72 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
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			72 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | //  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/special_functions/math_fwd.hpp> | ||
|  | #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 |