FM / complex

/usr/include/boost/math/complex

Name	Size	Mode	Actions
acos.hpp	7614	0644	edit dl rm
acosh.hpp	1041	0644	edit dl rm
asin.hpp	7463	0644	edit dl rm
asinh.hpp	984	0644	edit dl rm
atan.hpp	1206	0644	edit dl rm
atanh.hpp	6103	0644	edit dl rm
details.hpp	2746	0644	edit dl rm
fabs.hpp	618	0644	edit dl rm

Edit: /usr/include/boost/math/complex/details.hpp (2746B)

//  (C) Copyright John Maddock 2005.
//  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_COMPLEX_DETAILS_INCLUDED
#define BOOST_MATH_COMPLEX_DETAILS_INCLUDED
//
// This header contains all the support code that is common to the
// inverse trig complex functions, it also contains all the includes
// that we need to implement all these functions.
//
#include <boost/config.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/config/no_tr1/complex.hpp>
#include <boost/limits.hpp>
#include <math.h> // isnan where available
#include <boost/config/no_tr1/cmath.hpp>
#include <boost/math/special_functions/sign.hpp>
#include <boost/math/special_functions/fpclassify.hpp>
#include <boost/math/special_functions/sign.hpp>
#include <boost/math/constants/constants.hpp>

#ifdef BOOST_NO_STDC_NAMESPACE
namespace std{ using ::sqrt; }
#endif

namespace boost{ namespace math{ namespace detail{

template <class T>
inline T mult_minus_one(const T& t)
{
   return (boost::math::isnan)(t) ? t : (boost::math::changesign)(t);
}

template <class T>
inline std::complex<T> mult_i(const std::complex<T>& t)
{
   return std::complex<T>(mult_minus_one(t.imag()), t.real());
}

template <class T>
inline std::complex<T> mult_minus_i(const std::complex<T>& t)
{
   return std::complex<T>(t.imag(), mult_minus_one(t.real()));
}

template <class T>
inline T safe_max(T t)
{
   return std::sqrt((std::numeric_limits<T>::max)()) / t;
}
inline long double safe_max(long double t)
{
   // long double sqrt often returns infinity due to
   // insufficient internal precision:
   return std::sqrt((std::numeric_limits<double>::max)()) / t;
}
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
// workaround for type deduction bug:
inline float safe_max(float t)
{
   return std::sqrt((std::numeric_limits<float>::max)()) / t;
}
inline double safe_max(double t)
{
   return std::sqrt((std::numeric_limits<double>::max)()) / t;
}
#endif
template <class T>
inline T safe_min(T t)
{
   return std::sqrt((std::numeric_limits<T>::min)()) * t;
}
inline long double safe_min(long double t)
{
   // long double sqrt often returns zero due to
   // insufficient internal precision:
   return std::sqrt((std::numeric_limits<double>::min)()) * t;
}
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
// type deduction workaround:
inline double safe_min(double t)
{
   return std::sqrt((std::numeric_limits<double>::min)()) * t;
}
inline float safe_min(float t)
{
   return std::sqrt((std::numeric_limits<float>::min)()) * t;
}
#endif

} } } // namespaces

#endif // BOOST_MATH_COMPLEX_DETAILS_INCLUDED

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