59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
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// (c) Copyright Fernando Luis Cacciola Carballal 2000-2004
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See library home page at http://www.boost.org/libs/numeric/conversion
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//
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// Contact the author at: fernando_cacciola@hotmail.com
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//
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#ifndef BOOST_NUMERIC_CONVERSION_BOUNDS_DETAIL_FLC_12NOV2002_HPP
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#define BOOST_NUMERIC_CONVERSION_BOUNDS_DETAIL_FLC_12NOV2002_HPP
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#include "boost/limits.hpp"
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#include "boost/config.hpp"
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#include "boost/mpl/if.hpp"
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namespace boost { namespace numeric { namespace boundsdetail
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{
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template<class N>
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class Integral
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{
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typedef std::numeric_limits<N> limits ;
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public :
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static N lowest () { return limits::min BOOST_PREVENT_MACRO_SUBSTITUTION (); }
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static N highest () { return limits::max BOOST_PREVENT_MACRO_SUBSTITUTION (); }
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static N smallest() { return static_cast<N>(1); }
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} ;
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template<class N>
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class Float
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{
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typedef std::numeric_limits<N> limits ;
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public :
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static N lowest () { return static_cast<N>(-limits::max BOOST_PREVENT_MACRO_SUBSTITUTION ()) ; }
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static N highest () { return limits::max BOOST_PREVENT_MACRO_SUBSTITUTION (); }
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static N smallest() { return limits::min BOOST_PREVENT_MACRO_SUBSTITUTION (); }
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} ;
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template<class N>
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struct get_impl
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{
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typedef mpl::bool_< ::std::numeric_limits<N>::is_integer > is_int ;
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typedef Integral<N> impl_int ;
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typedef Float <N> impl_float ;
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typedef typename mpl::if_<is_int,impl_int,impl_float>::type type ;
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} ;
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} } } // namespace boost::numeric::boundsdetail.
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#endif
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//
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///////////////////////////////////////////////////////////////////////////////////////////////
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