Updated boost to v1.55.0

[rsem.git] / boost / math / tools / workaround.hpp

diff --git a/boost/math/tools/workaround.hpp b/boost/math/tools/workaround.hpp
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+++ b/boost/math/tools/workaround.hpp
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+//  Copyright (c) 2006-7 John Maddock
+//  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_WORHAROUND_HPP
+#define BOOST_MATH_TOOLS_WORHAROUND_HPP
+
+#ifdef _MSC_VER
+#pragma once
+#endif
+
+#include <boost/math/tools/config.hpp>
+
+namespace boost{ namespace math{ namespace tools{
+//
+// We call this short forwarding function so that we can work around a bug
+// on Darwin that causes std::fmod to return a NaN.  The test case is:
+// std::fmod(1185.0L, 1.5L);
+//
+template <class T>
+inline T fmod_workaround(T a, T b)
+{
+   BOOST_MATH_STD_USING
+   return fmod(a, b);
+}
+#if (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)) && ((LDBL_MANT_DIG == 106) || (__LDBL_MANT_DIG__ == 106))
+template <>
+inline long double fmod_workaround(long double a, long double b)
+{
+   return ::fmodl(a, b);
+}
+#endif
+
+}}} // namespaces
+
+#endif // BOOST_MATH_TOOLS_WORHAROUND_HPP
+