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This commit is contained in:
Bassem Girgis
2023-11-24 12:56:13 -06:00
parent cfc99971af
commit 19d727037a
9260 changed files with 849256 additions and 299957 deletions
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336
linx64/include/boost/container_hash/detail/float_functions.hpp
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// Copyright 2005-2009 Daniel James.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_FLOAT_FUNCTIONS_HPP)
#define BOOST_FUNCTIONAL_HASH_DETAIL_FLOAT_FUNCTIONS_HPP
#include <boost/config.hpp>
#if defined(BOOST_HAS_PRAGMA_ONCE)
#pragma once
#endif
#include <boost/config/no_tr1/cmath.hpp>
// Set BOOST_HASH_CONFORMANT_FLOATS to 1 for libraries known to have
// sufficiently good floating point support to not require any
// workarounds.
//
// When set to 0, the library tries to automatically
// use the best available implementation. This normally works well, but
// breaks when ambiguities are created by odd namespacing of the functions.
//
// Note that if this is set to 0, the library should still take full
// advantage of the platform's floating point support.
#if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
# define BOOST_HASH_CONFORMANT_FLOATS 0
#elif defined(__LIBCOMO__)
# define BOOST_HASH_CONFORMANT_FLOATS 0
#elif defined(__STD_RWCOMPILER_H__) || defined(_RWSTD_VER)
// Rogue Wave library:
# define BOOST_HASH_CONFORMANT_FLOATS 0
#elif defined(_LIBCPP_VERSION)
// libc++
# define BOOST_HASH_CONFORMANT_FLOATS 1
#elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
// GNU libstdc++ 3
# if defined(__GNUC__) && __GNUC__ >= 4
# define BOOST_HASH_CONFORMANT_FLOATS 1
# else
# define BOOST_HASH_CONFORMANT_FLOATS 0
# endif
#elif defined(__STL_CONFIG_H)
// generic SGI STL
# define BOOST_HASH_CONFORMANT_FLOATS 0
#elif defined(__MSL_CPP__)
// MSL standard lib:
# define BOOST_HASH_CONFORMANT_FLOATS 0
#elif defined(__IBMCPP__)
// VACPP std lib (probably conformant for much earlier version).
# if __IBMCPP__ >= 1210
# define BOOST_HASH_CONFORMANT_FLOATS 1
# else
# define BOOST_HASH_CONFORMANT_FLOATS 0
# endif
#elif defined(MSIPL_COMPILE_H)
// Modena C++ standard library
# define BOOST_HASH_CONFORMANT_FLOATS 0
#elif (defined(_YVALS) && !defined(__IBMCPP__)) || defined(_CPPLIB_VER)
// Dinkumware Library (this has to appear after any possible replacement libraries):
# if _CPPLIB_VER >= 405
# define BOOST_HASH_CONFORMANT_FLOATS 1
# else
# define BOOST_HASH_CONFORMANT_FLOATS 0
# endif
#else
# define BOOST_HASH_CONFORMANT_FLOATS 0
#endif
#if BOOST_HASH_CONFORMANT_FLOATS
// The standard library is known to be compliant, so don't use the
// configuration mechanism.
namespace boost {
namespace hash_detail {
template <typename Float>
struct call_ldexp {
typedef Float float_type;
inline Float operator()(Float x, int y) const {
return std::ldexp(x, y);
}
};
template <typename Float>
struct call_frexp {
typedef Float float_type;
inline Float operator()(Float x, int* y) const {
return std::frexp(x, y);
}
};
template <typename Float>
struct select_hash_type
{
typedef Float type;
};
}
}
#else // BOOST_HASH_CONFORMANT_FLOATS == 0
// The C++ standard requires that the C float functions are overloarded
// for float, double and long double in the std namespace, but some of the older
// library implementations don't support this. On some that don't, the C99
// float functions (frexpf, frexpl, etc.) are available.
//
// The following tries to automatically detect which are available.
namespace boost {
namespace hash_detail {
// Returned by dummy versions of the float functions.
struct not_found {
// Implicitly convertible to float and long double in order to avoid
// a compile error when the dummy float functions are used.
inline operator float() const { return 0; }
inline operator long double() const { return 0; }
};
// A type for detecting the return type of functions.
template <typename T> struct is;
template <> struct is<float> { char x[10]; };
template <> struct is<double> { char x[20]; };
template <> struct is<long double> { char x[30]; };
template <> struct is<boost::hash_detail::not_found> { char x[40]; };
// Used to convert the return type of a function to a type for sizeof.
template <typename T> is<T> float_type(T);
// call_ldexp
//
// This will get specialized for float and long double
template <typename Float> struct call_ldexp
{
typedef double float_type;
inline double operator()(double a, int b) const
{
using namespace std;
return ldexp(a, b);
}
};
// call_frexp
//
// This will get specialized for float and long double
template <typename Float> struct call_frexp
{
typedef double float_type;
inline double operator()(double a, int* b) const
{
using namespace std;
return frexp(a, b);
}
};
}
}
// A namespace for dummy functions to detect when the actual function we want
// isn't available. ldexpl, ldexpf etc. might be added tby the macros below.
//
// AFAICT these have to be outside of the boost namespace, as if they're in
// the boost namespace they'll always be preferable to any other function
// (since the arguments are built in types, ADL can't be used).
namespace boost_hash_detect_float_functions {
template <class Float> boost::hash_detail::not_found ldexp(Float, int);
template <class Float> boost::hash_detail::not_found frexp(Float, int*);
}
// Macros for generating specializations of call_ldexp and call_frexp.
//
// check_cpp and check_c99 check if the C++ or C99 functions are available.
//
// Then the call_* functions select an appropriate implementation.
//
// I used c99_func in a few places just to get a unique name.
//
// Important: when using 'using namespace' at namespace level, include as
// little as possible in that namespace, as Visual C++ has an odd bug which
// can cause the namespace to be imported at the global level. This seems to
// happen mainly when there's a template in the same namesapce.
#define BOOST_HASH_CALL_FLOAT_FUNC(cpp_func, c99_func, type1, type2) \
namespace boost_hash_detect_float_functions { \
template <class Float> \
boost::hash_detail::not_found c99_func(Float, type2); \
} \
\
namespace boost { \
namespace hash_detail { \
namespace c99_func##_detect { \
using namespace std; \
using namespace boost_hash_detect_float_functions; \
\
struct check { \
static type1 x; \
static type2 y; \
BOOST_STATIC_CONSTANT(bool, cpp = \
sizeof(float_type(cpp_func(x,y))) \
== sizeof(is<type1>)); \
BOOST_STATIC_CONSTANT(bool, c99 = \
sizeof(float_type(c99_func(x,y))) \
== sizeof(is<type1>)); \
}; \
} \
\
template <bool x> \
struct call_c99_##c99_func : \
boost::hash_detail::call_##cpp_func<double> {}; \
\
template <> \
struct call_c99_##c99_func<true> { \
typedef type1 float_type; \
\
template <typename T> \
inline type1 operator()(type1 a, T b) const \
{ \
using namespace std; \
return c99_func(a, b); \
} \
}; \
\
template <bool x> \
struct call_cpp_##c99_func : \
call_c99_##c99_func< \
::boost::hash_detail::c99_func##_detect::check::c99 \
> {}; \
\
template <> \
struct call_cpp_##c99_func<true> { \
typedef type1 float_type; \
\
template <typename T> \
inline type1 operator()(type1 a, T b) const \
{ \
using namespace std; \
return cpp_func(a, b); \
} \
}; \
\
template <> \
struct call_##cpp_func<type1> : \
call_cpp_##c99_func< \
::boost::hash_detail::c99_func##_detect::check::cpp \
> {}; \
} \
}
#define BOOST_HASH_CALL_FLOAT_MACRO(cpp_func, c99_func, type1, type2) \
namespace boost { \
namespace hash_detail { \
\
template <> \
struct call_##cpp_func<type1> { \
typedef type1 float_type; \
inline type1 operator()(type1 x, type2 y) const { \
return c99_func(x, y); \
} \
}; \
} \
}
#if defined(ldexpf)
BOOST_HASH_CALL_FLOAT_MACRO(ldexp, ldexpf, float, int)
#else
BOOST_HASH_CALL_FLOAT_FUNC(ldexp, ldexpf, float, int)
#endif
#if defined(ldexpl)
BOOST_HASH_CALL_FLOAT_MACRO(ldexp, ldexpl, long double, int)
#else
BOOST_HASH_CALL_FLOAT_FUNC(ldexp, ldexpl, long double, int)
#endif
#if defined(frexpf)
BOOST_HASH_CALL_FLOAT_MACRO(frexp, frexpf, float, int*)
#else
BOOST_HASH_CALL_FLOAT_FUNC(frexp, frexpf, float, int*)
#endif
#if defined(frexpl)
BOOST_HASH_CALL_FLOAT_MACRO(frexp, frexpl, long double, int*)
#else
BOOST_HASH_CALL_FLOAT_FUNC(frexp, frexpl, long double, int*)
#endif
#undef BOOST_HASH_CALL_FLOAT_MACRO
#undef BOOST_HASH_CALL_FLOAT_FUNC
namespace boost
{
namespace hash_detail
{
template <typename Float1, typename Float2>
struct select_hash_type_impl {
typedef double type;
};
template <>
struct select_hash_type_impl<float, float> {
typedef float type;
};
template <>
struct select_hash_type_impl<long double, long double> {
typedef long double type;
};
// select_hash_type
//
// If there is support for a particular floating point type, use that
// otherwise use double (there's always support for double).
template <typename Float>
struct select_hash_type : select_hash_type_impl<
BOOST_DEDUCED_TYPENAME call_ldexp<Float>::float_type,
BOOST_DEDUCED_TYPENAME call_frexp<Float>::float_type
> {};
}
}
#endif // BOOST_HASH_CONFORMANT_FLOATS
#endif

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// Copyright 2005-2012 Daniel James.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_HASH_FLOAT_HEADER)
#define BOOST_FUNCTIONAL_HASH_DETAIL_HASH_FLOAT_HEADER
#include <boost/config.hpp>
#if defined(BOOST_HAS_PRAGMA_ONCE)
#pragma once
#endif
#include <boost/container_hash/detail/float_functions.hpp>
#include <boost/container_hash/detail/limits.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/integer/static_log2.hpp>
#include <boost/cstdint.hpp>
#include <boost/assert.hpp>
#include <boost/limits.hpp>
#include <cstring>
#if defined(BOOST_MSVC)
#pragma warning(push)
#if BOOST_MSVC >= 1400
#pragma warning(disable:6294) // Ill-defined for-loop: initial condition does
// not satisfy test. Loop body not executed
#endif
#endif
// Can we use fpclassify?
// STLport
#if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
#define BOOST_HASH_USE_FPCLASSIFY 0
// GNU libstdc++ 3
#elif defined(__GLIBCPP__) || defined(__GLIBCXX__)
# if (defined(__USE_ISOC99) || defined(_GLIBCXX_USE_C99_MATH)) && \
!(defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__))
# define BOOST_HASH_USE_FPCLASSIFY 1
# else
# define BOOST_HASH_USE_FPCLASSIFY 0
# endif
// Everything else
#else
# define BOOST_HASH_USE_FPCLASSIFY 0
#endif
namespace boost
{
namespace hash_detail
{
inline void hash_float_combine(std::size_t& seed, std::size_t value)
{
seed ^= value + (seed<<6) + (seed>>2);
}
////////////////////////////////////////////////////////////////////////
// Binary hash function
//
// Only used for floats with known iec559 floats, and certain values in
// numeric_limits
inline std::size_t hash_binary(char* ptr, std::size_t length)
{
std::size_t seed = 0;
if (length >= sizeof(std::size_t)) {
std::memcpy(&seed, ptr, sizeof(std::size_t));
length -= sizeof(std::size_t);
ptr += sizeof(std::size_t);
while(length >= sizeof(std::size_t)) {
std::size_t buffer = 0;
std::memcpy(&buffer, ptr, sizeof(std::size_t));
hash_float_combine(seed, buffer);
length -= sizeof(std::size_t);
ptr += sizeof(std::size_t);
}
}
if (length > 0) {
std::size_t buffer = 0;
std::memcpy(&buffer, ptr, length);
hash_float_combine(seed, buffer);
}
return seed;
}
template <typename Float, unsigned digits, unsigned max_exponent>
struct enable_binary_hash
{
BOOST_STATIC_CONSTANT(bool, value =
std::numeric_limits<Float>::is_iec559 &&
std::numeric_limits<Float>::digits == digits &&
std::numeric_limits<Float>::radix == 2 &&
std::numeric_limits<Float>::max_exponent == max_exponent);
};
template <typename Float>
inline std::size_t float_hash_impl(Float v,
BOOST_DEDUCED_TYPENAME boost::enable_if_c<
enable_binary_hash<Float, 24, 128>::value,
std::size_t>::type)
{
return hash_binary((char*) &v, 4);
}
template <typename Float>
inline std::size_t float_hash_impl(Float v,
BOOST_DEDUCED_TYPENAME boost::enable_if_c<
enable_binary_hash<Float, 53, 1024>::value,
std::size_t>::type)
{
return hash_binary((char*) &v, 8);
}
template <typename Float>
inline std::size_t float_hash_impl(Float v,
BOOST_DEDUCED_TYPENAME boost::enable_if_c<
enable_binary_hash<Float, 64, 16384>::value,
std::size_t>::type)
{
return hash_binary((char*) &v, 10);
}
template <typename Float>
inline std::size_t float_hash_impl(Float v,
BOOST_DEDUCED_TYPENAME boost::enable_if_c<
enable_binary_hash<Float, 113, 16384>::value,
std::size_t>::type)
{
return hash_binary((char*) &v, 16);
}
////////////////////////////////////////////////////////////////////////
// Portable hash function
//
// Used as a fallback when the binary hash function isn't supported.
template <class T>
inline std::size_t float_hash_impl2(T v)
{
boost::hash_detail::call_frexp<T> frexp;
boost::hash_detail::call_ldexp<T> ldexp;
int exp = 0;
v = frexp(v, &exp);
// A postive value is easier to hash, so combine the
// sign with the exponent and use the absolute value.
if(v < 0) {
v = -v;
exp += limits<T>::max_exponent -
limits<T>::min_exponent;
}
v = ldexp(v, limits<std::size_t>::digits);
std::size_t seed = static_cast<std::size_t>(v);
v -= static_cast<T>(seed);
// ceiling(digits(T) * log2(radix(T))/ digits(size_t)) - 1;
std::size_t const length
= (limits<T>::digits *
boost::static_log2<limits<T>::radix>::value
+ limits<std::size_t>::digits - 1)
/ limits<std::size_t>::digits;
for(std::size_t i = 0; i != length; ++i)
{
v = ldexp(v, limits<std::size_t>::digits);
std::size_t part = static_cast<std::size_t>(v);
v -= static_cast<T>(part);
hash_float_combine(seed, part);
}
hash_float_combine(seed, static_cast<std::size_t>(exp));
return seed;
}
#if !defined(BOOST_HASH_DETAIL_TEST_WITHOUT_GENERIC)
template <class T>
inline std::size_t float_hash_impl(T v, ...)
{
typedef BOOST_DEDUCED_TYPENAME select_hash_type<T>::type type;
return float_hash_impl2(static_cast<type>(v));
}
#endif
}
}
#if BOOST_HASH_USE_FPCLASSIFY
#include <boost/config/no_tr1/cmath.hpp>
namespace boost
{
namespace hash_detail
{
template <class T>
inline std::size_t float_hash_value(T v)
{
#if defined(fpclassify)
switch (fpclassify(v))
#elif BOOST_HASH_CONFORMANT_FLOATS
switch (std::fpclassify(v))
#else
using namespace std;
switch (fpclassify(v))
#endif
{
case FP_ZERO:
return 0;
case FP_INFINITE:
return (std::size_t)(v > 0 ? -1 : -2);
case FP_NAN:
return (std::size_t)(-3);
case FP_NORMAL:
case FP_SUBNORMAL:
return float_hash_impl(v, 0);
default:
BOOST_ASSERT(0);
return 0;
}
}
}
}
#else // !BOOST_HASH_USE_FPCLASSIFY
namespace boost
{
namespace hash_detail
{
template <class T>
inline bool is_zero(T v)
{
#if !defined(__GNUC__) && !defined(__clang__)
return v == 0;
#else
// GCC's '-Wfloat-equal' will complain about comparing
// v to 0, but because it disables warnings for system
// headers it won't complain if you use std::equal_to to
// compare with 0. Resulting in this silliness:
return std::equal_to<T>()(v, 0);
#endif
}
template <class T>
inline std::size_t float_hash_value(T v)
{
return boost::hash_detail::is_zero(v) ? 0 : float_hash_impl(v, 0);
}
}
}
#endif // BOOST_HASH_USE_FPCLASSIFY
#undef BOOST_HASH_USE_FPCLASSIFY
#if defined(BOOST_MSVC)
#pragma warning(pop)
#endif
#endif

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// Copyright 2022 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_HASH_DETAIL_HASH_MIX_HPP
#define BOOST_HASH_DETAIL_HASH_MIX_HPP
#include <boost/cstdint.hpp>
#include <cstddef>
#include <climits>
namespace boost
{
namespace hash_detail
{
template<std::size_t Bits> struct hash_mix_impl;
// hash_mix for 64 bit size_t
//
// The general "xmxmx" form of state of the art 64 bit mixers originates
// from Murmur3 by Austin Appleby, which uses the following function as
// its "final mix":
//
// k ^= k >> 33;
// k *= 0xff51afd7ed558ccd;
// k ^= k >> 33;
// k *= 0xc4ceb9fe1a85ec53;
// k ^= k >> 33;
//
// (https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp)
//
// It has subsequently been improved multiple times by different authors
// by changing the constants. The most well known improvement is the
// so-called "variant 13" function by David Stafford:
//
// k ^= k >> 30;
// k *= 0xbf58476d1ce4e5b9;
// k ^= k >> 27;
// k *= 0x94d049bb133111eb;
// k ^= k >> 31;
//
// (https://zimbry.blogspot.com/2011/09/better-bit-mixing-improving-on.html)
//
// This mixing function is used in the splitmix64 RNG:
// http://xorshift.di.unimi.it/splitmix64.c
//
// We use Jon Maiga's implementation from
// http://jonkagstrom.com/mx3/mx3_rev2.html
//
// x ^= x >> 32;
// x *= 0xe9846af9b1a615d;
// x ^= x >> 32;
// x *= 0xe9846af9b1a615d;
// x ^= x >> 28;
//
// An equally good alternative is Pelle Evensen's Moremur:
//
// x ^= x >> 27;
// x *= 0x3C79AC492BA7B653;
// x ^= x >> 33;
// x *= 0x1C69B3F74AC4AE35;
// x ^= x >> 27;
//
// (https://mostlymangling.blogspot.com/2019/12/stronger-better-morer-moremur-better.html)
template<> struct hash_mix_impl<64>
{
inline static boost::uint64_t fn( boost::uint64_t x )
{
boost::uint64_t const m = (boost::uint64_t(0xe9846af) << 32) + 0x9b1a615d;
x ^= x >> 32;
x *= m;
x ^= x >> 32;
x *= m;
x ^= x >> 28;
return x;
}
};
// hash_mix for 32 bit size_t
//
// We use the "best xmxmx" implementation from
// https://github.com/skeeto/hash-prospector/issues/19
template<> struct hash_mix_impl<32>
{
inline static boost::uint32_t fn( boost::uint32_t x )
{
boost::uint32_t const m1 = 0x21f0aaad;
boost::uint32_t const m2 = 0x735a2d97;
x ^= x >> 16;
x *= m1;
x ^= x >> 15;
x *= m2;
x ^= x >> 15;
return x;
}
};
inline std::size_t hash_mix( std::size_t v )
{
return hash_mix_impl<sizeof(std::size_t) * CHAR_BIT>::fn( v );
}
} // namespace hash_detail
} // namespace boost
#endif // #ifndef BOOST_HASH_DETAIL_HASH_MIX_HPP

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// Copyright 2022 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_HASH_DETAIL_HASH_RANGE_HPP
#define BOOST_HASH_DETAIL_HASH_RANGE_HPP
#include <boost/container_hash/hash_fwd.hpp>
#include <boost/container_hash/detail/mulx.hpp>
#include <boost/type_traits/integral_constant.hpp>
#include <boost/type_traits/enable_if.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/cstdint.hpp>
#include <iterator>
#include <limits>
#include <cstddef>
#include <climits>
#include <cstring>
namespace boost
{
namespace hash_detail
{
template<class T> struct is_char_type: public boost::false_type {};
#if CHAR_BIT == 8
template<> struct is_char_type<char>: public boost::true_type {};
template<> struct is_char_type<signed char>: public boost::true_type {};
template<> struct is_char_type<unsigned char>: public boost::true_type {};
#if defined(__cpp_char8_t) && __cpp_char8_t >= 201811L
template<> struct is_char_type<char8_t>: public boost::true_type {};
#endif
#if defined(__cpp_lib_byte) && __cpp_lib_byte >= 201603L
template<> struct is_char_type<std::byte>: public boost::true_type {};
#endif
#endif
// generic version
template<class It>
inline typename boost::enable_if_<
!is_char_type<typename std::iterator_traits<It>::value_type>::value,
std::size_t >::type
hash_range( std::size_t seed, It first, It last )
{
for( ; first != last; ++first )
{
hash_combine<typename std::iterator_traits<It>::value_type>( seed, *first );
}
return seed;
}
// specialized char[] version, 32 bit
template<class It> inline boost::uint32_t read32le( It p )
{
// clang 5+, gcc 5+ figure out this pattern and use a single mov on x86
// gcc on s390x and power BE even knows how to use load-reverse
boost::uint32_t w =
static_cast<boost::uint32_t>( static_cast<unsigned char>( p[0] ) ) |
static_cast<boost::uint32_t>( static_cast<unsigned char>( p[1] ) ) << 8 |
static_cast<boost::uint32_t>( static_cast<unsigned char>( p[2] ) ) << 16 |
static_cast<boost::uint32_t>( static_cast<unsigned char>( p[3] ) ) << 24;
return w;
}
#if defined(_MSC_VER) && !defined(__clang__)
template<class T> inline boost::uint32_t read32le( T* p )
{
boost::uint32_t w;
std::memcpy( &w, p, 4 );
return w;
}
#endif
inline boost::uint64_t mul32( boost::uint32_t x, boost::uint32_t y )
{
return static_cast<boost::uint64_t>( x ) * y;
}
template<class It>
inline typename boost::enable_if_<
is_char_type<typename std::iterator_traits<It>::value_type>::value &&
is_same<typename std::iterator_traits<It>::iterator_category, std::random_access_iterator_tag>::value &&
std::numeric_limits<std::size_t>::digits <= 32,
std::size_t>::type
hash_range( std::size_t seed, It first, It last )
{
It p = first;
std::size_t n = static_cast<std::size_t>( last - first );
boost::uint32_t const q = 0x9e3779b9U;
boost::uint32_t const k = 0xe35e67b1U; // q * q
boost::uint64_t h = mul32( static_cast<boost::uint32_t>( seed ) + q, k );
boost::uint32_t w = static_cast<boost::uint32_t>( h & 0xFFFFFFFF );
h ^= n;
while( n >= 4 )
{
boost::uint32_t v1 = read32le( p );
w += q;
h ^= mul32( v1 + w, k );
p += 4;
n -= 4;
}
{
boost::uint32_t v1 = 0;
if( n >= 1 )
{
std::size_t const x1 = ( n - 1 ) & 2; // 1: 0, 2: 0, 3: 2
std::size_t const x2 = n >> 1; // 1: 0, 2: 1, 3: 1
v1 =
static_cast<boost::uint32_t>( static_cast<unsigned char>( p[ static_cast<std::ptrdiff_t>( x1 ) ] ) ) << x1 * 8 |
static_cast<boost::uint32_t>( static_cast<unsigned char>( p[ static_cast<std::ptrdiff_t>( x2 ) ] ) ) << x2 * 8 |
static_cast<boost::uint32_t>( static_cast<unsigned char>( p[ 0 ] ) );
}
w += q;
h ^= mul32( v1 + w, k );
}
w += q;
h ^= mul32( static_cast<boost::uint32_t>( h & 0xFFFFFFFF ) + w, static_cast<boost::uint32_t>( h >> 32 ) + w + k );
return static_cast<boost::uint32_t>( h & 0xFFFFFFFF ) ^ static_cast<boost::uint32_t>( h >> 32 );
}
template<class It>
inline typename boost::enable_if_<
is_char_type<typename std::iterator_traits<It>::value_type>::value &&
!is_same<typename std::iterator_traits<It>::iterator_category, std::random_access_iterator_tag>::value &&
std::numeric_limits<std::size_t>::digits <= 32,
std::size_t>::type
hash_range( std::size_t seed, It first, It last )
{
std::size_t n = 0;
boost::uint32_t const q = 0x9e3779b9U;
boost::uint32_t const k = 0xe35e67b1U; // q * q
boost::uint64_t h = mul32( static_cast<boost::uint32_t>( seed ) + q, k );
boost::uint32_t w = static_cast<boost::uint32_t>( h & 0xFFFFFFFF );
boost::uint32_t v1 = 0;
for( ;; )
{
v1 = 0;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint32_t>( static_cast<unsigned char>( *first ) );
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint32_t>( static_cast<unsigned char>( *first ) ) << 8;
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint32_t>( static_cast<unsigned char>( *first ) ) << 16;
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint32_t>( static_cast<unsigned char>( *first ) ) << 24;
++first;
++n;
w += q;
h ^= mul32( v1 + w, k );
}
h ^= n;
w += q;
h ^= mul32( v1 + w, k );
w += q;
h ^= mul32( static_cast<boost::uint32_t>( h & 0xFFFFFFFF ) + w, static_cast<boost::uint32_t>( h >> 32 ) + w + k );
return static_cast<boost::uint32_t>( h & 0xFFFFFFFF ) ^ static_cast<boost::uint32_t>( h >> 32 );
}
// specialized char[] version, 64 bit
template<class It> inline boost::uint64_t read64le( It p )
{
boost::uint64_t w =
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[0] ) ) |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[1] ) ) << 8 |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[2] ) ) << 16 |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[3] ) ) << 24 |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[4] ) ) << 32 |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[5] ) ) << 40 |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[6] ) ) << 48 |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[7] ) ) << 56;
return w;
}
#if defined(_MSC_VER) && !defined(__clang__)
template<class T> inline boost::uint64_t read64le( T* p )
{
boost::uint64_t w;
std::memcpy( &w, p, 8 );
return w;
}
#endif
template<class It>
inline typename boost::enable_if_<
is_char_type<typename std::iterator_traits<It>::value_type>::value &&
is_same<typename std::iterator_traits<It>::iterator_category, std::random_access_iterator_tag>::value &&
(std::numeric_limits<std::size_t>::digits > 32),
std::size_t>::type
hash_range( std::size_t seed, It first, It last )
{
It p = first;
std::size_t n = static_cast<std::size_t>( last - first );
boost::uint64_t const q = static_cast<boost::uint64_t>( 0x9e3779b9 ) << 32 | 0x7f4a7c15;
boost::uint64_t const k = static_cast<boost::uint64_t>( 0xdf442d22 ) << 32 | 0xce4859b9; // q * q
boost::uint64_t w = mulx( seed + q, k );
boost::uint64_t h = w ^ n;
while( n >= 8 )
{
boost::uint64_t v1 = read64le( p );
w += q;
h ^= mulx( v1 + w, k );
p += 8;
n -= 8;
}
{
boost::uint64_t v1 = 0;
if( n >= 4 )
{
v1 = static_cast<boost::uint64_t>( read32le( p + static_cast<std::ptrdiff_t>( n - 4 ) ) ) << ( n - 4 ) * 8 | read32le( p );
}
else if( n >= 1 )
{
std::size_t const x1 = ( n - 1 ) & 2; // 1: 0, 2: 0, 3: 2
std::size_t const x2 = n >> 1; // 1: 0, 2: 1, 3: 1
v1 =
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[ static_cast<std::ptrdiff_t>( x1 ) ] ) ) << x1 * 8 |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[ static_cast<std::ptrdiff_t>( x2 ) ] ) ) << x2 * 8 |
static_cast<boost::uint64_t>( static_cast<unsigned char>( p[ 0 ] ) );
}
w += q;
h ^= mulx( v1 + w, k );
}
return mulx( h + w, k );
}
template<class It>
inline typename boost::enable_if_<
is_char_type<typename std::iterator_traits<It>::value_type>::value &&
!is_same<typename std::iterator_traits<It>::iterator_category, std::random_access_iterator_tag>::value &&
(std::numeric_limits<std::size_t>::digits > 32),
std::size_t>::type
hash_range( std::size_t seed, It first, It last )
{
std::size_t n = 0;
boost::uint64_t const q = static_cast<boost::uint64_t>( 0x9e3779b9 ) << 32 | 0x7f4a7c15;
boost::uint64_t const k = static_cast<boost::uint64_t>( 0xdf442d22 ) << 32 | 0xce4859b9; // q * q
boost::uint64_t w = mulx( seed + q, k );
boost::uint64_t h = w;
boost::uint64_t v1 = 0;
for( ;; )
{
v1 = 0;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint64_t>( static_cast<unsigned char>( *first ) );
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint64_t>( static_cast<unsigned char>( *first ) ) << 8;
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint64_t>( static_cast<unsigned char>( *first ) ) << 16;
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint64_t>( static_cast<unsigned char>( *first ) ) << 24;
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint64_t>( static_cast<unsigned char>( *first ) ) << 32;
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint64_t>( static_cast<unsigned char>( *first ) ) << 40;
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint64_t>( static_cast<unsigned char>( *first ) ) << 48;
++first;
++n;
if( first == last )
{
break;
}
v1 |= static_cast<boost::uint64_t>( static_cast<unsigned char>( *first ) ) << 56;
++first;
++n;
w += q;
h ^= mulx( v1 + w, k );
}
h ^= n;
w += q;
h ^= mulx( v1 + w, k );
return mulx( h + w, k );
}
} // namespace hash_detail
} // namespace boost
#endif // #ifndef BOOST_HASH_DETAIL_HASH_RANGE_HPP

156
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@@ -0,0 +1,156 @@
// Copyright 2005-2009 Daniel James.
// Copyright 2021 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_HASH_DETAIL_HASH_TUPLE_LIKE_HPP
#define BOOST_HASH_DETAIL_HASH_TUPLE_LIKE_HPP
#include <boost/container_hash/hash_fwd.hpp>
#include <boost/container_hash/is_tuple_like.hpp>
#include <boost/container_hash/is_range.hpp>
#include <boost/type_traits/enable_if.hpp>
#include <boost/config.hpp>
#include <boost/config/workaround.hpp>
#if defined(BOOST_NO_CXX11_HDR_TUPLE)
// no support for tuple-likes
#else
#include <tuple>
namespace boost
{
namespace hash_detail
{
template <std::size_t I, typename T>
inline
typename boost::enable_if_<(I == std::tuple_size<T>::value), void>::type
hash_combine_tuple_like( std::size_t&, T const& )
{
}
template <std::size_t I, typename T>
inline
typename boost::enable_if_<(I < std::tuple_size<T>::value), void>::type
hash_combine_tuple_like( std::size_t& seed, T const& v )
{
using std::get;
boost::hash_combine( seed, get<I>( v ) );
boost::hash_detail::hash_combine_tuple_like<I + 1>( seed, v );
}
template <typename T>
inline std::size_t hash_tuple_like( T const& v )
{
std::size_t seed = 0;
boost::hash_detail::hash_combine_tuple_like<0>( seed, v );
return seed;
}
} // namespace hash_detail
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1800)
template <class T>
inline
typename boost::enable_if_<
container_hash::is_tuple_like<T>::value && !container_hash::is_range<T>::value,
std::size_t>::type
hash_value( T const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
#else
template <typename... T>
inline std::size_t hash_value( std::tuple<T...> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
#endif
#else
inline std::size_t hash_value( std::tuple<> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0>
inline std::size_t hash_value( std::tuple<A0> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1>
inline std::size_t hash_value( std::tuple<A0, A1> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1, typename A2>
inline std::size_t hash_value( std::tuple<A0, A1, A2> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1, typename A2, typename A3>
inline std::size_t hash_value( std::tuple<A0, A1, A2, A3> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1, typename A2, typename A3, typename A4>
inline std::size_t hash_value( std::tuple<A0, A1, A2, A3, A4> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5>
inline std::size_t hash_value( std::tuple<A0, A1, A2, A3, A4, A5> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
inline std::size_t hash_value( std::tuple<A0, A1, A2, A3, A4, A5, A6> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
inline std::size_t hash_value( std::tuple<A0, A1, A2, A3, A4, A5, A6, A7> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
inline std::size_t hash_value( std::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
template<typename A0, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
inline std::size_t hash_value( std::tuple<A0, A1, A2, A3, A4, A5, A6, A7, A8, A9> const& v )
{
return boost::hash_detail::hash_tuple_like( v );
}
#endif // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
} // namespace boost
#endif // #if defined(BOOST_NO_CXX11_HDR_TUPLE)
#endif // #ifndef BOOST_HASH_DETAIL_HASH_TUPLE_LIKE_HPP

49
linx64/include/boost/container_hash/detail/limits.hpp
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@@ -1,28 +1,11 @@
// Copyright 2005-2009 Daniel James.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// On some platforms std::limits gives incorrect values for long double.
// This tries to work around them.
#if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER)
#ifndef BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER
#define BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER
#include <boost/config.hpp>
#if defined(BOOST_HAS_PRAGMA_ONCE)
#pragma once
#endif
#include <boost/limits.hpp>
// On OpenBSD, numeric_limits is not reliable for long doubles, but
// the macros defined in <float.h> are and support long double when STLport
// doesn't.
#if defined(__OpenBSD__) || defined(_STLP_NO_LONG_DOUBLE)
#include <float.h>
#endif
#include <limits>
namespace boost
{
@@ -30,33 +13,7 @@ namespace boost
{
template <class T>
struct limits : std::numeric_limits<T> {};
#if defined(__OpenBSD__) || defined(_STLP_NO_LONG_DOUBLE)
template <>
struct limits<long double>
: std::numeric_limits<long double>
{
static long double epsilon() {
return LDBL_EPSILON;
}
static long double (max)() {
return LDBL_MAX;
}
static long double (min)() {
return LDBL_MIN;
}
BOOST_STATIC_CONSTANT(int, digits = LDBL_MANT_DIG);
BOOST_STATIC_CONSTANT(int, max_exponent = LDBL_MAX_EXP);
BOOST_STATIC_CONSTANT(int, min_exponent = LDBL_MIN_EXP);
#if defined(_STLP_NO_LONG_DOUBLE)
BOOST_STATIC_CONSTANT(int, radix = FLT_RADIX);
#endif
};
#endif // __OpenBSD__
}
}
#endif
#endif // #ifndef BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER

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@@ -0,0 +1,79 @@
// Copyright 2022, 2023 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#ifndef BOOST_HASH_DETAIL_MULX_HPP
#define BOOST_HASH_DETAIL_MULX_HPP
#include <boost/cstdint.hpp>
#if defined(_MSC_VER)
# include <intrin.h>
#endif
namespace boost
{
namespace hash_detail
{
#if defined(_MSC_VER) && defined(_M_X64) && !defined(__clang__)
__forceinline boost::uint64_t mulx( boost::uint64_t x, boost::uint64_t y )
{
boost::uint64_t r2;
boost::uint64_t r = _umul128( x, y, &r2 );
return r ^ r2;
}
#elif defined(_MSC_VER) && defined(_M_ARM64) && !defined(__clang__)
__forceinline boost::uint64_t mulx( boost::uint64_t x, boost::uint64_t y )
{
boost::uint64_t r = x * y;
boost::uint64_t r2 = __umulh( x, y );
return r ^ r2;
}
#elif defined(__SIZEOF_INT128__)
inline boost::uint64_t mulx( boost::uint64_t x, boost::uint64_t y )
{
__uint128_t r = static_cast<__uint128_t>( x ) * y;
return static_cast<boost::uint64_t>( r ) ^ static_cast<boost::uint64_t>( r >> 64 );
}
#else
inline boost::uint64_t mulx( boost::uint64_t x, boost::uint64_t y )
{
boost::uint64_t x1 = static_cast<boost::uint32_t>( x );
boost::uint64_t x2 = x >> 32;
boost::uint64_t y1 = static_cast<boost::uint32_t>( y );
boost::uint64_t y2 = y >> 32;
boost::uint64_t r3 = x2 * y2;
boost::uint64_t r2a = x1 * y2;
r3 += r2a >> 32;
boost::uint64_t r2b = x2 * y1;
r3 += r2b >> 32;
boost::uint64_t r1 = x1 * y1;
boost::uint64_t r2 = (r1 >> 32) + static_cast<boost::uint32_t>( r2a ) + static_cast<boost::uint32_t>( r2b );
r1 = (r2 << 32) + static_cast<boost::uint32_t>( r1 );
r3 += r2 >> 32;
return r1 ^ r3;
}
#endif
} // namespace hash_detail
} // namespace boost
#endif // #ifndef BOOST_HASH_DETAIL_MULX_HPP

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linx64/include/boost/container_hash/detail/requires_cxx11.hpp Normal file
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@@ -0,0 +1,22 @@
#ifndef BOOST_HASH_DETAIL_REQUIRES_CXX11_HPP_INCLUDED
#define BOOST_HASH_DETAIL_REQUIRES_CXX11_HPP_INCLUDED
// Copyright 2023 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/config.hpp>
#include <boost/config/pragma_message.hpp>
#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || \
defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || \
defined(BOOST_NO_CXX11_DECLTYPE) || \
defined(BOOST_NO_CXX11_CONSTEXPR) || \
defined(BOOST_NO_CXX11_NOEXCEPT) || \
defined(BOOST_NO_CXX11_HDR_TUPLE)
BOOST_PRAGMA_MESSAGE("C++03 support was deprecated in Boost.ContainerHash 1.82 and will be removed in Boost.ContainerHash 1.84. Please open an issue in https://github.com/boostorg/container_hash if you want it retained.")
#endif
#endif // #ifndef BOOST_HASH_DETAIL_REQUIRES_CXX11_HPP_INCLUDED