| // Copyright John Maddock 2007. |
| // 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_MODF_HPP |
| #define BOOST_MATH_MODF_HPP |
| |
| #ifdef _MSC_VER |
| #pragma once |
| #endif |
| |
| #include <boost/math/tools/config.hpp> |
| #include <boost/math/special_functions/trunc.hpp> |
| |
| namespace boost{ namespace math{ |
| |
| template <class T, class Policy> |
| inline T modf(const T& v, T* ipart, const Policy& pol) |
| { |
| *ipart = trunc(v, pol); |
| return v - *ipart; |
| } |
| template <class T> |
| inline T modf(const T& v, T* ipart) |
| { |
| return modf(v, ipart, policies::policy<>()); |
| } |
| |
| template <class T, class Policy> |
| inline T modf(const T& v, int* ipart, const Policy& pol) |
| { |
| *ipart = itrunc(v, pol); |
| return v - *ipart; |
| } |
| template <class T> |
| inline T modf(const T& v, int* ipart) |
| { |
| return modf(v, ipart, policies::policy<>()); |
| } |
| |
| template <class T, class Policy> |
| inline T modf(const T& v, long* ipart, const Policy& pol) |
| { |
| *ipart = ltrunc(v, pol); |
| return v - *ipart; |
| } |
| template <class T> |
| inline T modf(const T& v, long* ipart) |
| { |
| return modf(v, ipart, policies::policy<>()); |
| } |
| |
| #ifdef BOOST_HAS_LONG_LONG |
| template <class T, class Policy> |
| inline T modf(const T& v, boost::long_long_type* ipart, const Policy& pol) |
| { |
| *ipart = lltrunc(v, pol); |
| return v - *ipart; |
| } |
| template <class T> |
| inline T modf(const T& v, boost::long_long_type* ipart) |
| { |
| return modf(v, ipart, policies::policy<>()); |
| } |
| #endif |
| |
| }} // namespaces |
| |
| #endif // BOOST_MATH_MODF_HPP |