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