fpclassify.cpp

来自「Boost provides free peer-reviewed portab」· C++ 代码 · 共 45 行

//  Copyright John Maddock 2008.
//  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)
//
#define BOOST_MATH_TR1_SOURCE
#include <boost/math/tr1.hpp>
#include <boost/math/special_functions/fpclassify.hpp>
#include <boost/math/special_functions/sign.hpp>
#include "c_policy.hpp"

namespace boost{ namespace math{ namespace tr1{

template<> bool BOOST_MATH_TR1_DECL signbit<double> BOOST_PREVENT_MACRO_SUBSTITUTION(double x)
{
   return static_cast<bool>((boost::math::signbit)(x)); 
}

template<> int BOOST_MATH_TR1_DECL fpclassify<double> BOOST_PREVENT_MACRO_SUBSTITUTION(double x)
{
   return (boost::math::fpclassify)(x);
}

template<> bool BOOST_MATH_TR1_DECL isfinite<double> BOOST_PREVENT_MACRO_SUBSTITUTION(double x)
{
   return (boost::math::isfinite)(x);
}

template<> bool BOOST_MATH_TR1_DECL isinf<double> BOOST_PREVENT_MACRO_SUBSTITUTION(double x)
{
   return (boost::math::isinf)(x);
}

template<> bool BOOST_MATH_TR1_DECL isnan<double> BOOST_PREVENT_MACRO_SUBSTITUTION(double x)
{
   return (boost::math::isnan)(x);
}

template<> bool BOOST_MATH_TR1_DECL isnormal<double> BOOST_PREVENT_MACRO_SUBSTITUTION(double x)
{
   return (boost::math::isnormal)(x);
}

}}}