annotate DEPENDENCIES/generic/include/boost/math/tools/workaround.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 // Copyright (c) 2006-7 John Maddock
Chris@16 2 // Use, modification and distribution are subject to the
Chris@16 3 // Boost Software License, Version 1.0. (See accompanying file
Chris@16 4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16 5
Chris@16 6 #ifndef BOOST_MATH_TOOLS_WORHAROUND_HPP
Chris@16 7 #define BOOST_MATH_TOOLS_WORHAROUND_HPP
Chris@16 8
Chris@16 9 #ifdef _MSC_VER
Chris@16 10 #pragma once
Chris@16 11 #endif
Chris@16 12
Chris@16 13 #include <boost/math/tools/config.hpp>
Chris@16 14
Chris@16 15 namespace boost{ namespace math{ namespace tools{
Chris@16 16 //
Chris@16 17 // We call this short forwarding function so that we can work around a bug
Chris@16 18 // on Darwin that causes std::fmod to return a NaN. The test case is:
Chris@16 19 // std::fmod(1185.0L, 1.5L);
Chris@16 20 //
Chris@16 21 template <class T>
Chris@16 22 inline T fmod_workaround(T a, T b)
Chris@16 23 {
Chris@16 24 BOOST_MATH_STD_USING
Chris@16 25 return fmod(a, b);
Chris@16 26 }
Chris@16 27 #if (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)) && ((LDBL_MANT_DIG == 106) || (__LDBL_MANT_DIG__ == 106))
Chris@16 28 template <>
Chris@16 29 inline long double fmod_workaround(long double a, long double b)
Chris@16 30 {
Chris@16 31 return ::fmodl(a, b);
Chris@16 32 }
Chris@16 33 #endif
Chris@16 34
Chris@16 35 }}} // namespaces
Chris@16 36
Chris@16 37 #endif // BOOST_MATH_TOOLS_WORHAROUND_HPP
Chris@16 38