71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
		
		
			
		
	
	
			71 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
|   | /*-----------------------------------------------------------------------------+
 | ||
|  | Copyright (c) 2008-2009: Joachim Faulhaber | ||
|  | +------------------------------------------------------------------------------+ | ||
|  |    Distributed under the Boost Software License, Version 1.0. | ||
|  |       (See accompanying file LICENCE.txt or copy at | ||
|  |            http://www.boost.org/LICENSE_1_0.txt)
 | ||
|  | +-----------------------------------------------------------------------------*/ | ||
|  | 
 | ||
|  | /*------------------------------------------------------------------------------
 | ||
|  | itl_rational provides adapter code for boost::rational. | ||
|  | ------------------------------------------------------------------------------*/ | ||
|  | 
 | ||
|  | #ifndef BOOST_ICL_RATIONAL_HPP_JOFA_080913
 | ||
|  | #define BOOST_ICL_RATIONAL_HPP_JOFA_080913
 | ||
|  | 
 | ||
|  | #include <boost/config.hpp> // For BOOST_MSVC and more
 | ||
|  | 
 | ||
|  | #ifdef BOOST_MSVC 
 | ||
|  | #pragma warning(push)
 | ||
|  | #pragma warning(disable:4127) // conditional expression is constant
 | ||
|  | #pragma warning(disable:4512) // 'boost::detail::resetter' : assignment operator could not be generated
 | ||
|  | #pragma warning(disable:4800) // 'unsigned int' : forcing value to bool 'true' or 'false' (performance warning)
 | ||
|  | #endif                        
 | ||
|  | 
 | ||
|  | #include <boost/rational.hpp>
 | ||
|  | 
 | ||
|  | #ifdef BOOST_MSVC
 | ||
|  | #pragma warning(pop)
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #include <boost/icl/type_traits/is_continuous.hpp>
 | ||
|  | #include <boost/icl/type_traits/has_inverse.hpp>
 | ||
|  | #include <boost/icl/type_traits/is_numeric.hpp>
 | ||
|  | 
 | ||
|  | namespace boost{namespace icl | ||
|  | { | ||
|  |     template<class Integral>  | ||
|  |     struct is_numeric<boost::rational<Integral> > | ||
|  |     { | ||
|  |         typedef is_numeric type; | ||
|  |         BOOST_STATIC_CONSTANT(bool, value = true); | ||
|  |     }; | ||
|  | 
 | ||
|  |     template<class Integral>  | ||
|  |     struct is_continuous<boost::rational<Integral> > | ||
|  |     { | ||
|  |         typedef is_continuous type; | ||
|  |         BOOST_STATIC_CONSTANT(bool, value = true); | ||
|  |     }; | ||
|  | 
 | ||
|  |     template<class Integral>  | ||
|  |     struct is_discrete<boost::rational<Integral> > | ||
|  |     { | ||
|  |         typedef is_discrete type; | ||
|  |         BOOST_STATIC_CONSTANT(bool, value = false); | ||
|  |     }; | ||
|  | 
 | ||
|  |     template<class Integral>  | ||
|  |     struct has_inverse<boost::rational<Integral> > | ||
|  |     { | ||
|  |         typedef has_inverse type; | ||
|  |         BOOST_STATIC_CONSTANT(bool, value = (boost::is_signed<Integral>::value)); | ||
|  |     }; | ||
|  | 
 | ||
|  | }} // namespace icl boost
 | ||
|  | 
 | ||
|  | 
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | 
 |