/usr/include/boost/units/detail/cmath_impl.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | // Boost.Units - A C++ library for zero-overhead dimensional analysis and
// unit/quantity manipulation and conversion
//
// Copyright (C) 2003-2008 Matthias Christian Schabel
// Copyright (C) 2008 Steven Watanabe
//
// Distributed under 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_UNITS_CMATH_IMPL_HPP
#define BOOST_UNITS_CMATH_IMPL_HPP
#include <boost/config.hpp>
#include <boost/math/special_functions/fpclassify.hpp>
namespace boost {
namespace units {
namespace detail {
template<class Y>
inline bool isgreater BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
if((boost::math::isnan)(v1) || (boost::math::isnan)(v2)) return false;
else return v1 > v2;
}
template<class Y>
inline bool isgreaterequal BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
if((boost::math::isnan)(v1) || (boost::math::isnan)(v2)) return false;
else return v1 >= v2;
}
template<class Y>
inline bool isless BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
if((boost::math::isnan)(v1) || (boost::math::isnan)(v2)) return false;
else return v1 < v2;
}
template<class Y>
inline bool islessequal BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
if((boost::math::isnan)(v1) || (boost::math::isnan)(v2)) return false;
else return v1 <= v2;
}
template<class Y>
inline bool islessgreater BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
if((boost::math::isnan)(v1) || (boost::math::isnan)(v2)) return false;
else return v1 < v2 || v1 > v2;
}
template<class Y>
inline bool isunordered BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
return (boost::math::isnan)(v1) || (boost::math::isnan)(v2);
}
template<class Y>
inline Y fdim BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
if((boost::math::isnan)(v1)) return v1;
else if((boost::math::isnan)(v2)) return v2;
else if(v1 > v2) return(v1 - v2);
else return(Y(0));
}
#if 0
template<class T>
struct fma_issue_warning {
enum { value = false };
};
template<class Y>
inline Y fma(const Y& v1,const Y& v2,const Y& v3)
{
//this implementation does *not* meet the
//requirement of infinite intermediate precision
BOOST_STATIC_WARNING((fma_issue_warning<Y>::value));
return v1 * v2 + v3;
}
#endif
template<class Y>
inline Y fmax BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
if((boost::math::isnan)(v1)) return(v2);
else if((boost::math::isnan)(v2)) return(v1);
else if(v1 > v2) return(v1);
else return(v2);
}
template<class Y>
inline Y fmin BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& v1,const Y& v2)
{
if((boost::math::isnan)(v1)) return(v2);
else if((boost::math::isnan)(v2)) return(v1);
else if(v1 < v2) return(v1);
else return(v2);
}
//template<class Y>
//inline long long llrint(const Y& val)
//{
// return static_cast<long long>(rint(val));
//}
//
//template<class Y>
//inline long long llround(const Y& val)
//{
// return static_cast<long long>(round(val));
//}
#if 0
template<class Y>
inline Y nearbyint(const Y& val)
{
//this is not really correct.
//the result should be according to the
//current rounding mode.
using boost::math::round;
return round(val);
}
template<class Y>
inline Y rint(const Y& val)
{
//I don't feel like trying to figure out
//how to raise a floating pointer exception
return nearbyint(val);
}
#endif
template<class Y>
inline Y trunc BOOST_PREVENT_MACRO_SUBSTITUTION(const Y& val)
{
if(val > 0) return std::floor(val);
else if(val < 0) return std::ceil(val);
else return val;
}
}
}
}
#endif // BOOST_UNITS_CMATH_IMPL_HPP
|