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- // Copyright (c) 2006-7 John Maddock
- // Copyright (c) 2021 Matt Borland
- // Use, modification and distribution are subject to 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)
- #ifndef BOOST_MATH_TOOLS_CONFIG_HPP
- #define BOOST_MATH_TOOLS_CONFIG_HPP
- #ifdef _MSC_VER
- #pragma once
- #endif
- #include <boost/math/tools/is_standalone.hpp>
- // Minimum language standard transition
- #ifdef _MSVC_LANG
- # if _MSVC_LANG < 201402L
- # pragma message("Boost.Math requires C++14");
- # endif
- # if _MSC_VER == 1900
- # pragma message("MSVC 14.0 has broken C++14 constexpr support. Support for this compiler will be removed in Boost 1.86")
- # endif
- #else
- # if __cplusplus < 201402L
- # warning "Boost.Math requires C++14"
- # endif
- #endif
- #ifndef BOOST_MATH_STANDALONE
- #include <boost/config.hpp>
- // The following are all defined as standalone macros as well
- // If Boost.Config is available just use those definitions because they are more fine-grained
- // Could be defined in TR1
- #ifndef BOOST_MATH_PREVENT_MACRO_SUBSTITUTION
- # define BOOST_MATH_PREVENT_MACRO_SUBSTITUTION BOOST_PREVENT_MACRO_SUBSTITUTION
- #endif
- #define BOOST_MATH_CXX14_CONSTEXPR BOOST_CXX14_CONSTEXPR
- #ifdef BOOST_NO_CXX14_CONSTEXPR
- # define BOOST_MATH_NO_CXX14_CONSTEXPR
- #endif
- #define BOOST_MATH_IF_CONSTEXPR BOOST_IF_CONSTEXPR
- #ifdef BOOST_NO_CXX17_IF_CONSTEXPR
- # define BOOST_MATH_NO_CXX17_IF_CONSTEXPR
- #endif
- #ifdef BOOST_NO_CXX17_HDR_EXECUTION
- # define BOOST_MATH_NO_CXX17_HDR_EXECUTION
- #endif
- #ifdef BOOST_HAS_THREADS
- # define BOOST_MATH_HAS_THREADS
- #endif
- #ifdef BOOST_DISABLE_THREADS
- # define BOOST_MATH_DISABLE_THREADS
- #endif
- #ifdef BOOST_NO_CXX11_THREAD_LOCAL
- # define BOOST_MATH_NO_CXX11_THREAD_LOCAL
- #endif
- #ifdef BOOST_NO_EXCEPTIONS
- # define BOOST_MATH_NO_EXCEPTIONS
- #endif
- #ifdef BOOST_NO_TYPEID
- # define BOOST_MATH_NO_TYPEID
- #endif
- #ifdef BOOST_NO_RTTI
- # define BOOST_MATH_NO_RTTI
- #endif
- #define BOOST_MATH_NOINLINE BOOST_NOINLINE
- #define BOOST_MATH_FORCEINLINE BOOST_FORCEINLINE
- #define BOOST_MATH_JOIN(X, Y) BOOST_JOIN(X, Y)
- #define BOOST_MATH_STRINGIZE(X) BOOST_STRINGIZE(X)
- #else // Things from boost/config that are required, and easy to replicate
- #define BOOST_MATH_PREVENT_MACRO_SUBSTITUTION
- #define BOOST_MATH_NO_REAL_CONCEPT_TESTS
- #define BOOST_MATH_NO_DISTRIBUTION_CONCEPT_TESTS
- #define BOOST_MATH_NO_LEXICAL_CAST
- // Since Boost.Multiprecision is in active development some tests do not fully cooperate yet.
- #define BOOST_MATH_NO_MP_TESTS
- #if (__cplusplus > 201400L || _MSVC_LANG > 201400L)
- #define BOOST_MATH_CXX14_CONSTEXPR constexpr
- #else
- #define BOOST_MATH_CXX14_CONSTEXPR
- #define BOOST_MATH_NO_CXX14_CONSTEXPR
- #endif // BOOST_MATH_CXX14_CONSTEXPR
- #if (__cplusplus > 201700L || _MSVC_LANG > 201700L)
- #define BOOST_MATH_IF_CONSTEXPR if constexpr
- // Clang on mac provides the execution header with none of the functionality. TODO: Check back on this
- // https://en.cppreference.com/w/cpp/compiler_support "Standardization of Parallelism TS"
- # if !__has_include(<execution>) || (defined(__APPLE__) && defined(__clang__))
- # define BOOST_MATH_NO_CXX17_HDR_EXECUTION
- # endif
- #else
- # define BOOST_MATH_IF_CONSTEXPR if
- # define BOOST_MATH_NO_CXX17_IF_CONSTEXPR
- # define BOOST_MATH_NO_CXX17_HDR_EXECUTION
- #endif
- #if __cpp_lib_gcd_lcm >= 201606L
- #define BOOST_MATH_HAS_CXX17_NUMERIC
- #endif
- #define BOOST_MATH_JOIN(X, Y) BOOST_MATH_DO_JOIN(X, Y)
- #define BOOST_MATH_DO_JOIN(X, Y) BOOST_MATH_DO_JOIN2(X,Y)
- #define BOOST_MATH_DO_JOIN2(X, Y) X##Y
- #define BOOST_MATH_STRINGIZE(X) BOOST_MATH_DO_STRINGIZE(X)
- #define BOOST_MATH_DO_STRINGIZE(X) #X
- #ifdef BOOST_MATH_DISABLE_THREADS // No threads, do nothing
- // Detect thread support via STL implementation
- #elif defined(__has_include)
- # if !__has_include(<thread>) || !__has_include(<mutex>) || !__has_include(<future>) || !__has_include(<atomic>)
- # define BOOST_MATH_DISABLE_THREADS
- # else
- # define BOOST_MATH_HAS_THREADS
- # endif
- #else
- # define BOOST_MATH_HAS_THREADS // The default assumption is that the machine has threads
- #endif // Thread Support
- #ifdef BOOST_MATH_DISABLE_THREADS
- # define BOOST_MATH_NO_CXX11_THREAD_LOCAL
- #endif // BOOST_MATH_DISABLE_THREADS
- #ifdef __GNUC__
- # if !defined(__EXCEPTIONS) && !defined(BOOST_MATH_NO_EXCEPTIONS)
- # define BOOST_MATH_NO_EXCEPTIONS
- # endif
- //
- // Make sure we have some std lib headers included so we can detect __GXX_RTTI:
- //
- # include <algorithm> // for min and max
- # include <limits>
- # ifndef __GXX_RTTI
- # ifndef BOOST_MATH_NO_TYPEID
- # define BOOST_MATH_NO_TYPEID
- # endif
- # ifndef BOOST_MATH_NO_RTTI
- # define BOOST_MATH_NO_RTTI
- # endif
- # endif
- #endif
- #if !defined(BOOST_MATH_NOINLINE)
- # if defined(_MSC_VER)
- # define BOOST_MATH_NOINLINE __declspec(noinline)
- # elif defined(__GNUC__) && __GNUC__ > 3
- // Clang also defines __GNUC__ (as 4)
- # if defined(__CUDACC__)
- // nvcc doesn't always parse __noinline__,
- // see: https://svn.boost.org/trac/boost/ticket/9392
- # define BOOST_MATH_NOINLINE __attribute__ ((noinline))
- # elif defined(__HIP__)
- // See https://github.com/boostorg/config/issues/392
- # define BOOST_MATH_NOINLINE __attribute__ ((noinline))
- # else
- # define BOOST_MATH_NOINLINE __attribute__ ((__noinline__))
- # endif
- # else
- # define BOOST_MATH_NOINLINE
- # endif
- #endif
- #if !defined(BOOST_MATH_FORCEINLINE)
- # if defined(_MSC_VER)
- # define BOOST_MATH_FORCEINLINE __forceinline
- # elif defined(__GNUC__) && __GNUC__ > 3
- // Clang also defines __GNUC__ (as 4)
- # define BOOST_MATH_FORCEINLINE inline __attribute__ ((__always_inline__))
- # else
- # define BOOST_MATH_FORCEINLINE inline
- # endif
- #endif
- #endif // BOOST_MATH_STANDALONE
- // Support compilers with P0024R2 implemented without linking TBB
- // https://en.cppreference.com/w/cpp/compiler_support
- #if !defined(BOOST_MATH_NO_CXX17_HDR_EXECUTION) && defined(BOOST_MATH_HAS_THREADS)
- # define BOOST_MATH_EXEC_COMPATIBLE
- #endif
- // C++23
- #if __cplusplus > 202002L || (defined(_MSVC_LANG) &&_MSVC_LANG > 202002L)
- # if __GNUC__ >= 13
- // libstdc++3 only defines to/from_chars for std::float128_t when one of these defines are set
- // otherwise we're right out of luck...
- # if defined(_GLIBCXX_LDOUBLE_IS_IEEE_BINARY128) || defined(_GLIBCXX_HAVE_FLOAT128_MATH)
- # include <cstring> // std::strlen is used with from_chars
- # include <charconv>
- # include <stdfloat>
- # define BOOST_MATH_USE_CHARCONV_FOR_CONVERSION
- # endif
- # endif
- #endif
- #include <algorithm> // for min and max
- #include <limits>
- #include <cmath>
- #include <climits>
- #include <cfloat>
- #include <boost/math/tools/user.hpp>
- #if (defined(__NetBSD__) || defined(__EMSCRIPTEN__)\
- || (defined(__hppa) && !defined(__OpenBSD__)) || (defined(__NO_LONG_DOUBLE_MATH) && (DBL_MANT_DIG != LDBL_MANT_DIG))) \
- && !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS)
- //# define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
- #endif
- #ifdef __IBMCPP__
- //
- // For reasons I don't understand, the tests with IMB's compiler all
- // pass at long double precision, but fail with real_concept, those tests
- // are disabled for now. (JM 2012).
- #ifndef BOOST_MATH_NO_REAL_CONCEPT_TESTS
- # define BOOST_MATH_NO_REAL_CONCEPT_TESTS
- #endif // BOOST_MATH_NO_REAL_CONCEPT_TESTS
- #endif
- #ifdef sun
- // Any use of __float128 in program startup code causes a segfault (tested JM 2015, Solaris 11).
- # define BOOST_MATH_DISABLE_FLOAT128
- #endif
- #ifdef __HAIKU__
- //
- // Not sure what's up with the math detection on Haiku, but linking fails with
- // float128 code enabled, and we don't have an implementation of __expl, so
- // disabling long double functions for now as well.
- # define BOOST_MATH_DISABLE_FLOAT128
- # define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
- #endif
- #if (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)) && ((LDBL_MANT_DIG == 106) || (__LDBL_MANT_DIG__ == 106)) && !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS)
- //
- // Darwin's rather strange "double double" is rather hard to
- // support, it should be possible given enough effort though...
- //
- # define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
- #endif
- #if !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS) && (LDBL_MANT_DIG == 106) && (LDBL_MIN_EXP > DBL_MIN_EXP)
- //
- // Generic catch all case for gcc's "double-double" long double type.
- // We do not support this as it's not even remotely IEEE conforming:
- //
- # define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
- #endif
- #if defined(unix) && defined(__INTEL_COMPILER) && (__INTEL_COMPILER <= 1000) && !defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS)
- //
- // Intel compiler prior to version 10 has sporadic problems
- // calling the long double overloads of the std lib math functions:
- // calling ::powl is OK, but std::pow(long double, long double)
- // may segfault depending upon the value of the arguments passed
- // and the specific Linux distribution.
- //
- // We'll be conservative and disable long double support for this compiler.
- //
- // Comment out this #define and try building the tests to determine whether
- // your Intel compiler version has this issue or not.
- //
- # define BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
- #endif
- #if defined(unix) && defined(__INTEL_COMPILER)
- //
- // Intel compiler has sporadic issues compiling std::fpclassify depending on
- // the exact OS version used. Use our own code for this as we know it works
- // well on Intel processors:
- //
- #define BOOST_MATH_DISABLE_STD_FPCLASSIFY
- #endif
- #if defined(_MSC_VER) && !defined(_WIN32_WCE)
- // Better safe than sorry, our tests don't support hardware exceptions:
- # define BOOST_MATH_CONTROL_FP _control87(MCW_EM,MCW_EM)
- #endif
- #ifdef __IBMCPP__
- # define BOOST_MATH_NO_DEDUCED_FUNCTION_POINTERS
- #endif
- #if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901))
- # define BOOST_MATH_USE_C99
- #endif
- #if (defined(__hpux) && !defined(__hppa))
- # define BOOST_MATH_USE_C99
- #endif
- #if defined(__GNUC__) && defined(_GLIBCXX_USE_C99)
- # define BOOST_MATH_USE_C99
- #endif
- #if defined(_LIBCPP_VERSION) && !defined(_MSC_VER)
- # define BOOST_MATH_USE_C99
- #endif
- #if defined(__CYGWIN__) || defined(__HP_aCC) || defined(__INTEL_COMPILER) \
- || defined(BOOST_NO_NATIVE_LONG_DOUBLE_FP_CLASSIFY) \
- || (defined(__GNUC__) && !defined(BOOST_MATH_USE_C99))\
- || defined(BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS)
- # define BOOST_MATH_NO_NATIVE_LONG_DOUBLE_FP_CLASSIFY
- #endif
- #if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x590)
- namespace boost { namespace math { namespace tools { namespace detail {
- template <typename T>
- struct type {};
- template <typename T, T n>
- struct non_type {};
- }}}} // Namespace boost, math tools, detail
- # define BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(t) boost::math::tools::detail::type<t>* = 0
- # define BOOST_MATH_EXPLICIT_TEMPLATE_TYPE_SPEC(t) boost::math::tools::detail::type<t>*
- # define BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE(t, v) boost::math::tools::detail::non_type<t, v>* = 0
- # define BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) boost::math::tools::detail::non_type<t, v>*
- # define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_TYPE(t) \
- , BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(t)
- # define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t) \
- , BOOST_MATH_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
- # define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v) \
- , BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
- # define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v) \
- , BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)
- #else
- // no workaround needed: expand to nothing
- # define BOOST_MATH_EXPLICIT_TEMPLATE_TYPE(t)
- # define BOOST_MATH_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
- # define BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
- # define BOOST_MATH_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)
- # define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_TYPE(t)
- # define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_TYPE_SPEC(t)
- # define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_NON_TYPE(t, v)
- # define BOOST_MATH_APPEND_EXPLICIT_TEMPLATE_NON_TYPE_SPEC(t, v)
- #endif // __SUNPRO_CC
- #if (defined(__SUNPRO_CC) || defined(__hppa) || defined(__GNUC__)) && !defined(BOOST_MATH_SMALL_CONSTANT)
- // Sun's compiler emits a hard error if a constant underflows,
- // as does aCC on PA-RISC, while gcc issues a large number of warnings:
- # define BOOST_MATH_SMALL_CONSTANT(x) 0.0
- #else
- # define BOOST_MATH_SMALL_CONSTANT(x) x
- #endif
- //
- // Tune performance options for specific compilers:
- //
- #ifdef _MSC_VER
- # define BOOST_MATH_POLY_METHOD 2
- #if _MSC_VER <= 1900
- # define BOOST_MATH_RATIONAL_METHOD 1
- #else
- # define BOOST_MATH_RATIONAL_METHOD 2
- #endif
- #if _MSC_VER > 1900
- # define BOOST_MATH_INT_TABLE_TYPE(RT, IT) RT
- # define BOOST_MATH_INT_VALUE_SUFFIX(RV, SUF) RV##.0L
- #endif
- #elif defined(__INTEL_COMPILER)
- # define BOOST_MATH_POLY_METHOD 2
- # define BOOST_MATH_RATIONAL_METHOD 1
- #elif defined(__GNUC__)
- #if __GNUC__ < 4
- # define BOOST_MATH_POLY_METHOD 3
- # define BOOST_MATH_RATIONAL_METHOD 3
- # define BOOST_MATH_INT_TABLE_TYPE(RT, IT) RT
- # define BOOST_MATH_INT_VALUE_SUFFIX(RV, SUF) RV##.0L
- #else
- # define BOOST_MATH_POLY_METHOD 3
- # define BOOST_MATH_RATIONAL_METHOD 3
- #endif
- #elif defined(__clang__)
- #if __clang__ > 6
- # define BOOST_MATH_POLY_METHOD 3
- # define BOOST_MATH_RATIONAL_METHOD 3
- # define BOOST_MATH_INT_TABLE_TYPE(RT, IT) RT
- # define BOOST_MATH_INT_VALUE_SUFFIX(RV, SUF) RV##.0L
- #endif
- #endif
- //
- // noexcept support:
- //
- #include <type_traits>
- #define BOOST_MATH_NOEXCEPT(T) noexcept(std::is_floating_point<T>::value)
- #define BOOST_MATH_IS_FLOAT(T) (std::is_floating_point<T>::value)
- //
- // The maximum order of polynomial that will be evaluated
- // via an unrolled specialisation:
- //
- #ifndef BOOST_MATH_MAX_POLY_ORDER
- # define BOOST_MATH_MAX_POLY_ORDER 20
- #endif
- //
- // Set the method used to evaluate polynomials and rationals:
- //
- #ifndef BOOST_MATH_POLY_METHOD
- # define BOOST_MATH_POLY_METHOD 2
- #endif
- #ifndef BOOST_MATH_RATIONAL_METHOD
- # define BOOST_MATH_RATIONAL_METHOD 1
- #endif
- //
- // decide whether to store constants as integers or reals:
- //
- #ifndef BOOST_MATH_INT_TABLE_TYPE
- # define BOOST_MATH_INT_TABLE_TYPE(RT, IT) IT
- #endif
- #ifndef BOOST_MATH_INT_VALUE_SUFFIX
- # define BOOST_MATH_INT_VALUE_SUFFIX(RV, SUF) RV##SUF
- #endif
- //
- // And then the actual configuration:
- //
- #if defined(BOOST_MATH_STANDALONE) && defined(_GLIBCXX_USE_FLOAT128) && defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__) && !defined(__STRICT_ANSI__) \
- && !defined(BOOST_MATH_DISABLE_FLOAT128) && !defined(BOOST_MATH_USE_FLOAT128)
- # define BOOST_MATH_USE_FLOAT128
- #elif defined(BOOST_HAS_FLOAT128) && !defined(BOOST_MATH_USE_FLOAT128)
- # define BOOST_MATH_USE_FLOAT128
- #endif
- #ifdef BOOST_MATH_USE_FLOAT128
- //
- // Only enable this when the compiler really is GCC as clang and probably
- // intel too don't support __float128 yet :-(
- //
- # if defined(__INTEL_COMPILER) && defined(__GNUC__)
- # if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6))
- # define BOOST_MATH_FLOAT128_TYPE __float128
- # endif
- # elif defined(__GNUC__)
- # define BOOST_MATH_FLOAT128_TYPE __float128
- # endif
- # ifndef BOOST_MATH_FLOAT128_TYPE
- # define BOOST_MATH_FLOAT128_TYPE _Quad
- # endif
- #endif
- //
- // Check for WinCE with no iostream support:
- //
- #if defined(_WIN32_WCE) && !defined(__SGI_STL_PORT)
- # define BOOST_MATH_NO_LEXICAL_CAST
- #endif
- //
- // Helper macro for controlling the FP behaviour:
- //
- #ifndef BOOST_MATH_CONTROL_FP
- # define BOOST_MATH_CONTROL_FP
- #endif
- //
- // Helper macro for using statements:
- //
- #define BOOST_MATH_STD_USING_CORE \
- using std::abs;\
- using std::acos;\
- using std::cos;\
- using std::fmod;\
- using std::modf;\
- using std::tan;\
- using std::asin;\
- using std::cosh;\
- using std::frexp;\
- using std::pow;\
- using std::tanh;\
- using std::atan;\
- using std::exp;\
- using std::ldexp;\
- using std::sin;\
- using std::atan2;\
- using std::fabs;\
- using std::log;\
- using std::sinh;\
- using std::ceil;\
- using std::floor;\
- using std::log10;\
- using std::sqrt;
- #define BOOST_MATH_STD_USING BOOST_MATH_STD_USING_CORE
- namespace boost{ namespace math{
- namespace tools
- {
- template <class T>
- inline T max BOOST_MATH_PREVENT_MACRO_SUBSTITUTION(T a, T b, T c) BOOST_MATH_NOEXCEPT(T)
- {
- return (std::max)((std::max)(a, b), c);
- }
- template <class T>
- inline T max BOOST_MATH_PREVENT_MACRO_SUBSTITUTION(T a, T b, T c, T d) BOOST_MATH_NOEXCEPT(T)
- {
- return (std::max)((std::max)(a, b), (std::max)(c, d));
- }
- } // namespace tools
- template <class T>
- void suppress_unused_variable_warning(const T&) BOOST_MATH_NOEXCEPT(T)
- {
- }
- namespace detail{
- template <class T>
- struct is_integer_for_rounding
- {
- static constexpr bool value = std::is_integral<T>::value || (std::numeric_limits<T>::is_specialized && std::numeric_limits<T>::is_integer);
- };
- }
- }} // namespace boost namespace math
- #ifdef __GLIBC_PREREQ
- # if __GLIBC_PREREQ(2,14)
- # define BOOST_MATH_HAVE_FIXED_GLIBC
- # endif
- #endif
- #if ((defined(__linux__) && !defined(__UCLIBC__) && !defined(BOOST_MATH_HAVE_FIXED_GLIBC)) || defined(__QNX__) || defined(__IBMCPP__))
- //
- // This code was introduced in response to this glibc bug: http://sourceware.org/bugzilla/show_bug.cgi?id=2445
- // Basically powl and expl can return garbage when the result is small and certain exception flags are set
- // on entrance to these functions. This appears to have been fixed in Glibc 2.14 (May 2011).
- // Much more information in this message thread: https://groups.google.com/forum/#!topic/boost-list/ZT99wtIFlb4
- //
- #include <cfenv>
- # ifdef FE_ALL_EXCEPT
- namespace boost{ namespace math{
- namespace detail
- {
- struct fpu_guard
- {
- fpu_guard()
- {
- fegetexceptflag(&m_flags, FE_ALL_EXCEPT);
- feclearexcept(FE_ALL_EXCEPT);
- }
- ~fpu_guard()
- {
- fesetexceptflag(&m_flags, FE_ALL_EXCEPT);
- }
- private:
- fexcept_t m_flags;
- };
- } // namespace detail
- }} // namespaces
- # define BOOST_FPU_EXCEPTION_GUARD boost::math::detail::fpu_guard local_guard_object;
- # define BOOST_MATH_INSTRUMENT_FPU do{ fexcept_t cpu_flags; fegetexceptflag(&cpu_flags, FE_ALL_EXCEPT); BOOST_MATH_INSTRUMENT_VARIABLE(cpu_flags); } while(0);
- # else
- # define BOOST_FPU_EXCEPTION_GUARD
- # define BOOST_MATH_INSTRUMENT_FPU
- # endif
- #else // All other platforms.
- # define BOOST_FPU_EXCEPTION_GUARD
- # define BOOST_MATH_INSTRUMENT_FPU
- #endif
- #ifdef BOOST_MATH_INSTRUMENT
- # include <iostream>
- # include <iomanip>
- # include <typeinfo>
- # define BOOST_MATH_INSTRUMENT_CODE(x) \
- std::cout << std::setprecision(35) << __FILE__ << ":" << __LINE__ << " " << x << std::endl;
- # define BOOST_MATH_INSTRUMENT_VARIABLE(name) BOOST_MATH_INSTRUMENT_CODE(#name << " = " << name)
- #else
- # define BOOST_MATH_INSTRUMENT_CODE(x)
- # define BOOST_MATH_INSTRUMENT_VARIABLE(name)
- #endif
- //
- // Thread local storage:
- //
- #ifndef BOOST_MATH_DISABLE_THREADS
- # define BOOST_MATH_THREAD_LOCAL thread_local
- #else
- # define BOOST_MATH_THREAD_LOCAL
- #endif
- //
- // Some mingw flavours have issues with thread_local and types with non-trivial destructors
- // See https://sourceforge.net/p/mingw-w64/bugs/527/
- //
- #if (defined(__MINGW32__) && (__GNUC__ < 9) && !defined(__clang__))
- # define BOOST_MATH_NO_THREAD_LOCAL_WITH_NON_TRIVIAL_TYPES
- #endif
- //
- // Can we have constexpr tables?
- //
- #if (!defined(BOOST_MATH_NO_CXX14_CONSTEXPR)) || (defined(_MSC_VER) && _MSC_VER >= 1910)
- #define BOOST_MATH_HAVE_CONSTEXPR_TABLES
- #define BOOST_MATH_CONSTEXPR_TABLE_FUNCTION constexpr
- #else
- #define BOOST_MATH_CONSTEXPR_TABLE_FUNCTION
- #endif
- #endif // BOOST_MATH_TOOLS_CONFIG_HPP
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