1 // Copyright John Maddock 2007.
2 // Use, modification and distribution are subject to the
3 // Boost Software License, Version 1.0. (See accompanying file
4 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 #ifndef BOOST_MATH_MODF_HPP
7 #define BOOST_MATH_MODF_HPP
13 #include <boost/math/tools/config.hpp>
14 #include <boost/math/special_functions/trunc.hpp>
16 namespace boost{ namespace math{
18 template <class T, class Policy>
19 inline T modf(const T& v, T* ipart, const Policy& pol)
21 *ipart = trunc(v, pol);
25 inline T modf(const T& v, T* ipart)
27 return modf(v, ipart, policies::policy<>());
30 template <class T, class Policy>
31 inline T modf(const T& v, int* ipart, const Policy& pol)
33 *ipart = itrunc(v, pol);
37 inline T modf(const T& v, int* ipart)
39 return modf(v, ipart, policies::policy<>());
42 template <class T, class Policy>
43 inline T modf(const T& v, long* ipart, const Policy& pol)
45 *ipart = ltrunc(v, pol);
49 inline T modf(const T& v, long* ipart)
51 return modf(v, ipart, policies::policy<>());
54 #ifdef BOOST_HAS_LONG_LONG
55 template <class T, class Policy>
56 inline T modf(const T& v, boost::long_long_type* ipart, const Policy& pol)
58 *ipart = lltrunc(v, pol);
62 inline T modf(const T& v, boost::long_long_type* ipart)
64 return modf(v, ipart, policies::policy<>());
70 #endif // BOOST_MATH_MODF_HPP