From 8e761289a2446367267c6c0d9a26e734f0f78306 Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Wed, 16 Dec 2020 20:29:05 +0300 Subject: Get rid of legacy build systems and rename cutl/ to libcutl/ --- .../functional/hash/detail/float_functions.hpp | 336 --------------------- 1 file changed, 336 deletions(-) delete mode 100644 cutl/details/boost/functional/hash/detail/float_functions.hpp (limited to 'cutl/details/boost/functional/hash/detail/float_functions.hpp') diff --git a/cutl/details/boost/functional/hash/detail/float_functions.hpp b/cutl/details/boost/functional/hash/detail/float_functions.hpp deleted file mode 100644 index 1d5a02b..0000000 --- a/cutl/details/boost/functional/hash/detail/float_functions.hpp +++ /dev/null @@ -1,336 +0,0 @@ - -// 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 -#include - -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once -#endif - -// 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 cutl_details_boost { - namespace hash_detail { - template - struct call_ldexp { - typedef Float float_type; - inline Float operator()(Float x, int y) const { - return std::ldexp(x, y); - } - }; - - template - struct call_frexp { - typedef Float float_type; - inline Float operator()(Float x, int* y) const { - return std::frexp(x, y); - } - }; - - template - 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 cutl_details_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 struct is; - template <> struct is { char x[10]; }; - template <> struct is { char x[20]; }; - template <> struct is { char x[30]; }; - template <> struct is { char x[40]; }; - - // Used to convert the return type of a function to a type for sizeof. - - template is float_type(T); - - // call_ldexp - // - // This will get specialized for float and long double - - template 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 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 cutl_details_boost_hash_detect_float_functions { - template cutl_details_boost::hash_detail::not_found ldexp(Float, int); - template cutl_details_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 cutl_details_boost_hash_detect_float_functions { \ - template \ - cutl_details_boost::hash_detail::not_found c99_func(Float, type2); \ -} \ - \ -namespace cutl_details_boost { \ - namespace hash_detail { \ - namespace c99_func##_detect { \ - using namespace std; \ - using namespace cutl_details_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)); \ - BOOST_STATIC_CONSTANT(bool, c99 = \ - sizeof(float_type(c99_func(x,y))) \ - == sizeof(is)); \ - }; \ - } \ - \ - template \ - struct call_c99_##c99_func : \ - cutl_details_boost::hash_detail::call_##cpp_func {}; \ - \ - template <> \ - struct call_c99_##c99_func { \ - typedef type1 float_type; \ - \ - template \ - inline type1 operator()(type1 a, T b) const \ - { \ - using namespace std; \ - return c99_func(a, b); \ - } \ - }; \ - \ - template \ - struct call_cpp_##c99_func : \ - call_c99_##c99_func< \ - ::cutl_details_boost::hash_detail::c99_func##_detect::check::c99 \ - > {}; \ - \ - template <> \ - struct call_cpp_##c99_func { \ - typedef type1 float_type; \ - \ - template \ - inline type1 operator()(type1 a, T b) const \ - { \ - using namespace std; \ - return cpp_func(a, b); \ - } \ - }; \ - \ - template <> \ - struct call_##cpp_func : \ - call_cpp_##c99_func< \ - ::cutl_details_boost::hash_detail::c99_func##_detect::check::cpp \ - > {}; \ - } \ -} - -#define BOOST_HASH_CALL_FLOAT_MACRO(cpp_func, c99_func, type1, type2) \ -namespace cutl_details_boost { \ - namespace hash_detail { \ - \ - template <> \ - struct call_##cpp_func { \ - 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 cutl_details_boost -{ - namespace hash_detail - { - template - struct select_hash_type_impl { - typedef double type; - }; - - template <> - struct select_hash_type_impl { - typedef float type; - }; - - template <> - struct select_hash_type_impl { - 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 - struct select_hash_type : select_hash_type_impl< - BOOST_DEDUCED_TYPENAME call_ldexp::float_type, - BOOST_DEDUCED_TYPENAME call_frexp::float_type - > {}; - } -} - -#endif // BOOST_HASH_CONFORMANT_FLOATS - -#endif -- cgit v1.1