Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/functional/hash/detail')
4 files changed, 127 insertions, 62 deletions
diff --git a/3rdParty/Boost/src/boost/functional/hash/detail/container_fwd_0x.hpp b/3rdParty/Boost/src/boost/functional/hash/detail/container_fwd_0x.hpp deleted file mode 100644 index bed7730..0000000 --- a/3rdParty/Boost/src/boost/functional/hash/detail/container_fwd_0x.hpp +++ /dev/null @@ -1,29 +0,0 @@ - -// Copyright 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_DETAIL_CONTAINER_FWD_0X_HPP) -#define BOOST_DETAIL_CONTAINER_FWD_0X_HPP - -#include <boost/detail/container_fwd.hpp> - -// std::array - -#if !defined(BOOST_NO_CXX11_HDR_ARRAY) -# include <array> -#endif - -// std::tuple - -#if !defined(BOOST_NO_CXX11_HDR_TUPLE) -# include <tuple> -#endif - -// std::shared_ptr/std::unique_ptr - -#if !defined(BOOST_NO_CXX11_HDR_MEMORY) -# include <memory> -#endif - -#endif diff --git a/3rdParty/Boost/src/boost/functional/hash/detail/float_functions.hpp b/3rdParty/Boost/src/boost/functional/hash/detail/float_functions.hpp index ae03ff0..f3db52f 100644 --- a/3rdParty/Boost/src/boost/functional/hash/detail/float_functions.hpp +++ b/3rdParty/Boost/src/boost/functional/hash/detail/float_functions.hpp @@ -7,12 +7,100 @@ #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> -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once +// 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 @@ -243,4 +331,6 @@ namespace boost } } +#endif // BOOST_HASH_CONFORMANT_FLOATS + #endif diff --git a/3rdParty/Boost/src/boost/functional/hash/detail/hash_float.hpp b/3rdParty/Boost/src/boost/functional/hash/detail/hash_float.hpp index 3edc6ab..ee0ee87 100644 --- a/3rdParty/Boost/src/boost/functional/hash/detail/hash_float.hpp +++ b/3rdParty/Boost/src/boost/functional/hash/detail/hash_float.hpp @@ -6,11 +6,11 @@ #if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_HASH_FLOAT_HEADER) #define BOOST_FUNCTIONAL_HASH_DETAIL_HASH_FLOAT_HEADER -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once +#include <boost/config.hpp> +#if defined(BOOST_HAS_PRAGMA_ONCE) +#pragma once #endif -#include <boost/config.hpp> #include <boost/functional/hash/detail/float_functions.hpp> #include <boost/functional/hash/detail/limits.hpp> #include <boost/utility/enable_if.hpp> @@ -73,7 +73,9 @@ namespace boost ptr += sizeof(std::size_t); while(length >= sizeof(std::size_t)) { - hash_float_combine(seed, *(std::size_t*) ptr); + 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); } @@ -88,15 +90,21 @@ namespace boost 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< - std::numeric_limits<Float>::is_iec559 && - std::numeric_limits<Float>::digits == 24 && - std::numeric_limits<Float>::radix == 2 && - std::numeric_limits<Float>::max_exponent == 128, - int>::type - ) + enable_binary_hash<Float, 24, 128>::value, + std::size_t>::type) { return hash_binary((char*) &v, 4); } @@ -105,12 +113,8 @@ namespace boost template <typename Float> inline std::size_t float_hash_impl(Float v, BOOST_DEDUCED_TYPENAME boost::enable_if_c< - std::numeric_limits<Float>::is_iec559 && - std::numeric_limits<Float>::digits == 53 && - std::numeric_limits<Float>::radix == 2 && - std::numeric_limits<Float>::max_exponent == 1024, - int>::type - ) + enable_binary_hash<Float, 53, 1024>::value, + std::size_t>::type) { return hash_binary((char*) &v, 8); } @@ -118,12 +122,8 @@ namespace boost template <typename Float> inline std::size_t float_hash_impl(Float v, BOOST_DEDUCED_TYPENAME boost::enable_if_c< - std::numeric_limits<Float>::is_iec559 && - std::numeric_limits<Float>::digits == 64 && - std::numeric_limits<Float>::radix == 2 && - std::numeric_limits<Float>::max_exponent == 16384, - int>::type - ) + enable_binary_hash<Float, 64, 16384>::value, + std::size_t>::type) { return hash_binary((char*) &v, 10); } @@ -131,12 +131,8 @@ namespace boost template <typename Float> inline std::size_t float_hash_impl(Float v, BOOST_DEDUCED_TYPENAME boost::enable_if_c< - std::numeric_limits<Float>::is_iec559 && - std::numeric_limits<Float>::digits == 113 && - std::numeric_limits<Float>::radix == 2 && - std::numeric_limits<Float>::max_exponent == 16384, - int>::type - ) + enable_binary_hash<Float, 113, 16384>::value, + std::size_t>::type) { return hash_binary((char*) &v, 16); } @@ -210,8 +206,15 @@ namespace boost 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)) { + switch (fpclassify(v)) +#endif + { case FP_ZERO: return 0; case FP_INFINITE: diff --git a/3rdParty/Boost/src/boost/functional/hash/detail/limits.hpp b/3rdParty/Boost/src/boost/functional/hash/detail/limits.hpp index f5b520e..4a971a6 100644 --- a/3rdParty/Boost/src/boost/functional/hash/detail/limits.hpp +++ b/3rdParty/Boost/src/boost/functional/hash/detail/limits.hpp @@ -9,8 +9,9 @@ #if !defined(BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER) #define BOOST_FUNCTIONAL_HASH_DETAIL_LIMITS_HEADER -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once +#include <boost/config.hpp> +#if defined(BOOST_HAS_PRAGMA_ONCE) +#pragma once #endif #include <boost/limits.hpp> |