diff options
Diffstat (limited to 'boost/math/tools/config.hpp')
| -rw-r--r-- | boost/math/tools/config.hpp | 69 |
1 files changed, 61 insertions, 8 deletions
diff --git a/boost/math/tools/config.hpp b/boost/math/tools/config.hpp index e88f578db7..ffd0ab43a6 100644 --- a/boost/math/tools/config.hpp +++ b/boost/math/tools/config.hpp @@ -11,6 +11,7 @@ #endif #include <boost/config.hpp> +#include <boost/predef.h> #include <boost/cstdint.hpp> // for boost::uintmax_t #include <boost/detail/workaround.hpp> #include <boost/type_traits/is_integral.hpp> @@ -183,14 +184,20 @@ // #ifdef BOOST_MSVC # define BOOST_MATH_POLY_METHOD 2 +# define BOOST_MATH_RATIONAL_METHOD 1 #elif defined(BOOST_INTEL) # define BOOST_MATH_POLY_METHOD 2 -# define BOOST_MATH_RATIONAL_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 1 +#endif #endif #if defined(BOOST_NO_LONG_LONG) && !defined(BOOST_MATH_INT_TABLE_TYPE) @@ -199,20 +206,54 @@ #endif // +// constexpr support, early GCC implementations can't cope so disable +// constexpr for them: +// +#if !defined(__clang) && defined(__GNUC__) +#if (__GNUC__ * 100 + __GNUC_MINOR__) < 490 +# define BOOST_MATH_DISABLE_CONSTEXPR +#endif +#endif + +#ifdef BOOST_MATH_DISABLE_CONSTEXPR +# define BOOST_MATH_CONSTEXPR +#else +# define BOOST_MATH_CONSTEXPR BOOST_CONSTEXPR +#endif + +// +// noexcept support: +// +#ifndef BOOST_NO_CXX11_NOEXCEPT +#ifndef BOOST_NO_CXX11_HDR_TYPE_TRAITS +#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) +#else +#include <boost/type_traits/is_floating_point.hpp> +# define BOOST_MATH_NOEXCEPT(T) noexcept(boost::is_floating_point<T>::value) +# define BOOST_MATH_IS_FLOAT(T) (boost::is_floating_point<T>::value) +#endif +#else +# define BOOST_MATH_NOEXCEPT(T) +# define BOOST_MATH_IS_FLOAT(T) false +#endif + +// // 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 17 +# 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 1 +# define BOOST_MATH_POLY_METHOD 2 #endif #ifndef BOOST_MATH_RATIONAL_METHOD -# define BOOST_MATH_RATIONAL_METHOD 0 +# define BOOST_MATH_RATIONAL_METHOD 1 #endif // // decide whether to store constants as integers or reals: @@ -224,7 +265,19 @@ # define BOOST_MATH_INT_VALUE_SUFFIX(RV, SUF) RV##SUF #endif // -// Test whether to support __float128: +// Test whether to support __float128, if we don't have quadmath.h then this can't currently work: +// +#ifndef BOOST_MATH_USE_FLOAT128 +#ifdef __has_include +#if ! __has_include("quadmath.h") +#define BOOST_MATH_DISABLE_FLOAT128 +#endif +#elif !defined(BOOST_ARCH_X86) +#define BOOST_MATH_DISABLE_FLOAT128 +#endif +#endif +// +// And then the actual configuration: // #if defined(_GLIBCXX_USE_FLOAT128) && defined(BOOST_GCC) && !defined(__STRICT_ANSI__) \ && !defined(BOOST_MATH_DISABLE_FLOAT128) || defined(BOOST_MATH_USE_FLOAT128) @@ -296,13 +349,13 @@ namespace tools { template <class T> -inline T max BOOST_PREVENT_MACRO_SUBSTITUTION(T a, T b, T c) +inline T max BOOST_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_PREVENT_MACRO_SUBSTITUTION(T a, T b, T c, T d) +inline T max BOOST_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)); } @@ -310,7 +363,7 @@ inline T max BOOST_PREVENT_MACRO_SUBSTITUTION(T a, T b, T c, T d) } // namespace tools template <class T> -void suppress_unused_variable_warning(const T&) +void suppress_unused_variable_warning(const T&) BOOST_MATH_NOEXCEPT(T) { } |