115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////
|
|
// Copyright 2010 - 2021 Douglas Gregor
|
|
// Copyright 2021 Matt Borland.
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt
|
|
//
|
|
// Used to support configuration options depending on standalone context
|
|
// by providing either required support or disabling functionality
|
|
|
|
#ifndef BOOST_MP_STANDALONE_CONFIG_HPP
|
|
#define BOOST_MP_STANDALONE_CONFIG_HPP
|
|
|
|
#include <climits>
|
|
// Boost.Config is dependency free so it is considered a requirement to use Boost.Multiprecision in standalone mode
|
|
#include <boost/config.hpp>
|
|
#include <boost/config/workaround.hpp>
|
|
|
|
// Minimum language standard transition
|
|
#ifdef _MSVC_LANG
|
|
# if _MSVC_LANG < 201402L
|
|
# pragma warning("The minimum language standard to use Boost.Math will be C++14 starting in July 2023 (Boost 1.82 release)");
|
|
# endif
|
|
#else
|
|
# if __cplusplus < 201402L
|
|
# warning "The minimum language standard to use Boost.Math will be C++14 starting in July 2023 (Boost 1.82 release)"
|
|
# endif
|
|
#endif
|
|
|
|
// If any of the most frequently used boost headers are missing assume that standalone mode is supposed to be used
|
|
#ifdef __has_include
|
|
#if !__has_include(<boost/assert.hpp>) || !__has_include(<boost/lexical_cast.hpp>) || \
|
|
!__has_include(<boost/throw_exception.hpp>) || !__has_include(<boost/predef/other/endian.h>)
|
|
# ifndef BOOST_MP_STANDALONE
|
|
# define BOOST_MP_STANDALONE
|
|
# endif
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef BOOST_MP_STANDALONE
|
|
|
|
#include <boost/integer.hpp>
|
|
#include <boost/integer_traits.hpp>
|
|
|
|
// Required typedefs for interoperability with standalone mode
|
|
#if defined(BOOST_HAS_INT128) && defined(__cplusplus)
|
|
namespace boost { namespace multiprecision {
|
|
using int128_type = boost::int128_type;
|
|
using uint128_type = boost::uint128_type;
|
|
}}
|
|
#endif
|
|
#if defined(BOOST_HAS_FLOAT128) && defined(__cplusplus)
|
|
namespace boost { namespace multiprecision {
|
|
using float128_type = boost::float128_type;
|
|
}}
|
|
#endif
|
|
|
|
// Boost.Math available by default
|
|
#define BOOST_MP_MATH_AVAILABLE
|
|
|
|
#else // Standalone mode
|
|
|
|
#ifdef BOOST_MATH_STANDALONE
|
|
# define BOOST_MP_MATH_AVAILABLE
|
|
#endif
|
|
|
|
#ifndef BOOST_MP_MATH_AVAILABLE
|
|
# define BOOST_MATH_INSTRUMENT_CODE(x)
|
|
#endif
|
|
|
|
// Prevent Macro sub
|
|
#ifndef BOOST_PREVENT_MACRO_SUBSTITUTION
|
|
# define BOOST_PREVENT_MACRO_SUBSTITUTION
|
|
#endif
|
|
|
|
#if defined(BOOST_HAS_INT128) && defined(__cplusplus)
|
|
namespace boost { namespace multiprecision {
|
|
# ifdef __GNUC__
|
|
__extension__ typedef __int128 int128_type;
|
|
__extension__ typedef unsigned __int128 uint128_type;
|
|
# else
|
|
typedef __int128 int128_type;
|
|
typedef unsigned __int128 uint128_type;
|
|
# endif
|
|
}}
|
|
|
|
#endif
|
|
// same again for __float128:
|
|
#if defined(BOOST_HAS_FLOAT128) && defined(__cplusplus)
|
|
namespace boost { namespace multiprecision {
|
|
# ifdef __GNUC__
|
|
__extension__ typedef __float128 float128_type;
|
|
# else
|
|
typedef __float128 float128_type;
|
|
# endif
|
|
}}
|
|
|
|
#endif
|
|
|
|
#endif // BOOST_MP_STANDALONE
|
|
|
|
// Workarounds for numeric limits on old compilers
|
|
#ifdef BOOST_HAS_INT128
|
|
# ifndef INT128_MAX
|
|
# define INT128_MAX static_cast<boost::multiprecision::int128_type>((static_cast<boost::multiprecision::uint128_type>(1) << ((__SIZEOF_INT128__ * __CHAR_BIT__) - 1)) - 1)
|
|
# endif
|
|
# ifndef INT128_MIN
|
|
# define INT128_MIN (-INT128_MAX - 1)
|
|
# endif
|
|
# ifndef UINT128_MAX
|
|
# define UINT128_MAX ((2 * static_cast<boost::multiprecision::uint128_type>(INT128_MAX)) + 1)
|
|
# endif
|
|
#endif
|
|
|
|
#endif // BOOST_MP_STANDALONE_CONFIG_HPP
|