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336
externals/vcpkg/packages/boost-container-hash_x64-windows/include/boost/container_hash/detail/float_functions.hpp vendored Executable file
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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

271
externals/vcpkg/packages/boost-container-hash_x64-windows/include/boost/container_hash/detail/hash_float.hpp vendored Executable file
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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

62
externals/vcpkg/packages/boost-container-hash_x64-windows/include/boost/container_hash/detail/limits.hpp vendored Executable file
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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)
//
// 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)
#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
namespace boost
{
namespace hash_detail
{
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

361
externals/vcpkg/packages/boost-container-hash_x64-windows/include/boost/container_hash/extensions.hpp vendored Executable file
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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)
// Based on Peter Dimov's proposal
// http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
// issue 6.18.
// This implements the extensions to the standard.
// It's undocumented, so you shouldn't use it....
#if !defined(BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP)
#define BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP
#include <boost/config.hpp>
#if defined(BOOST_HAS_PRAGMA_ONCE)
#pragma once
#endif
#include <boost/container_hash/hash.hpp>
#include <boost/detail/container_fwd.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/static_assert.hpp>
#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
# include <array>
#endif
#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
# include <tuple>
#endif
#include <memory>
#if defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
#include <boost/type_traits/is_array.hpp>
#endif
namespace boost
{
template <class A, class B>
std::size_t hash_value(std::pair<A, B> const&);
template <class T, class A>
std::size_t hash_value(std::vector<T, A> const&);
template <class T, class A>
std::size_t hash_value(std::list<T, A> const& v);
template <class T, class A>
std::size_t hash_value(std::deque<T, A> const& v);
template <class K, class C, class A>
std::size_t hash_value(std::set<K, C, A> const& v);
template <class K, class C, class A>
std::size_t hash_value(std::multiset<K, C, A> const& v);
template <class K, class T, class C, class A>
std::size_t hash_value(std::map<K, T, C, A> const& v);
template <class K, class T, class C, class A>
std::size_t hash_value(std::multimap<K, T, C, A> const& v);
template <class T>
std::size_t hash_value(std::complex<T> const&);
template <class A, class B>
std::size_t hash_value(std::pair<A, B> const& v)
{
std::size_t seed = 0;
boost::hash_combine(seed, v.first);
boost::hash_combine(seed, v.second);
return seed;
}
template <class T, class A>
std::size_t hash_value(std::vector<T, A> const& v)
{
return boost::hash_range(v.begin(), v.end());
}
template <class T, class A>
std::size_t hash_value(std::list<T, A> const& v)
{
return boost::hash_range(v.begin(), v.end());
}
template <class T, class A>
std::size_t hash_value(std::deque<T, A> const& v)
{
return boost::hash_range(v.begin(), v.end());
}
template <class K, class C, class A>
std::size_t hash_value(std::set<K, C, A> const& v)
{
return boost::hash_range(v.begin(), v.end());
}
template <class K, class C, class A>
std::size_t hash_value(std::multiset<K, C, A> const& v)
{
return boost::hash_range(v.begin(), v.end());
}
template <class K, class T, class C, class A>
std::size_t hash_value(std::map<K, T, C, A> const& v)
{
return boost::hash_range(v.begin(), v.end());
}
template <class K, class T, class C, class A>
std::size_t hash_value(std::multimap<K, T, C, A> const& v)
{
return boost::hash_range(v.begin(), v.end());
}
template <class T>
std::size_t hash_value(std::complex<T> const& v)
{
boost::hash<T> hasher;
std::size_t seed = hasher(v.imag());
seed ^= hasher(v.real()) + (seed<<6) + (seed>>2);
return seed;
}
#if !defined(BOOST_NO_CXX11_HDR_ARRAY)
template <class T, std::size_t N>
std::size_t hash_value(std::array<T, N> const& v)
{
return boost::hash_range(v.begin(), v.end());
}
#endif
#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
namespace hash_detail {
template <std::size_t I, typename T>
inline typename boost::enable_if_c<(I == std::tuple_size<T>::value),
void>::type
hash_combine_tuple(std::size_t&, T const&)
{
}
template <std::size_t I, typename T>
inline typename boost::enable_if_c<(I < std::tuple_size<T>::value),
void>::type
hash_combine_tuple(std::size_t& seed, T const& v)
{
boost::hash_combine(seed, std::get<I>(v));
boost::hash_detail::hash_combine_tuple<I + 1>(seed, v);
}
template <typename T>
inline std::size_t hash_tuple(T const& v)
{
std::size_t seed = 0;
boost::hash_detail::hash_combine_tuple<0>(seed, v);
return seed;
}
}
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template <typename... T>
inline std::size_t hash_value(std::tuple<T...> const& v)
{
return boost::hash_detail::hash_tuple(v);
}
#else
inline std::size_t hash_value(std::tuple<> const& v)
{
return boost::hash_detail::hash_tuple(v);
}
template<typename A0>
inline std::size_t hash_value(std::tuple<A0> const& v)
{
return boost::hash_detail::hash_tuple(v);
}
template<typename A0, typename A1>
inline std::size_t hash_value(std::tuple<A0, A1> const& v)
{
return boost::hash_detail::hash_tuple(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(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(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(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(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(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(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(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(v);
}
#endif
#endif
#if !defined(BOOST_NO_CXX11_SMART_PTR)
template <typename T>
inline std::size_t hash_value(std::shared_ptr<T> const& x) {
return boost::hash_value(x.get());
}
template <typename T, typename Deleter>
inline std::size_t hash_value(std::unique_ptr<T, Deleter> const& x) {
return boost::hash_value(x.get());
}
#endif
//
// call_hash_impl
//
// On compilers without function template ordering, this deals with arrays.
#if defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
namespace hash_detail
{
template <bool IsArray>
struct call_hash_impl
{
template <class T>
struct inner
{
static std::size_t call(T const& v)
{
using namespace boost;
return hash_value(v);
}
};
};
template <>
struct call_hash_impl<true>
{
template <class Array>
struct inner
{
static std::size_t call(Array const& v)
{
const int size = sizeof(v) / sizeof(*v);
return boost::hash_range(v, v + size);
}
};
};
template <class T>
struct call_hash
: public call_hash_impl<boost::is_array<T>::value>
::BOOST_NESTED_TEMPLATE inner<T>
{
};
}
#endif // BOOST_NO_FUNCTION_TEMPLATE_ORDERING
//
// boost::hash
//
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
template <class T> struct hash
: boost::hash_detail::hash_base<T>
{
#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
std::size_t operator()(T const& val) const
{
return hash_value(val);
}
#else
std::size_t operator()(T const& val) const
{
return hash_detail::call_hash<T>::call(val);
}
#endif
};
#if BOOST_WORKAROUND(__DMC__, <= 0x848)
template <class T, unsigned int n> struct hash<T[n]>
: boost::hash_detail::hash_base<T[n]>
{
std::size_t operator()(const T* val) const
{
return boost::hash_range(val, val+n);
}
};
#endif
#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
// On compilers without partial specialization, boost::hash<T>
// has already been declared to deal with pointers, so just
// need to supply the non-pointer version of hash_impl.
namespace hash_detail
{
template <bool IsPointer>
struct hash_impl;
template <>
struct hash_impl<false>
{
template <class T>
struct inner
: boost::hash_detail::hash_base<T>
{
#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
std::size_t operator()(T const& val) const
{
return hash_value(val);
}
#else
std::size_t operator()(T const& val) const
{
return hash_detail::call_hash<T>::call(val);
}
#endif
};
};
}
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
}
#endif

767
externals/vcpkg/packages/boost-container-hash_x64-windows/include/boost/container_hash/hash.hpp vendored Executable file
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@@ -0,0 +1,767 @@
// Copyright 2005-2014 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)
// Based on Peter Dimov's proposal
// http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
// issue 6.18.
//
// This also contains public domain code from MurmurHash. From the
// MurmurHash header:
// MurmurHash3 was written by Austin Appleby, and is placed in the public
// domain. The author hereby disclaims copyright to this source code.
#if !defined(BOOST_FUNCTIONAL_HASH_HASH_HPP)
#define BOOST_FUNCTIONAL_HASH_HASH_HPP
#include <boost/container_hash/hash_fwd.hpp>
#include <functional>
#include <iterator>
#include <boost/container_hash/detail/hash_float.hpp>
#include <string>
#include <boost/limits.hpp>
#include <boost/type_traits/is_enum.hpp>
#include <boost/type_traits/is_integral.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/cstdint.hpp>
#include <climits>
#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
#include <boost/type_traits/is_pointer.hpp>
#endif
#if !defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
#include <typeindex>
#endif
#if !defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
#include <system_error>
#endif
#if defined(BOOST_MSVC)
#pragma warning(push)
#if BOOST_MSVC >= 1400
#pragma warning(disable:6295) // Ill-defined for-loop : 'unsigned int' values
// are always of range '0' to '4294967295'.
// Loop executes infinitely.
#endif
#endif
#if BOOST_WORKAROUND(__GNUC__, < 3) \
&& !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
#define BOOST_HASH_CHAR_TRAITS string_char_traits
#else
#define BOOST_HASH_CHAR_TRAITS char_traits
#endif
#if defined(_MSC_VER)
# define BOOST_FUNCTIONAL_HASH_ROTL32(x, r) _rotl(x,r)
#else
# define BOOST_FUNCTIONAL_HASH_ROTL32(x, r) (x << r) | (x >> (32 - r))
#endif
// Detect whether standard library has C++17 headers
#if !defined(BOOST_HASH_CXX17)
# if defined(BOOST_MSVC)
# if defined(_HAS_CXX17) && _HAS_CXX17
# define BOOST_HASH_CXX17 1
# endif
# elif defined(__cplusplus) && __cplusplus >= 201703
# define BOOST_HASH_CXX17 1
# endif
#endif
#if !defined(BOOST_HASH_CXX17)
# define BOOST_HASH_CXX17 0
#endif
#if BOOST_HASH_CXX17 && defined(__has_include)
# if !defined(BOOST_HASH_HAS_STRING_VIEW) && __has_include(<string_view>)
# define BOOST_HASH_HAS_STRING_VIEW 1
# endif
# if !defined(BOOST_HASH_HAS_OPTIONAL) && __has_include(<optional>)
# define BOOST_HASH_HAS_OPTIONAL 1
# endif
# if !defined(BOOST_HASH_HAS_VARIANT) && __has_include(<variant>)
# define BOOST_HASH_HAS_VARIANT 1
# endif
#endif
#if !defined(BOOST_HASH_HAS_STRING_VIEW)
# define BOOST_HASH_HAS_STRING_VIEW 0
#endif
#if !defined(BOOST_HASH_HAS_OPTIONAL)
# define BOOST_HASH_HAS_OPTIONAL 0
#endif
#if !defined(BOOST_HASH_HAS_VARIANT)
# define BOOST_HASH_HAS_VARIANT 0
#endif
#if BOOST_HASH_HAS_STRING_VIEW
# include <string_view>
#endif
#if BOOST_HASH_HAS_OPTIONAL
# include <optional>
#endif
#if BOOST_HASH_HAS_VARIANT
# include <variant>
#endif
namespace boost
{
namespace hash_detail
{
#if defined(BOOST_NO_CXX98_FUNCTION_BASE)
template <typename T>
struct hash_base
{
typedef T argument_type;
typedef std::size_t result_type;
};
#else
template <typename T>
struct hash_base : std::unary_function<T, std::size_t> {};
#endif
struct enable_hash_value { typedef std::size_t type; };
template <typename T> struct basic_numbers {};
template <typename T> struct long_numbers;
template <typename T> struct ulong_numbers;
template <typename T> struct float_numbers {};
template <> struct basic_numbers<bool> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<char> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<unsigned char> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<signed char> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<short> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<unsigned short> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<int> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<unsigned int> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<long> :
boost::hash_detail::enable_hash_value {};
template <> struct basic_numbers<unsigned long> :
boost::hash_detail::enable_hash_value {};
#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
template <> struct basic_numbers<wchar_t> :
boost::hash_detail::enable_hash_value {};
#endif
#if !defined(BOOST_NO_CXX11_CHAR16_T)
template <> struct basic_numbers<char16_t> :
boost::hash_detail::enable_hash_value {};
#endif
#if !defined(BOOST_NO_CXX11_CHAR32_T)
template <> struct basic_numbers<char32_t> :
boost::hash_detail::enable_hash_value {};
#endif
// long_numbers is defined like this to allow for separate
// specialization for long_long and int128_type, in case
// they conflict.
template <typename T> struct long_numbers2 {};
template <typename T> struct ulong_numbers2 {};
template <typename T> struct long_numbers : long_numbers2<T> {};
template <typename T> struct ulong_numbers : ulong_numbers2<T> {};
#if !defined(BOOST_NO_LONG_LONG)
template <> struct long_numbers<boost::long_long_type> :
boost::hash_detail::enable_hash_value {};
template <> struct ulong_numbers<boost::ulong_long_type> :
boost::hash_detail::enable_hash_value {};
#endif
#if defined(BOOST_HAS_INT128)
template <> struct long_numbers2<boost::int128_type> :
boost::hash_detail::enable_hash_value {};
template <> struct ulong_numbers2<boost::uint128_type> :
boost::hash_detail::enable_hash_value {};
#endif
template <> struct float_numbers<float> :
boost::hash_detail::enable_hash_value {};
template <> struct float_numbers<double> :
boost::hash_detail::enable_hash_value {};
template <> struct float_numbers<long double> :
boost::hash_detail::enable_hash_value {};
}
template <typename T>
typename boost::hash_detail::basic_numbers<T>::type hash_value(T);
template <typename T>
typename boost::hash_detail::long_numbers<T>::type hash_value(T);
template <typename T>
typename boost::hash_detail::ulong_numbers<T>::type hash_value(T);
template <typename T>
typename boost::enable_if<boost::is_enum<T>, std::size_t>::type
hash_value(T);
#if !BOOST_WORKAROUND(__DMC__, <= 0x848)
template <class T> std::size_t hash_value(T* const&);
#else
template <class T> std::size_t hash_value(T*);
#endif
#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
template< class T, unsigned N >
std::size_t hash_value(const T (&x)[N]);
template< class T, unsigned N >
std::size_t hash_value(T (&x)[N]);
#endif
template <class Ch, class A>
std::size_t hash_value(
std::basic_string<Ch, std::BOOST_HASH_CHAR_TRAITS<Ch>, A> const&);
#if BOOST_HASH_HAS_STRING_VIEW
template <class Ch>
std::size_t hash_value(
std::basic_string_view<Ch, std::BOOST_HASH_CHAR_TRAITS<Ch> > const&);
#endif
template <typename T>
typename boost::hash_detail::float_numbers<T>::type hash_value(T);
#if BOOST_HASH_HAS_OPTIONAL
template <typename T>
std::size_t hash_value(std::optional<T> const&);
#endif
#if BOOST_HASH_HAS_VARIANT
std::size_t hash_value(std::monostate);
template <typename... Types>
std::size_t hash_value(std::variant<Types...> const&);
#endif
#if !defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
std::size_t hash_value(std::type_index);
#endif
#if !defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
std::size_t hash_value(std::error_code const&);
std::size_t hash_value(std::error_condition const&);
#endif
// Implementation
namespace hash_detail
{
template <class T>
inline std::size_t hash_value_signed(T val)
{
const unsigned int size_t_bits = std::numeric_limits<std::size_t>::digits;
// ceiling(std::numeric_limits<T>::digits / size_t_bits) - 1
const int length = (std::numeric_limits<T>::digits - 1)
/ static_cast<int>(size_t_bits);
std::size_t seed = 0;
T positive = val < 0 ? -1 - val : val;
// Hopefully, this loop can be unrolled.
for(unsigned int i = length * size_t_bits; i > 0; i -= size_t_bits)
{
seed ^= (std::size_t) (positive >> i) + (seed<<6) + (seed>>2);
}
seed ^= (std::size_t) val + (seed<<6) + (seed>>2);
return seed;
}
template <class T>
inline std::size_t hash_value_unsigned(T val)
{
const unsigned int size_t_bits = std::numeric_limits<std::size_t>::digits;
// ceiling(std::numeric_limits<T>::digits / size_t_bits) - 1
const int length = (std::numeric_limits<T>::digits - 1)
/ static_cast<int>(size_t_bits);
std::size_t seed = 0;
// Hopefully, this loop can be unrolled.
for(unsigned int i = length * size_t_bits; i > 0; i -= size_t_bits)
{
seed ^= (std::size_t) (val >> i) + (seed<<6) + (seed>>2);
}
seed ^= (std::size_t) val + (seed<<6) + (seed>>2);
return seed;
}
template<std::size_t Bits> struct hash_combine_impl
{
template <typename SizeT>
inline static SizeT fn(SizeT seed, SizeT value)
{
seed ^= value + 0x9e3779b9 + (seed<<6) + (seed>>2);
return seed;
}
};
template<> struct hash_combine_impl<32>
{
inline static boost::uint32_t fn(boost::uint32_t h1, boost::uint32_t k1)
{
const boost::uint32_t c1 = 0xcc9e2d51;
const boost::uint32_t c2 = 0x1b873593;
k1 *= c1;
k1 = BOOST_FUNCTIONAL_HASH_ROTL32(k1,15);
k1 *= c2;
h1 ^= k1;
h1 = BOOST_FUNCTIONAL_HASH_ROTL32(h1,13);
h1 = h1*5+0xe6546b64;
return h1;
}
};
template<> struct hash_combine_impl<64>
{
inline static boost::uint64_t fn(boost::uint64_t h, boost::uint64_t k)
{
const boost::uint64_t m = (boost::uint64_t(0xc6a4a793) << 32) + 0x5bd1e995;
const int r = 47;
k *= m;
k ^= k >> r;
k *= m;
h ^= k;
h *= m;
// Completely arbitrary number, to prevent 0's
// from hashing to 0.
h += 0xe6546b64;
return h;
}
};
}
template <typename T>
typename boost::hash_detail::basic_numbers<T>::type hash_value(T v)
{
return static_cast<std::size_t>(v);
}
template <typename T>
typename boost::hash_detail::long_numbers<T>::type hash_value(T v)
{
return hash_detail::hash_value_signed(v);
}
template <typename T>
typename boost::hash_detail::ulong_numbers<T>::type hash_value(T v)
{
return hash_detail::hash_value_unsigned(v);
}
template <typename T>
typename boost::enable_if<boost::is_enum<T>, std::size_t>::type
hash_value(T v)
{
return static_cast<std::size_t>(v);
}
// Implementation by Alberto Barbati and Dave Harris.
#if !BOOST_WORKAROUND(__DMC__, <= 0x848)
template <class T> std::size_t hash_value(T* const& v)
#else
template <class T> std::size_t hash_value(T* v)
#endif
{
#if defined(__VMS) && __INITIAL_POINTER_SIZE == 64
// for some reason ptrdiff_t on OpenVMS compiler with
// 64 bit is not 64 bit !!!
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<long long int>(v));
#else
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<std::ptrdiff_t>(v));
#endif
return x + (x >> 3);
}
#if defined(BOOST_MSVC)
#pragma warning(push)
#if BOOST_MSVC <= 1400
#pragma warning(disable:4267) // 'argument' : conversion from 'size_t' to
// 'unsigned int', possible loss of data
// A misguided attempt to detect 64-bit
// incompatability.
#endif
#endif
template <class T>
inline void hash_combine(std::size_t& seed, T const& v)
{
boost::hash<T> hasher;
seed = boost::hash_detail::hash_combine_impl<sizeof(std::size_t) * CHAR_BIT>::fn(seed, hasher(v));
}
#if defined(BOOST_MSVC)
#pragma warning(pop)
#endif
template <class It>
inline std::size_t hash_range(It first, It last)
{
std::size_t seed = 0;
for(; first != last; ++first)
{
hash_combine<typename std::iterator_traits<It>::value_type>(seed, *first);
}
return seed;
}
template <class It>
inline void 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);
}
}
#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x551))
template <class T>
inline std::size_t hash_range(T* first, T* last)
{
std::size_t seed = 0;
for(; first != last; ++first)
{
boost::hash<T> hasher;
seed ^= hasher(*first) + 0x9e3779b9 + (seed<<6) + (seed>>2);
}
return seed;
}
template <class T>
inline void hash_range(std::size_t& seed, T* first, T* last)
{
for(; first != last; ++first)
{
boost::hash<T> hasher;
seed ^= hasher(*first) + 0x9e3779b9 + (seed<<6) + (seed>>2);
}
}
#endif
#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
template< class T, unsigned N >
inline std::size_t hash_value(const T (&x)[N])
{
return hash_range(x, x + N);
}
template< class T, unsigned N >
inline std::size_t hash_value(T (&x)[N])
{
return hash_range(x, x + N);
}
#endif
template <class Ch, class A>
inline std::size_t hash_value(
std::basic_string<Ch, std::BOOST_HASH_CHAR_TRAITS<Ch>, A> const& v)
{
return hash_range(v.begin(), v.end());
}
#if BOOST_HASH_HAS_STRING_VIEW
template <class Ch>
inline std::size_t hash_value(
std::basic_string_view<Ch, std::BOOST_HASH_CHAR_TRAITS<Ch> > const& v)
{
return hash_range(v.begin(), v.end());
}
#endif
template <typename T>
typename boost::hash_detail::float_numbers<T>::type hash_value(T v)
{
return boost::hash_detail::float_hash_value(v);
}
#if BOOST_HASH_HAS_OPTIONAL
template <typename T>
inline std::size_t hash_value(std::optional<T> const& v) {
if (!v) {
// Arbitray value for empty optional.
return 0x12345678;
} else {
boost::hash<T> hf;
return hf(*v);
}
}
#endif
#if BOOST_HASH_HAS_VARIANT
inline std::size_t hash_value(std::monostate) {
return 0x87654321;
}
template <typename... Types>
inline std::size_t hash_value(std::variant<Types...> const& v) {
std::size_t seed = 0;
hash_combine(seed, v.index());
std::visit([&seed](auto&& x) { hash_combine(seed, x); }, v);
return seed;
}
#endif
#if !defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
inline std::size_t hash_value(std::type_index v)
{
return v.hash_code();
}
#endif
#if !defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
inline std::size_t hash_value(std::error_code const& v) {
std::size_t seed = 0;
hash_combine(seed, v.value());
hash_combine(seed, &v.category());
return seed;
}
inline std::size_t hash_value(std::error_condition const& v) {
std::size_t seed = 0;
hash_combine(seed, v.value());
hash_combine(seed, &v.category());
return seed;
}
#endif
//
// boost::hash
//
// Define the specializations required by the standard. The general purpose
// boost::hash is defined later in extensions.hpp if
// BOOST_HASH_NO_EXTENSIONS is not defined.
// BOOST_HASH_SPECIALIZE - define a specialization for a type which is
// passed by copy.
//
// BOOST_HASH_SPECIALIZE_REF - define a specialization for a type which is
// passed by const reference.
//
// These are undefined later.
#define BOOST_HASH_SPECIALIZE(type) \
template <> struct hash<type> \
: public boost::hash_detail::hash_base<type> \
{ \
std::size_t operator()(type v) const \
{ \
return boost::hash_value(v); \
} \
};
#define BOOST_HASH_SPECIALIZE_REF(type) \
template <> struct hash<type> \
: public boost::hash_detail::hash_base<type> \
{ \
std::size_t operator()(type const& v) const \
{ \
return boost::hash_value(v); \
} \
};
#define BOOST_HASH_SPECIALIZE_TEMPLATE_REF(type) \
struct hash<type> \
: public boost::hash_detail::hash_base<type> \
{ \
std::size_t operator()(type const& v) const \
{ \
return boost::hash_value(v); \
} \
};
BOOST_HASH_SPECIALIZE(bool)
BOOST_HASH_SPECIALIZE(char)
BOOST_HASH_SPECIALIZE(signed char)
BOOST_HASH_SPECIALIZE(unsigned char)
#if !defined(BOOST_NO_INTRINSIC_WCHAR_T)
BOOST_HASH_SPECIALIZE(wchar_t)
#endif
#if !defined(BOOST_NO_CXX11_CHAR16_T)
BOOST_HASH_SPECIALIZE(char16_t)
#endif
#if !defined(BOOST_NO_CXX11_CHAR32_T)
BOOST_HASH_SPECIALIZE(char32_t)
#endif
BOOST_HASH_SPECIALIZE(short)
BOOST_HASH_SPECIALIZE(unsigned short)
BOOST_HASH_SPECIALIZE(int)
BOOST_HASH_SPECIALIZE(unsigned int)
BOOST_HASH_SPECIALIZE(long)
BOOST_HASH_SPECIALIZE(unsigned long)
BOOST_HASH_SPECIALIZE(float)
BOOST_HASH_SPECIALIZE(double)
BOOST_HASH_SPECIALIZE(long double)
BOOST_HASH_SPECIALIZE_REF(std::string)
#if !defined(BOOST_NO_STD_WSTRING) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
BOOST_HASH_SPECIALIZE_REF(std::wstring)
#endif
#if !defined(BOOST_NO_CXX11_CHAR16_T)
BOOST_HASH_SPECIALIZE_REF(std::basic_string<char16_t>)
#endif
#if !defined(BOOST_NO_CXX11_CHAR32_T)
BOOST_HASH_SPECIALIZE_REF(std::basic_string<char32_t>)
#endif
#if BOOST_HASH_HAS_STRING_VIEW
BOOST_HASH_SPECIALIZE_REF(std::string_view)
# if !defined(BOOST_NO_STD_WSTRING) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
BOOST_HASH_SPECIALIZE_REF(std::wstring_view)
# endif
# if !defined(BOOST_NO_CXX11_CHAR16_T)
BOOST_HASH_SPECIALIZE_REF(std::basic_string_view<char16_t>)
# endif
# if !defined(BOOST_NO_CXX11_CHAR32_T)
BOOST_HASH_SPECIALIZE_REF(std::basic_string_view<char32_t>)
# endif
#endif
#if !defined(BOOST_NO_LONG_LONG)
BOOST_HASH_SPECIALIZE(boost::long_long_type)
BOOST_HASH_SPECIALIZE(boost::ulong_long_type)
#endif
#if defined(BOOST_HAS_INT128)
BOOST_HASH_SPECIALIZE(boost::int128_type)
BOOST_HASH_SPECIALIZE(boost::uint128_type)
#endif
#if BOOST_HASH_HAS_OPTIONAL
template <typename T>
BOOST_HASH_SPECIALIZE_TEMPLATE_REF(std::optional<T>)
#endif
#if !defined(BOOST_HASH_HAS_VARIANT)
template <typename... T>
BOOST_HASH_SPECIALIZE_TEMPLATE_REF(std::variant<T...>)
BOOST_HASH_SPECIALIZE(std::monostate)
#endif
#if !defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
BOOST_HASH_SPECIALIZE(std::type_index)
#endif
#undef BOOST_HASH_SPECIALIZE
#undef BOOST_HASH_SPECIALIZE_REF
#undef BOOST_HASH_SPECIALIZE_TEMPLATE_REF
// Specializing boost::hash for pointers.
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
template <class T>
struct hash<T*>
: public boost::hash_detail::hash_base<T*>
{
std::size_t operator()(T* v) const
{
#if !BOOST_WORKAROUND(__SUNPRO_CC, <= 0x590)
return boost::hash_value(v);
#else
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<std::ptrdiff_t>(v));
return x + (x >> 3);
#endif
}
};
#else
// For compilers without partial specialization, we define a
// boost::hash for all remaining types. But hash_impl is only defined
// for pointers in 'extensions.hpp' - so when BOOST_HASH_NO_EXTENSIONS
// is defined there will still be a compile error for types not supported
// in the standard.
namespace hash_detail
{
template <bool IsPointer>
struct hash_impl;
template <>
struct hash_impl<true>
{
template <class T>
struct inner
: public boost::hash_detail::hash_base<T>
{
std::size_t operator()(T val) const
{
#if !BOOST_WORKAROUND(__SUNPRO_CC, <= 590)
return boost::hash_value(val);
#else
std::size_t x = static_cast<std::size_t>(
reinterpret_cast<std::ptrdiff_t>(val));
return x + (x >> 3);
#endif
}
};
};
}
template <class T> struct hash
: public boost::hash_detail::hash_impl<boost::is_pointer<T>::value>
::BOOST_NESTED_TEMPLATE inner<T>
{
};
#endif
}
#undef BOOST_HASH_CHAR_TRAITS
#undef BOOST_FUNCTIONAL_HASH_ROTL32
#if defined(BOOST_MSVC)
#pragma warning(pop)
#endif
#endif // BOOST_FUNCTIONAL_HASH_HASH_HPP
// Include this outside of the include guards in case the file is included
// twice - once with BOOST_HASH_NO_EXTENSIONS defined, and then with it
// undefined.
#if !defined(BOOST_HASH_NO_EXTENSIONS) \
&& !defined(BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP)
#include <boost/container_hash/extensions.hpp>
#endif

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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)
// Based on Peter Dimov's proposal
// http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
// issue 6.18.
#if !defined(BOOST_FUNCTIONAL_HASH_FWD_HPP)
#define BOOST_FUNCTIONAL_HASH_FWD_HPP
#include <boost/config/workaround.hpp>
#include <cstddef>
#if defined(BOOST_HAS_PRAGMA_ONCE)
#pragma once
#endif
namespace boost
{
template <class T> struct hash;
template <class T> void hash_combine(std::size_t& seed, T const& v);
template <class It> std::size_t hash_range(It, It);
template <class It> void hash_range(std::size_t&, It, It);
#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x551))
template <class T> inline std::size_t hash_range(T*, T*);
template <class T> inline void hash_range(std::size_t&, T*, T*);
#endif
}
#endif

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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)
#include <boost/container_hash/hash.hpp>

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// Copyright 2017 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)
#include <boost/container_hash/extensions.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)
#include <boost/container_hash/hash.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)
#include <boost/container_hash/hash_fwd.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)
#include <boost/container_hash/hash_fwd.hpp>