// (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 | |
// | |
/////////////////////////////////////////////////////////////////////////////////////////////// |