the compiler:
-         *   - do not extract the secret from sse registers in the internal loop
-         *   - use less common registers, and avoid pushing these reg into stack
-         */
-        XXH_COMPILER_GUARD(dst16);
-#       endif
-        XXH_ASSERT(((size_t)src16 & 15) == 0); /* control alignment */
-        XXH_ASSERT(((size_t)dst16 & 15) == 0);
-
-        for (i=0; i < nbRounds; ++i) {
-            dst16[i] = _mm_add_epi64(_mm_load_si128((const __m128i *)src16+i), seed);
-    }   }
-}
-
-#endif
-
-#if (XXH_VECTOR == XXH_NEON)
-
-XXH_FORCE_INLINE void
-XXH3_accumulate_512_neon( void* XXH_RESTRICT acc,
-                    const void* XXH_RESTRICT input,
-                    const void* XXH_RESTRICT secret)
-{
-    XXH_ASSERT((((size_t)acc) & 15) == 0);
-    {
-        uint64x2_t* const xacc = (uint64x2_t *) acc;
-        /* We don't use a uint32x4_t pointer because it causes bus errors on ARMv7. */
-        uint8_t const* const xinput = (const uint8_t *) input;
-        uint8_t const* const xsecret  = (const uint8_t *) secret;
-
-        size_t i;
-        for (i=0; i < XXH_STRIPE_LEN / sizeof(uint64x2_t); i++) {
-            /* data_vec = xinput[i]; */
-            uint8x16_t data_vec    = vld1q_u8(xinput  + (i * 16));
-            /* key_vec  = xsecret[i];  */
-            uint8x16_t key_vec     = vld1q_u8(xsecret + (i * 16));
-            uint64x2_t data_key;
-            uint32x2_t data_key_lo, data_key_hi;
-            /* xacc[i] += swap(data_vec); */
-            uint64x2_t const data64  = vreinterpretq_u64_u8(data_vec);
-            uint64x2_t const swapped = vextq_u64(data64, data64, 1);
-            xacc[i] = vaddq_u64 (xacc[i], swapped);
-            /* data_key = data_vec ^ key_vec; */
-            data_key = vreinterpretq_u64_u8(veorq_u8(data_vec, key_vec));
-            /* data_key_lo = (uint32x2_t) (data_key & 0xFFFFFFFF);
-             * data_key_hi = (uint32x2_t) (data_key >> 32);
-             * data_key = UNDEFINED; */
-            XXH_SPLIT_IN_PLACE(data_key, data_key_lo, data_key_hi);
-            /* xacc[i] += (uint64x2_t) data_key_lo * (uint64x2_t) data_key_hi; */
-            xacc[i] = vmlal_u32 (xacc[i], data_key_lo, data_key_hi);
-
-        }
-    }
-}
-
-XXH_FORCE_INLINE void
-XXH3_scrambleAcc_neon(void* XXH_RESTRICT acc, const void* XXH_RESTRICT secret)
-{
-    XXH_ASSERT((((size_t)acc) & 15) == 0);
-
-    {   uint64x2_t* xacc       = (uint64x2_t*) acc;
-        uint8_t const* xsecret = (uint8_t const*) secret;
-        uint32x2_t prime       = vdup_n_u32 (XXH_PRIME32_1);
-
-        size_t i;
-        for (i=0; i < XXH_STRIPE_LEN/sizeof(uint64x2_t); i++) {
-            /* xacc[i] ^= (xacc[i] >> 47); */
-            uint64x2_t acc_vec  = xacc[i];
-            uint64x2_t shifted  = vshrq_n_u64 (acc_vec, 47);
-            uint64x2_t data_vec = veorq_u64   (acc_vec, shifted);
-
-            /* xacc[i] ^= xsecret[i]; */
-            uint8x16_t key_vec  = vld1q_u8    (xsecret + (i * 16));
-            uint64x2_t data_key = veorq_u64   (data_vec, vreinterpretq_u64_u8(key_vec));
-
-            /* xacc[i] *= XXH_PRIME32_1 */
-            uint32x2_t data_key_lo, data_key_hi;
-            /* data_key_lo = (uint32x2_t) (xacc[i] & 0xFFFFFFFF);
-             * data_key_hi = (uint32x2_t) (xacc[i] >> 32);
-             * xacc[i] = UNDEFINED; */
-            XXH_SPLIT_IN_PLACE(data_key, data_key_lo, data_key_hi);
-            {   /*
-                 * prod_hi = (data_key >> 32) * XXH_PRIME32_1;
-                 *
-                 * Avoid vmul_u32 + vshll_n_u32 since Clang 6 and 7 will
-                 * incorrectly "optimize" this:
-                 *   tmp     = vmul_u32(vmovn_u64(a), vmovn_u64(b));
-                 *   shifted = vshll_n_u32(tmp, 32);
-                 * to this:
-                 *   tmp     = "vmulq_u64"(a, b); // no such thing!
-                 *   shifted = vshlq_n_u64(tmp, 32);
-                 *
-                 * However, unlike SSE, Clang lacks a 64-bit multiply routine
-                 * for NEON, and it scalarizes two 64-bit multiplies instead.
-                 *
-                 * vmull_u32 has the same timing as vmul_u32, and it avoids
-                 * this bug completely.
-                 * See https://bugs.llvm.org/show_bug.cgi?id=39967
-                 */
-                uint64x2_t prod_hi = vmull_u32 (data_key_hi, prime);
-                /* xacc[i] = prod_hi << 32; */
-                xacc[i] = vshlq_n_u64(prod_hi, 32);
-                /* xacc[i] += (prod_hi & 0xFFFFFFFF) * XXH_PRIME32_1; */
-                xacc[i] = vmlal_u32(xacc[i], data_key_lo, prime);
-            }
-    }   }
-}
-
-#endif
-
-#if (XXH_VECTOR == XXH_VSX)
-
-XXH_FORCE_INLINE void
-XXH3_accumulate_512_vsx(  void* XXH_RESTRICT acc,
-                    const void* XXH_RESTRICT input,
-                    const void* XXH_RESTRICT secret)
-{
-    /* presumed aligned */
-    unsigned long long* const xacc = (unsigned long long*) acc;
-    xxh_u64x2 const* const xinput   = (xxh_u64x2 const*) input;   /* no alignment restriction */
-    xxh_u64x2 const* const xsecret  = (xxh_u64x2 const*) secret;    /* no alignment restriction */
-    xxh_u64x2 const v32 = { 32, 32 };
-    size_t i;
-    for (i = 0; i < XXH_STRIPE_LEN / sizeof(xxh_u64x2); i++) {
-        /* data_vec = xinput[i]; */
-        xxh_u64x2 const data_vec = XXH_vec_loadu(xinput + i);
-        /* key_vec = xsecret[i]; */
-        xxh_u64x2 const key_vec  = XXH_vec_loadu(xsecret + i);
-        xxh_u64x2 const data_key = data_vec ^ key_vec;
-        /* shuffled = (data_key << 32) | (data_key >> 32); */
-        xxh_u32x4 const shuffled = (xxh_u32x4)vec_rl(data_key, v32);
-        /* product = ((xxh_u64x2)data_key & 0xFFFFFFFF) * ((xxh_u64x2)shuffled & 0xFFFFFFFF); */
-        xxh_u64x2 const product  = XXH_vec_mulo((xxh_u32x4)data_key, shuffled);
-        /* acc_vec = xacc[i]; */
-        xxh_u64x2 acc_vec        = vec_xl(0, xacc + 2 * i);
-        acc_vec += product;
-
-        /* swap high and low halves */
-#ifdef __s390x__
-        acc_vec += vec_permi(data_vec, data_vec, 2);
-#else
-        acc_vec += vec_xxpermdi(data_vec, data_vec, 2);
-#endif
-        /* xacc[i] = acc_vec; */
-        vec_xst(acc_vec, 0, xacc + 2 * i);
-    }
-}
-
-XXH_FORCE_INLINE void
-XXH3_scrambleAcc_vsx(void* XXH_RESTRICT acc, const void* XXH_RESTRICT secret)
-{
-    XXH_ASSERT((((size_t)acc) & 15) == 0);
-
-    {         xxh_u64x2* const xacc    =       (xxh_u64x2*) acc;
-        const xxh_u64x2* const xsecret = (const xxh_u64x2*) secret;
-        /* constants */
-        xxh_u64x2 const v32  = { 32, 32 };
-        xxh_u64x2 const v47 = { 47, 47 };
-        xxh_u32x4 const prime = { XXH_PRIME32_1, XXH_PRIME32_1, XXH_PRIME32_1, XXH_PRIME32_1 };
-        size_t i;
-        for (i = 0; i < XXH_STRIPE_LEN / sizeof(xxh_u64x2); i++) {
-            /* xacc[i] ^= (xacc[i] >> 47); */
-            xxh_u64x2 const acc_vec  = xacc[i];
-            xxh_u64x2 const data_vec = acc_vec ^ (acc_vec >> v47);
-
-            /* xacc[i] ^= xsecret[i]; */
-            xxh_u64x2 const key_vec  = XXH_vec_loadu(xsecret + i);
-            xxh_u64x2 const data_key = data_vec ^ key_vec;
-
-            /* xacc[i] *= XXH_PRIME32_1 */
-            /* prod_lo = ((xxh_u64x2)data_key & 0xFFFFFFFF) * ((xxh_u64x2)prime & 0xFFFFFFFF);  */
-            xxh_u64x2 const prod_even  = XXH_vec_mule((xxh_u32x4)data_key, prime);
-            /* prod_hi = ((xxh_u64x2)data_key >> 32) * ((xxh_u64x2)prime >> 32);  */
-            xxh_u64x2 const prod_odd  = XXH_vec_mulo((xxh_u32x4)data_key, prime);
-            xacc[i] = prod_odd + (prod_even << v32);
-    }   }
-}
-
-#endif
-
-/* scalar variants - universal */
-
-XXH_FORCE_INLINE void
-XXH3_accumulate_512_scalar(void* XXH_RESTRICT acc,
-                     const void* XXH_RESTRICT input,
-                     const void* XXH_RESTRICT secret)
-{
-    xxh_u64* const xacc = (xxh_u64*) acc; /* presumed aligned */
-    const xxh_u8* const xinput  = (const xxh_u8*) input;  /* no alignment restriction */
-    const xxh_u8* const xsecret = (const xxh_u8*) secret;   /* no alignment restriction */
-    size_t i;
-    XXH_ASSERT(((size_t)acc & (XXH_ACC_ALIGN-1)) == 0);
-    for (i=0; i < XXH_ACC_NB; i++) {
-        xxh_u64 const data_val = XXH_readLE64(xinput + 8*i);
-        xxh_u64 const data_key = data_val ^ XXH_readLE64(xsecret + i*8);
-        xacc[i ^ 1] += data_val; /* swap adjacent lanes */
-        xacc[i] += XXH_mult32to64(data_key & 0xFFFFFFFF, data_key >> 32);
-    }
-}
-
-XXH_FORCE_INLINE void
-XXH3_scrambleAcc_scalar(void* XXH_RESTRICT acc, const void* XXH_RESTRICT secret)
-{
-    xxh_u64* const xacc = (xxh_u64*) acc;   /* presumed aligned */
-    const xxh_u8* const xsecret = (const xxh_u8*) secret;   /* no alignment restriction */
-    size_t i;
-    XXH_ASSERT((((size_t)acc) & (XXH_ACC_ALIGN-1)) == 0);
-    for (i=0; i < XXH_ACC_NB; i++) {
-        xxh_u64 const key64 = XXH_readLE64(xsecret + 8*i);
-        xxh_u64 acc64 = xacc[i];
-        acc64 = XXH_xorshift64(acc64, 47);
-        acc64 ^= key64;
-        acc64 *= XXH_PRIME32_1;
-        xacc[i] = acc64;
-    }
-}
-
-XXH_FORCE_INLINE void
-XXH3_initCustomSecret_scalar(void* XXH_RESTRICT customSecret, xxh_u64 seed64)
-{
-    /*
-     * We need a separate pointer for the hack below,
-     * which requires a non-const pointer.
-     * Any decent compiler will optimize this out otherwise.
-     */
-    const xxh_u8* kSecretPtr = XXH3_kSecret;
-    XXH_STATIC_ASSERT((XXH_SECRET_DEFAULT_SIZE & 15) == 0);
-
-#if defined(__clang__) && defined(__aarch64__)
-    /*
-     * UGLY HACK:
-     * Clang generates a bunch of MOV/MOVK pairs for aarch64, and they are
-     * placed sequentially, in order, at the top of the unrolled loop.
-     *
-     * While MOVK is great for generating constants (2 cycles for a 64-bit
-     * constant compared to 4 cycles for LDR), long MOVK chains stall the
-     * integer pipelines:
-     *   I   L   S
-     * MOVK
-     * MOVK
-     * MOVK
-     * MOVK
-     * ADD
-     * SUB      STR
-     *          STR
-     * By forcing loads from memory (as the asm line causes Clang to assume
-     * that XXH3_kSecretPtr has been changed), the pipelines are used more
-     * efficiently:
-     *   I   L   S
-     *      LDR
-     *  ADD LDR
-     *  SUB     STR
-     *          STR
-     * XXH3_64bits_withSeed, len == 256, Snapdragon 835
-     *   without hack: 2654.4 MB/s
-     *   with hack:    3202.9 MB/s
-     */
-    XXH_COMPILER_GUARD(kSecretPtr);
-#endif
-    /*
-     * Note: in debug mode, this overrides the asm optimization
-     * and Clang will emit MOVK chains again.
-     */
-    XXH_ASSERT(kSecretPtr == XXH3_kSecret);
-
-    {   int const nbRounds = XXH_SECRET_DEFAULT_SIZE / 16;
-        int i;
-        for (i=0; i < nbRounds; i++) {
-            /*
-             * The asm hack causes Clang to assume that kSecretPtr aliases with
-             * customSecret, and on aarch64, this prevented LDP from merging two
-             * loads together for free. Putting the loads together before the stores
-             * properly generates LDP.
-             */
-            xxh_u64 lo = XXH_readLE64(kSecretPtr + 16*i)     + seed64;
-            xxh_u64 hi = XXH_readLE64(kSecretPtr + 16*i + 8) - seed64;
-            XXH_writeLE64((xxh_u8*)customSecret + 16*i,     lo);
-            XXH_writeLE64((xxh_u8*)customSecret + 16*i + 8, hi);
-    }   }
-}
-
-
-typedef void (*XXH3_f_accumulate_512)(void* XXH_RESTRICT, const void*, const void*);
-typedef void (*XXH3_f_scrambleAcc)(void* XXH_RESTRICT, const void*);
-typedef void (*XXH3_f_initCustomSecret)(void* XXH_RESTRICT, xxh_u64);
-
-
-#if (XXH_VECTOR == XXH_AVX512)
-
-#define XXH3_accumulate_512 XXH3_accumulate_512_avx512
-#define XXH3_scrambleAcc    XXH3_scrambleAcc_avx512
-#define XXH3_initCustomSecret XXH3_initCustomSecret_avx512
-
-#elif (XXH_VECTOR == XXH_AVX2)
-
-#define XXH3_accumulate_512 XXH3_accumulate_512_avx2
-#define XXH3_scrambleAcc    XXH3_scrambleAcc_avx2
-#define XXH3_initCustomSecret XXH3_initCustomSecret_avx2
-
-#elif (XXH_VECTOR == XXH_SSE2)
-
-#define XXH3_accumulate_512 XXH3_accumulate_512_sse2
-#define XXH3_scrambleAcc    XXH3_scrambleAcc_sse2
-#define XXH3_initCustomSecret XXH3_initCustomSecret_sse2
-
-#elif (XXH_VECTOR == XXH_NEON)
-
-#define XXH3_accumulate_512 XXH3_accumulate_512_neon
-#define XXH3_scrambleAcc    XXH3_scrambleAcc_neon
-#define XXH3_initCustomSecret XXH3_initCustomSecret_scalar
-
-#elif (XXH_VECTOR == XXH_VSX)
-
-#define XXH3_accumulate_512 XXH3_accumulate_512_vsx
-#define XXH3_scrambleAcc    XXH3_scrambleAcc_vsx
-#define XXH3_initCustomSecret XXH3_initCustomSecret_scalar
-
-#else /* scalar */
-
-#define XXH3_accumulate_512 XXH3_accumulate_512_scalar
-#define XXH3_scrambleAcc    XXH3_scrambleAcc_scalar
-#define XXH3_initCustomSecret XXH3_initCustomSecret_scalar
-
-#endif
-
-
-
-#ifndef XXH_PREFETCH_DIST
-#  ifdef __clang__
-#    define XXH_PREFETCH_DIST 320
-#  else
-#    if (XXH_VECTOR == XXH_AVX512)
-#      define XXH_PREFETCH_DIST 512
-#    else
-#      define XXH_PREFETCH_DIST 384
-#    endif
-#  endif  /* __clang__ */
-#endif  /* XXH_PREFETCH_DIST */
-
-/*
- * XXH3_accumulate()
- * Loops over XXH3_accumulate_512().
- * Assumption: nbStripes will not overflow the secret size
- */
-XXH_FORCE_INLINE void
-XXH3_accumulate(     xxh_u64* XXH_RESTRICT acc,
-                const xxh_u8* XXH_RESTRICT input,
-                const xxh_u8* XXH_RESTRICT secret,
-                      size_t nbStripes,
-                      XXH3_f_accumulate_512 f_acc512)
-{
-    size_t n;
-    for (n = 0; n < nbStripes; n++ ) {
-        const xxh_u8* const in = input + n*XXH_STRIPE_LEN;
-        XXH_PREFETCH(in + XXH_PREFETCH_DIST);
-        f_acc512(acc,
-                 in,
-                 secret + n*XXH_SECRET_CONSUME_RATE);
-    }
-}
-
-XXH_FORCE_INLINE void
-XXH3_hashLong_internal_loop(xxh_u64* XXH_RESTRICT acc,
-                      const xxh_u8* XXH_RESTRICT input, size_t len,
-                      const xxh_u8* XXH_RESTRICT secret, size_t secretSize,
-                            XXH3_f_accumulate_512 f_acc512,
-                            XXH3_f_scrambleAcc f_scramble)
-{
-    size_t const nbStripesPerBlock = (secretSize - XXH_STRIPE_LEN) / XXH_SECRET_CONSUME_RATE;
-    size_t const block_len = XXH_STRIPE_LEN * nbStripesPerBlock;
-    size_t const nb_blocks = (len - 1) / block_len;
-
-    size_t n;
-
-    XXH_ASSERT(secretSize >= XXH3_SECRET_SIZE_MIN);
-
-    for (n = 0; n < nb_blocks; n++) {
-        XXH3_accumulate(acc, input + n*block_len, secret, nbStripesPerBlock, f_acc512);
-        f_scramble(acc, secret + secretSize - XXH_STRIPE_LEN);
-    }
-
-    /* last partial block */
-    XXH_ASSERT(len > XXH_STRIPE_LEN);
-    {   size_t const nbStripes = ((len - 1) - (block_len * nb_blocks)) / XXH_STRIPE_LEN;
-        XXH_ASSERT(nbStripes <= (secretSize / XXH_SECRET_CONSUME_RATE));
-        XXH3_accumulate(acc, input + nb_blocks*block_len, secret, nbStripes, f_acc512);
-
-        /* last stripe */
-        {   const xxh_u8* const p = input + len - XXH_STRIPE_LEN;
-#define XXH_SECRET_LASTACC_START 7  /* not aligned on 8, last secret is different from acc & scrambler */
-            f_acc512(acc, p, secret + secretSize - XXH_STRIPE_LEN - XXH_SECRET_LASTACC_START);
-    }   }
-}
-
-XXH_FORCE_INLINE xxh_u64
-XXH3_mix2Accs(const xxh_u64* XXH_RESTRICT acc, const xxh_u8* XXH_RESTRICT secret)
-{
-    return XXH3_mul128_fold64(
-               acc[0] ^ XXH_readLE64(secret),
-               acc[1] ^ XXH_readLE64(secret+8) );
-}
-
-static XXH64_hash_t
-XXH3_mergeAccs(const xxh_u64* XXH_RESTRICT acc, const xxh_u8* XXH_RESTRICT secret, xxh_u64 start)
-{
-    xxh_u64 result64 = start;
-    size_t i = 0;
-
-    for (i = 0; i < 4; i++) {
-        result64 += XXH3_mix2Accs(acc+2*i, secret + 16*i);
-#if defined(__clang__)                                /* Clang */ \
-    && (defined(__arm__) || defined(__thumb__))       /* ARMv7 */ \
-    && (defined(__ARM_NEON) || defined(__ARM_NEON__)) /* NEON */  \
-    && !defined(XXH_ENABLE_AUTOVECTORIZE)             /* Define to disable */
-        /*
-         * UGLY HACK:
-         * Prevent autovectorization on Clang ARMv7-a. Exact same problem as
-         * the one in XXH3_len_129to240_64b. Speeds up shorter keys > 240b.
-         * XXH3_64bits, len == 256, Snapdragon 835:
-         *   without hack: 2063.7 MB/s
-         *   with hack:    2560.7 MB/s
-         */
-        XXH_COMPILER_GUARD(result64);
-#endif
-    }
-
-    return XXH3_avalanche(result64);
-}
-
-#define XXH3_INIT_ACC { XXH_PRIME32_3, XXH_PRIME64_1, XXH_PRIME64_2, XXH_PRIME64_3, \
-                        XXH_PRIME64_4, XXH_PRIME32_2, XXH_PRIME64_5, XXH_PRIME32_1 }
-
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_hashLong_64b_internal(const void* XXH_RESTRICT input, size_t len,
-                           const void* XXH_RESTRICT secret, size_t secretSize,
-                           XXH3_f_accumulate_512 f_acc512,
-                           XXH3_f_scrambleAcc f_scramble)
-{
-    XXH_ALIGN(XXH_ACC_ALIGN) xxh_u64 acc[XXH_ACC_NB] = XXH3_INIT_ACC;
-
-    XXH3_hashLong_internal_loop(acc, (const xxh_u8*)input, len, (const xxh_u8*)secret, secretSize, f_acc512, f_scramble);
-
-    /* converge into final hash */
-    XXH_STATIC_ASSERT(sizeof(acc) == 64);
-    /* do not align on 8, so that the secret is different from the accumulator */
-#define XXH_SECRET_MERGEACCS_START 11
-    XXH_ASSERT(secretSize >= sizeof(acc) + XXH_SECRET_MERGEACCS_START);
-    return XXH3_mergeAccs(acc, (const xxh_u8*)secret + XXH_SECRET_MERGEACCS_START, (xxh_u64)len * XXH_PRIME64_1);
-}
-
-/*
- * It's important for performance to transmit secret's size (when it's static)
- * so that the compiler can properly optimize the vectorized loop.
- * This makes a big performance difference for "medium" keys (<1 KB) when using AVX instruction set.
- */
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_hashLong_64b_withSecret(const void* XXH_RESTRICT input, size_t len,
-                             XXH64_hash_t seed64, const xxh_u8* XXH_RESTRICT secret, size_t secretLen)
-{
-    (void)seed64;
-    return XXH3_hashLong_64b_internal(input, len, secret, secretLen, XXH3_accumulate_512, XXH3_scrambleAcc);
-}
-
-/*
- * It's preferable for performance that XXH3_hashLong is not inlined,
- * as it results in a smaller function for small data, easier to the instruction cache.
- * Note that inside this no_inline function, we do inline the internal loop,
- * and provide a statically defined secret size to allow optimization of vector loop.
- */
-XXH_NO_INLINE XXH64_hash_t
-XXH3_hashLong_64b_default(const void* XXH_RESTRICT input, size_t len,
-                          XXH64_hash_t seed64, const xxh_u8* XXH_RESTRICT secret, size_t secretLen)
-{
-    (void)seed64; (void)secret; (void)secretLen;
-    return XXH3_hashLong_64b_internal(input, len, XXH3_kSecret, sizeof(XXH3_kSecret), XXH3_accumulate_512, XXH3_scrambleAcc);
-}
-
-/*
- * XXH3_hashLong_64b_withSeed():
- * Generate a custom key based on alteration of default XXH3_kSecret with the seed,
- * and then use this key for long mode hashing.
- *
- * This operation is decently fast but nonetheless costs a little bit of time.
- * Try to avoid it whenever possible (typically when seed==0).
- *
- * It's important for performance that XXH3_hashLong is not inlined. Not sure
- * why (uop cache maybe?), but the difference is large and easily measurable.
- */
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_hashLong_64b_withSeed_internal(const void* input, size_t len,
-                                    XXH64_hash_t seed,
-                                    XXH3_f_accumulate_512 f_acc512,
-                                    XXH3_f_scrambleAcc f_scramble,
-                                    XXH3_f_initCustomSecret f_initSec)
-{
-    if (seed == 0)
-        return XXH3_hashLong_64b_internal(input, len,
-                                          XXH3_kSecret, sizeof(XXH3_kSecret),
-                                          f_acc512, f_scramble);
-    {   XXH_ALIGN(XXH_SEC_ALIGN) xxh_u8 secret[XXH_SECRET_DEFAULT_SIZE];
-        f_initSec(secret, seed);
-        return XXH3_hashLong_64b_internal(input, len, secret, sizeof(secret),
-                                          f_acc512, f_scramble);
-    }
-}
-
-/*
- * It's important for performance that XXH3_hashLong is not inlined.
- */
-XXH_NO_INLINE XXH64_hash_t
-XXH3_hashLong_64b_withSeed(const void* input, size_t len,
-                           XXH64_hash_t seed, const xxh_u8* secret, size_t secretLen)
-{
-    (void)secret; (void)secretLen;
-    return XXH3_hashLong_64b_withSeed_internal(input, len, seed,
-                XXH3_accumulate_512, XXH3_scrambleAcc, XXH3_initCustomSecret);
-}
-
-
-typedef XXH64_hash_t (*XXH3_hashLong64_f)(const void* XXH_RESTRICT, size_t,
-                                          XXH64_hash_t, const xxh_u8* XXH_RESTRICT, size_t);
-
-XXH_FORCE_INLINE XXH64_hash_t
-XXH3_64bits_internal(const void* XXH_RESTRICT input, size_t len,
-                     XXH64_hash_t seed64, const void* XXH_RESTRICT secret, size_t secretLen,
-                     XXH3_hashLong64_f f_hashLong)
-{
-    XXH_ASSERT(secretLen >= XXH3_SECRET_SIZE_MIN);
-    /*
-     * If an action is to be taken if `secretLen` condition is not respected,
-     * it should be done here.
-     * For now, it's a contract pre-condition.
-     * Adding a check and a branch here would cost performance at every hash.
-     * Also, note that function signature doesn't offer room to return an error.
-     */
-    if (len <= 16)
-        return XXH3_len_0to16_64b((const xxh_u8*)input, len, (const xxh_u8*)secret, seed64);
-    if (len <= 128)
-        return XXH3_len_17to128_64b((const xxh_u8*)input, len, (const xxh_u8*)secret, secretLen, seed64);
-    if (len <= XXH3_MIDSIZE_MAX)
-        return XXH3_len_129to240_64b((const xxh_u8*)input, len, (const xxh_u8*)secret, secretLen, seed64);
-    return f_hashLong(input, len, seed64, (const xxh_u8*)secret, secretLen);
-}
-
-
-/* ===   Public entry point   === */
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH64_hash_t XXH3_64bits(const void* input, size_t len)
-{
-    return XXH3_64bits_internal(input, len, 0, XXH3_kSecret, sizeof(XXH3_kSecret), XXH3_hashLong_64b_default);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH64_hash_t
-XXH3_64bits_withSecret(const void* input, size_t len, const void* secret, size_t secretSize)
-{
-    return XXH3_64bits_internal(input, len, 0, secret, secretSize, XXH3_hashLong_64b_withSecret);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH64_hash_t
-XXH3_64bits_withSeed(const void* input, size_t len, XXH64_hash_t seed)
-{
-    return XXH3_64bits_internal(input, len, seed, XXH3_kSecret, sizeof(XXH3_kSecret), XXH3_hashLong_64b_withSeed);
-}
-
-XXH_PUBLIC_API XXH64_hash_t
-XXH3_64bits_withSecretandSeed(const void* input, size_t len, const void* secret, size_t secretSize, XXH64_hash_t seed)
-{
-    if (len <= XXH3_MIDSIZE_MAX)
-        return XXH3_64bits_internal(input, len, seed, XXH3_kSecret, sizeof(XXH3_kSecret), NULL);
-    return XXH3_hashLong_64b_withSecret(input, len, seed, (const xxh_u8*)secret, secretSize);
-}
-
-
-/* ===   XXH3 streaming   === */
-
-/*
- * Malloc's a pointer that is always aligned to align.
- *
- * This must be freed with `XXH_alignedFree()`.
- *
- * malloc typically guarantees 16 byte alignment on 64-bit systems and 8 byte
- * alignment on 32-bit. This isn't enough for the 32 byte aligned loads in AVX2
- * or on 32-bit, the 16 byte aligned loads in SSE2 and NEON.
- *
- * This underalignment previously caused a rather obvious crash which went
- * completely unnoticed due to XXH3_createState() not actually being tested.
- * Credit to RedSpah for noticing this bug.
- *
- * The alignment is done manually: Functions like posix_memalign or _mm_malloc
- * are avoided: To maintain portability, we would have to write a fallback
- * like this anyways, and besides, testing for the existence of library
- * functions without relying on external build tools is impossible.
- *
- * The method is simple: Overallocate, manually align, and store the offset
- * to the original behind the returned pointer.
- *
- * Align must be a power of 2 and 8 <= align <= 128.
- */
-static void* XXH_alignedMalloc(size_t s, size_t align)
-{
-    XXH_ASSERT(align <= 128 && align >= 8); /* range check */
-    XXH_ASSERT((align & (align-1)) == 0);   /* power of 2 */
-    XXH_ASSERT(s != 0 && s < (s + align));  /* empty/overflow */
-    {   /* Overallocate to make room for manual realignment and an offset byte */
-        xxh_u8* base = (xxh_u8*)XXH_malloc(s + align);
-        if (base != NULL) {
-            /*
-             * Get the offset needed to align this pointer.
-             *
-             * Even if the returned pointer is aligned, there will always be
-             * at least one byte to store the offset to the original pointer.
-             */
-            size_t offset = align - ((size_t)base & (align - 1)); /* base % align */
-            /* Add the offset for the now-aligned pointer */
-            xxh_u8* ptr = base + offset;
-
-            XXH_ASSERT((size_t)ptr % align == 0);
-
-            /* Store the offset immediately before the returned pointer. */
-            ptr[-1] = (xxh_u8)offset;
-            return ptr;
-        }
-        return NULL;
-    }
-}
-/*
- * Frees an aligned pointer allocated by XXH_alignedMalloc(). Don't pass
- * normal malloc'd pointers, XXH_alignedMalloc has a specific data layout.
- */
-static void XXH_alignedFree(void* p)
-{
-    if (p != NULL) {
-        xxh_u8* ptr = (xxh_u8*)p;
-        /* Get the offset byte we added in XXH_malloc. */
-        xxh_u8 offset = ptr[-1];
-        /* Free the original malloc'd pointer */
-        xxh_u8* base = ptr - offset;
-        XXH_free(base);
-    }
-}
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH3_state_t* XXH3_createState(void)
-{
-    XXH3_state_t* const state = (XXH3_state_t*)XXH_alignedMalloc(sizeof(XXH3_state_t), 64);
-    if (state==NULL) return NULL;
-    XXH3_INITSTATE(state);
-    return state;
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode XXH3_freeState(XXH3_state_t* statePtr)
-{
-    XXH_alignedFree(statePtr);
-    return XXH_OK;
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API void
-XXH3_copyState(XXH3_state_t* dst_state, const XXH3_state_t* src_state)
-{
-    XXH_memcpy(dst_state, src_state, sizeof(*dst_state));
-}
-
-static void
-XXH3_reset_internal(XXH3_state_t* statePtr,
-                    XXH64_hash_t seed,
-                    const void* secret, size_t secretSize)
-{
-    size_t const initStart = offsetof(XXH3_state_t, bufferedSize);
-    size_t const initLength = offsetof(XXH3_state_t, nbStripesPerBlock) - initStart;
-    XXH_ASSERT(offsetof(XXH3_state_t, nbStripesPerBlock) > initStart);
-    XXH_ASSERT(statePtr != NULL);
-    /* set members from bufferedSize to nbStripesPerBlock (excluded) to 0 */
-    memset((char*)statePtr + initStart, 0, initLength);
-    statePtr->acc[0] = XXH_PRIME32_3;
-    statePtr->acc[1] = XXH_PRIME64_1;
-    statePtr->acc[2] = XXH_PRIME64_2;
-    statePtr->acc[3] = XXH_PRIME64_3;
-    statePtr->acc[4] = XXH_PRIME64_4;
-    statePtr->acc[5] = XXH_PRIME32_2;
-    statePtr->acc[6] = XXH_PRIME64_5;
-    statePtr->acc[7] = XXH_PRIME32_1;
-    statePtr->seed = seed;
-    statePtr->useSeed = (seed != 0);
-    statePtr->extSecret = (const unsigned char*)secret;
-    XXH_ASSERT(secretSize >= XXH3_SECRET_SIZE_MIN);
-    statePtr->secretLimit = secretSize - XXH_STRIPE_LEN;
-    statePtr->nbStripesPerBlock = statePtr->secretLimit / XXH_SECRET_CONSUME_RATE;
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_64bits_reset(XXH3_state_t* statePtr)
-{
-    if (statePtr == NULL) return XXH_ERROR;
-    XXH3_reset_internal(statePtr, 0, XXH3_kSecret, XXH_SECRET_DEFAULT_SIZE);
-    return XXH_OK;
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_64bits_reset_withSecret(XXH3_state_t* statePtr, const void* secret, size_t secretSize)
-{
-    if (statePtr == NULL) return XXH_ERROR;
-    XXH3_reset_internal(statePtr, 0, secret, secretSize);
-    if (secret == NULL) return XXH_ERROR;
-    if (secretSize < XXH3_SECRET_SIZE_MIN) return XXH_ERROR;
-    return XXH_OK;
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_64bits_reset_withSeed(XXH3_state_t* statePtr, XXH64_hash_t seed)
-{
-    if (statePtr == NULL) return XXH_ERROR;
-    if (seed==0) return XXH3_64bits_reset(statePtr);
-    if ((seed != statePtr->seed) || (statePtr->extSecret != NULL))
-        XXH3_initCustomSecret(statePtr->customSecret, seed);
-    XXH3_reset_internal(statePtr, seed, NULL, XXH_SECRET_DEFAULT_SIZE);
-    return XXH_OK;
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_64bits_reset_withSecretandSeed(XXH3_state_t* statePtr, const void* secret, size_t secretSize, XXH64_hash_t seed64)
-{
-    if (statePtr == NULL) return XXH_ERROR;
-    if (secret == NULL) return XXH_ERROR;
-    if (secretSize < XXH3_SECRET_SIZE_MIN) return XXH_ERROR;
-    XXH3_reset_internal(statePtr, seed64, secret, secretSize);
-    statePtr->useSeed = 1; /* always, even if seed64==0 */
-    return XXH_OK;
-}
-
-/* Note : when XXH3_consumeStripes() is invoked,
- * there must be a guarantee that at least one more byte must be consumed from input
- * so that the function can blindly consume all stripes using the "normal" secret segment */
-XXH_FORCE_INLINE void
-XXH3_consumeStripes(xxh_u64* XXH_RESTRICT acc,
-                    size_t* XXH_RESTRICT nbStripesSoFarPtr, size_t nbStripesPerBlock,
-                    const xxh_u8* XXH_RESTRICT input, size_t nbStripes,
-                    const xxh_u8* XXH_RESTRICT secret, size_t secretLimit,
-                    XXH3_f_accumulate_512 f_acc512,
-                    XXH3_f_scrambleAcc f_scramble)
-{
-    XXH_ASSERT(nbStripes <= nbStripesPerBlock);  /* can handle max 1 scramble per invocation */
-    XXH_ASSERT(*nbStripesSoFarPtr < nbStripesPerBlock);
-    if (nbStripesPerBlock - *nbStripesSoFarPtr <= nbStripes) {
-        /* need a scrambling operation */
-        size_t const nbStripesToEndofBlock = nbStripesPerBlock - *nbStripesSoFarPtr;
-        size_t const nbStripesAfterBlock = nbStripes - nbStripesToEndofBlock;
-        XXH3_accumulate(acc, input, secret + nbStripesSoFarPtr[0] * XXH_SECRET_CONSUME_RATE, nbStripesToEndofBlock, f_acc512);
-        f_scramble(acc, secret + secretLimit);
-        XXH3_accumulate(acc, input + nbStripesToEndofBlock * XXH_STRIPE_LEN, secret, nbStripesAfterBlock, f_acc512);
-        *nbStripesSoFarPtr = nbStripesAfterBlock;
-    } else {
-        XXH3_accumulate(acc, input, secret + nbStripesSoFarPtr[0] * XXH_SECRET_CONSUME_RATE, nbStripes, f_acc512);
-        *nbStripesSoFarPtr += nbStripes;
-    }
-}
-
-#ifndef XXH3_STREAM_USE_STACK
-# ifndef __clang__ /* clang doesn't need additional stack space */
-#   define XXH3_STREAM_USE_STACK 1
-# endif
-#endif
-/*
- * Both XXH3_64bits_update and XXH3_128bits_update use this routine.
- */
-XXH_FORCE_INLINE XXH_errorcode
-XXH3_update(XXH3_state_t* XXH_RESTRICT const state,
-            const xxh_u8* XXH_RESTRICT input, size_t len,
-            XXH3_f_accumulate_512 f_acc512,
-            XXH3_f_scrambleAcc f_scramble)
-{
-    if (input==NULL) {
-        XXH_ASSERT(len == 0);
-        return XXH_OK;
-    }
-
-    XXH_ASSERT(state != NULL);
-    {   const xxh_u8* const bEnd = input + len;
-        const unsigned char* const secret = (state->extSecret == NULL) ? state->customSecret : state->extSecret;
-#if defined(XXH3_STREAM_USE_STACK) && XXH3_STREAM_USE_STACK >= 1
-        /* For some reason, gcc and MSVC seem to suffer greatly
-         * when operating accumulators directly into state.
-         * Operating into stack space seems to enable proper optimization.
-         * clang, on the other hand, doesn't seem to need this trick */
-        XXH_ALIGN(XXH_ACC_ALIGN) xxh_u64 acc[8]; memcpy(acc, state->acc, sizeof(acc));
-#else
-        xxh_u64* XXH_RESTRICT const acc = state->acc;
-#endif
-        state->totalLen += len;
-        XXH_ASSERT(state->bufferedSize <= XXH3_INTERNALBUFFER_SIZE);
-
-        /* small input : just fill in tmp buffer */
-        if (state->bufferedSize + len <= XXH3_INTERNALBUFFER_SIZE) {
-            XXH_memcpy(state->buffer + state->bufferedSize, input, len);
-            state->bufferedSize += (XXH32_hash_t)len;
-            return XXH_OK;
-        }
-
-        /* total input is now > XXH3_INTERNALBUFFER_SIZE */
-        #define XXH3_INTERNALBUFFER_STRIPES (XXH3_INTERNALBUFFER_SIZE / XXH_STRIPE_LEN)
-        XXH_STATIC_ASSERT(XXH3_INTERNALBUFFER_SIZE % XXH_STRIPE_LEN == 0);   /* clean multiple */
-
-        /*
-         * Internal buffer is partially filled (always, except at beginning)
-         * Complete it, then consume it.
-         */
-        if (state->bufferedSize) {
-            size_t const loadSize = XXH3_INTERNALBUFFER_SIZE - state->bufferedSize;
-            XXH_memcpy(state->buffer + state->bufferedSize, input, loadSize);
-            input += loadSize;
-            XXH3_consumeStripes(acc,
-                               &state->nbStripesSoFar, state->nbStripesPerBlock,
-                                state->buffer, XXH3_INTERNALBUFFER_STRIPES,
-                                secret, state->secretLimit,
-                                f_acc512, f_scramble);
-            state->bufferedSize = 0;
-        }
-        XXH_ASSERT(input < bEnd);
-
-        /* large input to consume : ingest per full block */
-        if ((size_t)(bEnd - input) > state->nbStripesPerBlock * XXH_STRIPE_LEN) {
-            size_t nbStripes = (size_t)(bEnd - 1 - input) / XXH_STRIPE_LEN;
-            XXH_ASSERT(state->nbStripesPerBlock >= state->nbStripesSoFar);
-            /* join to current block's end */
-            {   size_t const nbStripesToEnd = state->nbStripesPerBlock - state->nbStripesSoFar;
-                XXH_ASSERT(nbStripes <= nbStripes);
-                XXH3_accumulate(acc, input, secret + state->nbStripesSoFar * XXH_SECRET_CONSUME_RATE, nbStripesToEnd, f_acc512);
-                f_scramble(acc, secret + state->secretLimit);
-                state->nbStripesSoFar = 0;
-                input += nbStripesToEnd * XXH_STRIPE_LEN;
-                nbStripes -= nbStripesToEnd;
-            }
-            /* consume per entire blocks */
-            while(nbStripes >= state->nbStripesPerBlock) {
-                XXH3_accumulate(acc, input, secret, state->nbStripesPerBlock, f_acc512);
-                f_scramble(acc, secret + state->secretLimit);
-                input += state->nbStripesPerBlock * XXH_STRIPE_LEN;
-                nbStripes -= state->nbStripesPerBlock;
-            }
-            /* consume last partial block */
-            XXH3_accumulate(acc, input, secret, nbStripes, f_acc512);
-            input += nbStripes * XXH_STRIPE_LEN;
-            XXH_ASSERT(input < bEnd);  /* at least some bytes left */
-            state->nbStripesSoFar = nbStripes;
-            /* buffer predecessor of last partial stripe */
-            XXH_memcpy(state->buffer + sizeof(state->buffer) - XXH_STRIPE_LEN, input - XXH_STRIPE_LEN, XXH_STRIPE_LEN);
-            XXH_ASSERT(bEnd - input <= XXH_STRIPE_LEN);
-        } else {
-            /* content to consume <= block size */
-            /* Consume input by a multiple of internal buffer size */
-            if (bEnd - input > XXH3_INTERNALBUFFER_SIZE) {
-                const xxh_u8* const limit = bEnd - XXH3_INTERNALBUFFER_SIZE;
-                do {
-                    XXH3_consumeStripes(acc,
-                                       &state->nbStripesSoFar, state->nbStripesPerBlock,
-                                        input, XXH3_INTERNALBUFFER_STRIPES,
-                                        secret, state->secretLimit,
-                                        f_acc512, f_scramble);
-                    input += XXH3_INTERNALBUFFER_SIZE;
-                } while (input<limit);
-                /* buffer predecessor of last partial stripe */
-                XXH_memcpy(state->buffer + sizeof(state->buffer) - XXH_STRIPE_LEN, input - XXH_STRIPE_LEN, XXH_STRIPE_LEN);
-            }
-        }
-
-        /* Some remaining input (always) : buffer it */
-        XXH_ASSERT(input < bEnd);
-        XXH_ASSERT(bEnd - input <= XXH3_INTERNALBUFFER_SIZE);
-        XXH_ASSERT(state->bufferedSize == 0);
-        XXH_memcpy(state->buffer, input, (size_t)(bEnd-input));
-        state->bufferedSize = (XXH32_hash_t)(bEnd-input);
-#if defined(XXH3_STREAM_USE_STACK) && XXH3_STREAM_USE_STACK >= 1
-        /* save stack accumulators into state */
-        memcpy(state->acc, acc, sizeof(acc));
-#endif
-    }
-
-    return XXH_OK;
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_64bits_update(XXH3_state_t* state, const void* input, size_t len)
-{
-    return XXH3_update(state, (const xxh_u8*)input, len,
-                       XXH3_accumulate_512, XXH3_scrambleAcc);
-}
-
-
-XXH_FORCE_INLINE void
-XXH3_digest_long (XXH64_hash_t* acc,
-                  const XXH3_state_t* state,
-                  const unsigned char* secret)
-{
-    /*
-     * Digest on a local copy. This way, the state remains unaltered, and it can
-     * continue ingesting more input afterwards.
-     */
-    XXH_memcpy(acc, state->acc, sizeof(state->acc));
-    if (state->bufferedSize >= XXH_STRIPE_LEN) {
-        size_t const nbStripes = (state->bufferedSize - 1) / XXH_STRIPE_LEN;
-        size_t nbStripesSoFar = state->nbStripesSoFar;
-        XXH3_consumeStripes(acc,
-                           &nbStripesSoFar, state->nbStripesPerBlock,
-                            state->buffer, nbStripes,
-                            secret, state->secretLimit,
-                            XXH3_accumulate_512, XXH3_scrambleAcc);
-        /* last stripe */
-        XXH3_accumulate_512(acc,
-                            state->buffer + state->bufferedSize - XXH_STRIPE_LEN,
-                            secret + state->secretLimit - XXH_SECRET_LASTACC_START);
-    } else {  /* bufferedSize < XXH_STRIPE_LEN */
-        xxh_u8 lastStripe[XXH_STRIPE_LEN];
-        size_t const catchupSize = XXH_STRIPE_LEN - state->bufferedSize;
-        XXH_ASSERT(state->bufferedSize > 0);  /* there is always some input buffered */
-        XXH_memcpy(lastStripe, state->buffer + sizeof(state->buffer) - catchupSize, catchupSize);
-        XXH_memcpy(lastStripe + catchupSize, state->buffer, state->bufferedSize);
-        XXH3_accumulate_512(acc,
-                            lastStripe,
-                            secret + state->secretLimit - XXH_SECRET_LASTACC_START);
-    }
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH64_hash_t XXH3_64bits_digest (const XXH3_state_t* state)
-{
-    const unsigned char* const secret = (state->extSecret == NULL) ? state->customSecret : state->extSecret;
-    if (state->totalLen > XXH3_MIDSIZE_MAX) {
-        XXH_ALIGN(XXH_ACC_ALIGN) XXH64_hash_t acc[XXH_ACC_NB];
-        XXH3_digest_long(acc, state, secret);
-        return XXH3_mergeAccs(acc,
-                              secret + XXH_SECRET_MERGEACCS_START,
-                              (xxh_u64)state->totalLen * XXH_PRIME64_1);
-    }
-    /* totalLen <= XXH3_MIDSIZE_MAX: digesting a short input */
-    if (state->useSeed)
-        return XXH3_64bits_withSeed(state->buffer, (size_t)state->totalLen, state->seed);
-    return XXH3_64bits_withSecret(state->buffer, (size_t)(state->totalLen),
-                                  secret, state->secretLimit + XXH_STRIPE_LEN);
-}
-
-
-
-/* ==========================================
- * XXH3 128 bits (a.k.a XXH128)
- * ==========================================
- * XXH3's 128-bit variant has better mixing and strength than the 64-bit variant,
- * even without counting the significantly larger output size.
- *
- * For example, extra steps are taken to avoid the seed-dependent collisions
- * in 17-240 byte inputs (See XXH3_mix16B and XXH128_mix32B).
- *
- * This strength naturally comes at the cost of some speed, especially on short
- * lengths. Note that longer hashes are about as fast as the 64-bit version
- * due to it using only a slight modification of the 64-bit loop.
- *
- * XXH128 is also more oriented towards 64-bit machines. It is still extremely
- * fast for a _128-bit_ hash on 32-bit (it usually clears XXH64).
- */
-
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_len_1to3_128b(const xxh_u8* input, size_t len, const xxh_u8* secret, XXH64_hash_t seed)
-{
-    /* A doubled version of 1to3_64b with different constants. */
-    XXH_ASSERT(input != NULL);
-    XXH_ASSERT(1 <= len && len <= 3);
-    XXH_ASSERT(secret != NULL);
-    /*
-     * len = 1: combinedl = { input[0], 0x01, input[0], input[0] }
-     * len = 2: combinedl = { input[1], 0x02, input[0], input[1] }
-     * len = 3: combinedl = { input[2], 0x03, input[0], input[1] }
-     */
-    {   xxh_u8 const c1 = input[0];
-        xxh_u8 const c2 = input[len >> 1];
-        xxh_u8 const c3 = input[len - 1];
-        xxh_u32 const combinedl = ((xxh_u32)c1 <<16) | ((xxh_u32)c2 << 24)
-                                | ((xxh_u32)c3 << 0) | ((xxh_u32)len << 8);
-        xxh_u32 const combinedh = XXH_rotl32(XXH_swap32(combinedl), 13);
-        xxh_u64 const bitflipl = (XXH_readLE32(secret) ^ XXH_readLE32(secret+4)) + seed;
-        xxh_u64 const bitfliph = (XXH_readLE32(secret+8) ^ XXH_readLE32(secret+12)) - seed;
-        xxh_u64 const keyed_lo = (xxh_u64)combinedl ^ bitflipl;
-        xxh_u64 const keyed_hi = (xxh_u64)combinedh ^ bitfliph;
-        XXH128_hash_t h128;
-        h128.low64  = XXH64_avalanche(keyed_lo);
-        h128.high64 = XXH64_avalanche(keyed_hi);
-        return h128;
-    }
-}
-
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_len_4to8_128b(const xxh_u8* input, size_t len, const xxh_u8* secret, XXH64_hash_t seed)
-{
-    XXH_ASSERT(input != NULL);
-    XXH_ASSERT(secret != NULL);
-    XXH_ASSERT(4 <= len && len <= 8);
-    seed ^= (xxh_u64)XXH_swap32((xxh_u32)seed) << 32;
-    {   xxh_u32 const input_lo = XXH_readLE32(input);
-        xxh_u32 const input_hi = XXH_readLE32(input + len - 4);
-        xxh_u64 const input_64 = input_lo + ((xxh_u64)input_hi << 32);
-        xxh_u64 const bitflip = (XXH_readLE64(secret+16) ^ XXH_readLE64(secret+24)) + seed;
-        xxh_u64 const keyed = input_64 ^ bitflip;
-
-        /* Shift len to the left to ensure it is even, this avoids even multiplies. */
-        XXH128_hash_t m128 = XXH_mult64to128(keyed, XXH_PRIME64_1 + (len << 2));
-
-        m128.high64 += (m128.low64 << 1);
-        m128.low64  ^= (m128.high64 >> 3);
-
-        m128.low64   = XXH_xorshift64(m128.low64, 35);
-        m128.low64  *= 0x9FB21C651E98DF25ULL;
-        m128.low64   = XXH_xorshift64(m128.low64, 28);
-        m128.high64  = XXH3_avalanche(m128.high64);
-        return m128;
-    }
-}
-
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_len_9to16_128b(const xxh_u8* input, size_t len, const xxh_u8* secret, XXH64_hash_t seed)
-{
-    XXH_ASSERT(input != NULL);
-    XXH_ASSERT(secret != NULL);
-    XXH_ASSERT(9 <= len && len <= 16);
-    {   xxh_u64 const bitflipl = (XXH_readLE64(secret+32) ^ XXH_readLE64(secret+40)) - seed;
-        xxh_u64 const bitfliph = (XXH_readLE64(secret+48) ^ XXH_readLE64(secret+56)) + seed;
-        xxh_u64 const input_lo = XXH_readLE64(input);
-        xxh_u64       input_hi = XXH_readLE64(input + len - 8);
-        XXH128_hash_t m128 = XXH_mult64to128(input_lo ^ input_hi ^ bitflipl, XXH_PRIME64_1);
-        /*
-         * Put len in the middle of m128 to ensure that the length gets mixed to
-         * both the low and high bits in the 128x64 multiply below.
-         */
-        m128.low64 += (xxh_u64)(len - 1) << 54;
-        input_hi   ^= bitfliph;
-        /*
-         * Add the high 32 bits of input_hi to the high 32 bits of m128, then
-         * add the long product of the low 32 bits of input_hi and XXH_PRIME32_2 to
-         * the high 64 bits of m128.
-         *
-         * The best approach to this operation is different on 32-bit and 64-bit.
-         */
-        if (sizeof(void *) < sizeof(xxh_u64)) { /* 32-bit */
-            /*
-             * 32-bit optimized version, which is more readable.
-             *
-             * On 32-bit, it removes an ADC and delays a dependency between the two
-             * halves of m128.high64, but it generates an extra mask on 64-bit.
-             */
-            m128.high64 += (input_hi & 0xFFFFFFFF00000000ULL) + XXH_mult32to64((xxh_u32)input_hi, XXH_PRIME32_2);
-        } else {
-            /*
-             * 64-bit optimized (albeit more confusing) version.
-             *
-             * Uses some properties of addition and multiplication to remove the mask:
-             *
-             * Let:
-             *    a = input_hi.lo = (input_hi & 0x00000000FFFFFFFF)
-             *    b = input_hi.hi = (input_hi & 0xFFFFFFFF00000000)
-             *    c = XXH_PRIME32_2
-             *
-             *    a + (b * c)
-             * Inverse Property: x + y - x == y
-             *    a + (b * (1 + c - 1))
-             * Distributive Property: x * (y + z) == (x * y) + (x * z)
-             *    a + (b * 1) + (b * (c - 1))
-             * Identity Property: x * 1 == x
-             *    a + b + (b * (c - 1))
-             *
-             * Substitute a, b, and c:
-             *    input_hi.hi + input_hi.lo + ((xxh_u64)input_hi.lo * (XXH_PRIME32_2 - 1))
-             *
-             * Since input_hi.hi + input_hi.lo == input_hi, we get this:
-             *    input_hi + ((xxh_u64)input_hi.lo * (XXH_PRIME32_2 - 1))
-             */
-            m128.high64 += input_hi + XXH_mult32to64((xxh_u32)input_hi, XXH_PRIME32_2 - 1);
-        }
-        /* m128 ^= XXH_swap64(m128 >> 64); */
-        m128.low64  ^= XXH_swap64(m128.high64);
-
-        {   /* 128x64 multiply: h128 = m128 * XXH_PRIME64_2; */
-            XXH128_hash_t h128 = XXH_mult64to128(m128.low64, XXH_PRIME64_2);
-            h128.high64 += m128.high64 * XXH_PRIME64_2;
-
-            h128.low64   = XXH3_avalanche(h128.low64);
-            h128.high64  = XXH3_avalanche(h128.high64);
-            return h128;
-    }   }
-}
-
-/*
- * Assumption: `secret` size is >= XXH3_SECRET_SIZE_MIN
- */
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_len_0to16_128b(const xxh_u8* input, size_t len, const xxh_u8* secret, XXH64_hash_t seed)
-{
-    XXH_ASSERT(len <= 16);
-    {   if (len > 8) return XXH3_len_9to16_128b(input, len, secret, seed);
-        if (len >= 4) return XXH3_len_4to8_128b(input, len, secret, seed);
-        if (len) return XXH3_len_1to3_128b(input, len, secret, seed);
-        {   XXH128_hash_t h128;
-            xxh_u64 const bitflipl = XXH_readLE64(secret+64) ^ XXH_readLE64(secret+72);
-            xxh_u64 const bitfliph = XXH_readLE64(secret+80) ^ XXH_readLE64(secret+88);
-            h128.low64 = XXH64_avalanche(seed ^ bitflipl);
-            h128.high64 = XXH64_avalanche( seed ^ bitfliph);
-            return h128;
-    }   }
-}
-
-/*
- * A bit slower than XXH3_mix16B, but handles multiply by zero better.
- */
-XXH_FORCE_INLINE XXH128_hash_t
-XXH128_mix32B(XXH128_hash_t acc, const xxh_u8* input_1, const xxh_u8* input_2,
-              const xxh_u8* secret, XXH64_hash_t seed)
-{
-    acc.low64  += XXH3_mix16B (input_1, secret+0, seed);
-    acc.low64  ^= XXH_readLE64(input_2) + XXH_readLE64(input_2 + 8);
-    acc.high64 += XXH3_mix16B (input_2, secret+16, seed);
-    acc.high64 ^= XXH_readLE64(input_1) + XXH_readLE64(input_1 + 8);
-    return acc;
-}
-
-
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_len_17to128_128b(const xxh_u8* XXH_RESTRICT input, size_t len,
-                      const xxh_u8* XXH_RESTRICT secret, size_t secretSize,
-                      XXH64_hash_t seed)
-{
-    XXH_ASSERT(secretSize >= XXH3_SECRET_SIZE_MIN); (void)secretSize;
-    XXH_ASSERT(16 < len && len <= 128);
-
-    {   XXH128_hash_t acc;
-        acc.low64 = len * XXH_PRIME64_1;
-        acc.high64 = 0;
-        if (len > 32) {
-            if (len > 64) {
-                if (len > 96) {
-                    acc = XXH128_mix32B(acc, input+48, input+len-64, secret+96, seed);
-                }
-                acc = XXH128_mix32B(acc, input+32, input+len-48, secret+64, seed);
-            }
-            acc = XXH128_mix32B(acc, input+16, input+len-32, secret+32, seed);
-        }
-        acc = XXH128_mix32B(acc, input, input+len-16, secret, seed);
-        {   XXH128_hash_t h128;
-            h128.low64  = acc.low64 + acc.high64;
-            h128.high64 = (acc.low64    * XXH_PRIME64_1)
-                        + (acc.high64   * XXH_PRIME64_4)
-                        + ((len - seed) * XXH_PRIME64_2);
-            h128.low64  = XXH3_avalanche(h128.low64);
-            h128.high64 = (XXH64_hash_t)0 - XXH3_avalanche(h128.high64);
-            return h128;
-        }
-    }
-}
-
-XXH_NO_INLINE XXH128_hash_t
-XXH3_len_129to240_128b(const xxh_u8* XXH_RESTRICT input, size_t len,
-                       const xxh_u8* XXH_RESTRICT secret, size_t secretSize,
-                       XXH64_hash_t seed)
-{
-    XXH_ASSERT(secretSize >= XXH3_SECRET_SIZE_MIN); (void)secretSize;
-    XXH_ASSERT(128 < len && len <= XXH3_MIDSIZE_MAX);
-
-    {   XXH128_hash_t acc;
-        int const nbRounds = (int)len / 32;
-        int i;
-        acc.low64 = len * XXH_PRIME64_1;
-        acc.high64 = 0;
-        for (i=0; i<4; i++) {
-            acc = XXH128_mix32B(acc,
-                                input  + (32 * i),
-                                input  + (32 * i) + 16,
-                                secret + (32 * i),
-                                seed);
-        }
-        acc.low64 = XXH3_avalanche(acc.low64);
-        acc.high64 = XXH3_avalanche(acc.high64);
-        XXH_ASSERT(nbRounds >= 4);
-        for (i=4 ; i < nbRounds; i++) {
-            acc = XXH128_mix32B(acc,
-                                input + (32 * i),
-                                input + (32 * i) + 16,
-                                secret + XXH3_MIDSIZE_STARTOFFSET + (32 * (i - 4)),
-                                seed);
-        }
-        /* last bytes */
-        acc = XXH128_mix32B(acc,
-                            input + len - 16,
-                            input + len - 32,
-                            secret + XXH3_SECRET_SIZE_MIN - XXH3_MIDSIZE_LASTOFFSET - 16,
-                            0ULL - seed);
-
-        {   XXH128_hash_t h128;
-            h128.low64  = acc.low64 + acc.high64;
-            h128.high64 = (acc.low64    * XXH_PRIME64_1)
-                        + (acc.high64   * XXH_PRIME64_4)
-                        + ((len - seed) * XXH_PRIME64_2);
-            h128.low64  = XXH3_avalanche(h128.low64);
-            h128.high64 = (XXH64_hash_t)0 - XXH3_avalanche(h128.high64);
-            return h128;
-        }
-    }
-}
-
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_hashLong_128b_internal(const void* XXH_RESTRICT input, size_t len,
-                            const xxh_u8* XXH_RESTRICT secret, size_t secretSize,
-                            XXH3_f_accumulate_512 f_acc512,
-                            XXH3_f_scrambleAcc f_scramble)
-{
-    XXH_ALIGN(XXH_ACC_ALIGN) xxh_u64 acc[XXH_ACC_NB] = XXH3_INIT_ACC;
-
-    XXH3_hashLong_internal_loop(acc, (const xxh_u8*)input, len, secret, secretSize, f_acc512, f_scramble);
-
-    /* converge into final hash */
-    XXH_STATIC_ASSERT(sizeof(acc) == 64);
-    XXH_ASSERT(secretSize >= sizeof(acc) + XXH_SECRET_MERGEACCS_START);
-    {   XXH128_hash_t h128;
-        h128.low64  = XXH3_mergeAccs(acc,
-                                     secret + XXH_SECRET_MERGEACCS_START,
-                                     (xxh_u64)len * XXH_PRIME64_1);
-        h128.high64 = XXH3_mergeAccs(acc,
-                                     secret + secretSize
-                                            - sizeof(acc) - XXH_SECRET_MERGEACCS_START,
-                                     ~((xxh_u64)len * XXH_PRIME64_2));
-        return h128;
-    }
-}
-
-/*
- * It's important for performance that XXH3_hashLong is not inlined.
- */
-XXH_NO_INLINE XXH128_hash_t
-XXH3_hashLong_128b_default(const void* XXH_RESTRICT input, size_t len,
-                           XXH64_hash_t seed64,
-                           const void* XXH_RESTRICT secret, size_t secretLen)
-{
-    (void)seed64; (void)secret; (void)secretLen;
-    return XXH3_hashLong_128b_internal(input, len, XXH3_kSecret, sizeof(XXH3_kSecret),
-                                       XXH3_accumulate_512, XXH3_scrambleAcc);
-}
-
-/*
- * It's important for performance to pass @secretLen (when it's static)
- * to the compiler, so that it can properly optimize the vectorized loop.
- */
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_hashLong_128b_withSecret(const void* XXH_RESTRICT input, size_t len,
-                              XXH64_hash_t seed64,
-                              const void* XXH_RESTRICT secret, size_t secretLen)
-{
-    (void)seed64;
-    return XXH3_hashLong_128b_internal(input, len, (const xxh_u8*)secret, secretLen,
-                                       XXH3_accumulate_512, XXH3_scrambleAcc);
-}
-
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_hashLong_128b_withSeed_internal(const void* XXH_RESTRICT input, size_t len,
-                                XXH64_hash_t seed64,
-                                XXH3_f_accumulate_512 f_acc512,
-                                XXH3_f_scrambleAcc f_scramble,
-                                XXH3_f_initCustomSecret f_initSec)
-{
-    if (seed64 == 0)
-        return XXH3_hashLong_128b_internal(input, len,
-                                           XXH3_kSecret, sizeof(XXH3_kSecret),
-                                           f_acc512, f_scramble);
-    {   XXH_ALIGN(XXH_SEC_ALIGN) xxh_u8 secret[XXH_SECRET_DEFAULT_SIZE];
-        f_initSec(secret, seed64);
-        return XXH3_hashLong_128b_internal(input, len, (const xxh_u8*)secret, sizeof(secret),
-                                           f_acc512, f_scramble);
-    }
-}
-
-/*
- * It's important for performance that XXH3_hashLong is not inlined.
- */
-XXH_NO_INLINE XXH128_hash_t
-XXH3_hashLong_128b_withSeed(const void* input, size_t len,
-                            XXH64_hash_t seed64, const void* XXH_RESTRICT secret, size_t secretLen)
-{
-    (void)secret; (void)secretLen;
-    return XXH3_hashLong_128b_withSeed_internal(input, len, seed64,
-                XXH3_accumulate_512, XXH3_scrambleAcc, XXH3_initCustomSecret);
-}
-
-typedef XXH128_hash_t (*XXH3_hashLong128_f)(const void* XXH_RESTRICT, size_t,
-                                            XXH64_hash_t, const void* XXH_RESTRICT, size_t);
-
-XXH_FORCE_INLINE XXH128_hash_t
-XXH3_128bits_internal(const void* input, size_t len,
-                      XXH64_hash_t seed64, const void* XXH_RESTRICT secret, size_t secretLen,
-                      XXH3_hashLong128_f f_hl128)
-{
-    XXH_ASSERT(secretLen >= XXH3_SECRET_SIZE_MIN);
-    /*
-     * If an action is to be taken if `secret` conditions are not respected,
-     * it should be done here.
-     * For now, it's a contract pre-condition.
-     * Adding a check and a branch here would cost performance at every hash.
-     */
-    if (len <= 16)
-        return XXH3_len_0to16_128b((const xxh_u8*)input, len, (const xxh_u8*)secret, seed64);
-    if (len <= 128)
-        return XXH3_len_17to128_128b((const xxh_u8*)input, len, (const xxh_u8*)secret, secretLen, seed64);
-    if (len <= XXH3_MIDSIZE_MAX)
-        return XXH3_len_129to240_128b((const xxh_u8*)input, len, (const xxh_u8*)secret, secretLen, seed64);
-    return f_hl128(input, len, seed64, secret, secretLen);
-}
-
-
-/* ===   Public XXH128 API   === */
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH128_hash_t XXH3_128bits(const void* input, size_t len)
-{
-    return XXH3_128bits_internal(input, len, 0,
-                                 XXH3_kSecret, sizeof(XXH3_kSecret),
-                                 XXH3_hashLong_128b_default);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH128_hash_t
-XXH3_128bits_withSecret(const void* input, size_t len, const void* secret, size_t secretSize)
-{
-    return XXH3_128bits_internal(input, len, 0,
-                                 (const xxh_u8*)secret, secretSize,
-                                 XXH3_hashLong_128b_withSecret);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH128_hash_t
-XXH3_128bits_withSeed(const void* input, size_t len, XXH64_hash_t seed)
-{
-    return XXH3_128bits_internal(input, len, seed,
-                                 XXH3_kSecret, sizeof(XXH3_kSecret),
-                                 XXH3_hashLong_128b_withSeed);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH128_hash_t
-XXH3_128bits_withSecretandSeed(const void* input, size_t len, const void* secret, size_t secretSize, XXH64_hash_t seed)
-{
-    if (len <= XXH3_MIDSIZE_MAX)
-        return XXH3_128bits_internal(input, len, seed, XXH3_kSecret, sizeof(XXH3_kSecret), NULL);
-    return XXH3_hashLong_128b_withSecret(input, len, seed, secret, secretSize);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH128_hash_t
-XXH128(const void* input, size_t len, XXH64_hash_t seed)
-{
-    return XXH3_128bits_withSeed(input, len, seed);
-}
-
-
-/* ===   XXH3 128-bit streaming   === */
-
-/*
- * All initialization and update functions are identical to 64-bit streaming variant.
- * The only difference is the finalization routine.
- */
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_128bits_reset(XXH3_state_t* statePtr)
-{
-    return XXH3_64bits_reset(statePtr);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_128bits_reset_withSecret(XXH3_state_t* statePtr, const void* secret, size_t secretSize)
-{
-    return XXH3_64bits_reset_withSecret(statePtr, secret, secretSize);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_128bits_reset_withSeed(XXH3_state_t* statePtr, XXH64_hash_t seed)
-{
-    return XXH3_64bits_reset_withSeed(statePtr, seed);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_128bits_reset_withSecretandSeed(XXH3_state_t* statePtr, const void* secret, size_t secretSize, XXH64_hash_t seed)
-{
-    return XXH3_64bits_reset_withSecretandSeed(statePtr, secret, secretSize, seed);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_128bits_update(XXH3_state_t* state, const void* input, size_t len)
-{
-    return XXH3_update(state, (const xxh_u8*)input, len,
-                       XXH3_accumulate_512, XXH3_scrambleAcc);
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH128_hash_t XXH3_128bits_digest (const XXH3_state_t* state)
-{
-    const unsigned char* const secret = (state->extSecret == NULL) ? state->customSecret : state->extSecret;
-    if (state->totalLen > XXH3_MIDSIZE_MAX) {
-        XXH_ALIGN(XXH_ACC_ALIGN) XXH64_hash_t acc[XXH_ACC_NB];
-        XXH3_digest_long(acc, state, secret);
-        XXH_ASSERT(state->secretLimit + XXH_STRIPE_LEN >= sizeof(acc) + XXH_SECRET_MERGEACCS_START);
-        {   XXH128_hash_t h128;
-            h128.low64  = XXH3_mergeAccs(acc,
-                                         secret + XXH_SECRET_MERGEACCS_START,
-                                         (xxh_u64)state->totalLen * XXH_PRIME64_1);
-            h128.high64 = XXH3_mergeAccs(acc,
-                                         secret + state->secretLimit + XXH_STRIPE_LEN
-                                                - sizeof(acc) - XXH_SECRET_MERGEACCS_START,
-                                         ~((xxh_u64)state->totalLen * XXH_PRIME64_2));
-            return h128;
-        }
-    }
-    /* len <= XXH3_MIDSIZE_MAX : short code */
-    if (state->seed)
-        return XXH3_128bits_withSeed(state->buffer, (size_t)state->totalLen, state->seed);
-    return XXH3_128bits_withSecret(state->buffer, (size_t)(state->totalLen),
-                                   secret, state->secretLimit + XXH_STRIPE_LEN);
-}
-
-/* 128-bit utility functions */
-
-#include <string.h>   /* memcmp, memcpy */
-
-/* return : 1 is equal, 0 if different */
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API int XXH128_isEqual(XXH128_hash_t h1, XXH128_hash_t h2)
-{
-    /* note : XXH128_hash_t is compact, it has no padding byte */
-    return !(memcmp(&h1, &h2, sizeof(h1)));
-}
-
-/* This prototype is compatible with stdlib's qsort().
- * return : >0 if *h128_1  > *h128_2
- *          <0 if *h128_1  < *h128_2
- *          =0 if *h128_1 == *h128_2  */
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API int XXH128_cmp(const void* h128_1, const void* h128_2)
-{
-    XXH128_hash_t const h1 = *(const XXH128_hash_t*)h128_1;
-    XXH128_hash_t const h2 = *(const XXH128_hash_t*)h128_2;
-    int const hcmp = (h1.high64 > h2.high64) - (h2.high64 > h1.high64);
-    /* note : bets that, in most cases, hash values are different */
-    if (hcmp) return hcmp;
-    return (h1.low64 > h2.low64) - (h2.low64 > h1.low64);
-}
-
-
-/*======   Canonical representation   ======*/
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API void
-XXH128_canonicalFromHash(XXH128_canonical_t* dst, XXH128_hash_t hash)
-{
-    XXH_STATIC_ASSERT(sizeof(XXH128_canonical_t) == sizeof(XXH128_hash_t));
-    if (XXH_CPU_LITTLE_ENDIAN) {
-        hash.high64 = XXH_swap64(hash.high64);
-        hash.low64  = XXH_swap64(hash.low64);
-    }
-    XXH_memcpy(dst, &hash.high64, sizeof(hash.high64));
-    XXH_memcpy((char*)dst + sizeof(hash.high64), &hash.low64, sizeof(hash.low64));
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH128_hash_t
-XXH128_hashFromCanonical(const XXH128_canonical_t* src)
-{
-    XXH128_hash_t h;
-    h.high64 = XXH_readBE64(src);
-    h.low64  = XXH_readBE64(src->digest + 8);
-    return h;
-}
-
-
-
-/* ==========================================
- * Secret generators
- * ==========================================
- */
-#define XXH_MIN(x, y) (((x) > (y)) ? (y) : (x))
-
-static void XXH3_combine16(void* dst, XXH128_hash_t h128)
-{
-    XXH_writeLE64( dst, XXH_readLE64(dst) ^ h128.low64 );
-    XXH_writeLE64( (char*)dst+8, XXH_readLE64((char*)dst+8) ^ h128.high64 );
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API XXH_errorcode
-XXH3_generateSecret(void* secretBuffer, size_t secretSize, const void* customSeed, size_t customSeedSize)
-{
-    XXH_ASSERT(secretBuffer != NULL);
-    if (secretBuffer == NULL) return XXH_ERROR;
-    XXH_ASSERT(secretSize >= XXH3_SECRET_SIZE_MIN);
-    if (secretSize < XXH3_SECRET_SIZE_MIN) return XXH_ERROR;
-    if (customSeedSize == 0) {
-        customSeed = XXH3_kSecret;
-        customSeedSize = XXH_SECRET_DEFAULT_SIZE;
-    }
-    XXH_ASSERT(customSeed != NULL);
-    if (customSeed == NULL) return XXH_ERROR;
-
-    /* Fill secretBuffer with a copy of customSeed - repeat as needed */
-    {   size_t pos = 0;
-        while (pos < secretSize) {
-            size_t const toCopy = XXH_MIN((secretSize - pos), customSeedSize);
-            memcpy((char*)secretBuffer + pos, customSeed, toCopy);
-            pos += toCopy;
-    }   }
-
-    {   size_t const nbSeg16 = secretSize / 16;
-        size_t n;
-        XXH128_canonical_t scrambler;
-        XXH128_canonicalFromHash(&scrambler, XXH128(customSeed, customSeedSize, 0));
-        for (n=0; n<nbSeg16; n++) {
-            XXH128_hash_t const h128 = XXH128(&scrambler, sizeof(scrambler), n);
-            XXH3_combine16((char*)secretBuffer + n*16, h128);
-        }
-        /* last segment */
-        XXH3_combine16((char*)secretBuffer + secretSize - 16, XXH128_hashFromCanonical(&scrambler));
-    }
-    return XXH_OK;
-}
-
-/*! @ingroup xxh3_family */
-XXH_PUBLIC_API void
-XXH3_generateSecret_fromSeed(void* secretBuffer, XXH64_hash_t seed)
-{
-    XXH_ALIGN(XXH_SEC_ALIGN) xxh_u8 secret[XXH_SECRET_DEFAULT_SIZE];
-    XXH3_initCustomSecret(secret, seed);
-    XXH_ASSERT(secretBuffer != NULL);
-    memcpy(secretBuffer, secret, XXH_SECRET_DEFAULT_SIZE);
-}
-
-
-
-/* Pop our optimization override from above */
-#if XXH_VECTOR == XXH_AVX2 /* AVX2 */ \
-  && defined(__GNUC__) && !defined(__clang__) /* GCC, not Clang */ \
-  && defined(__OPTIMIZE__) && !defined(__OPTIMIZE_SIZE__) /* respect -O0 and -Os */
-#  pragma GCC pop_options
-#endif
-
-#endif  /* XXH_NO_LONG_LONG */
-
-#endif  /* XXH_NO_XXH3 */
-
-/*!
- * @}
- */
-#endif  /* XXH_IMPLEMENTATION */
-
-
-#if defined (__cplusplus)
-}
-#endif