williamr@2
|
1 |
// © Copyright Fernando Luis Cacciola Carballal 2000-2004
|
williamr@2
|
2 |
// Use, modification, and distribution is subject to the Boost Software
|
williamr@2
|
3 |
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
williamr@2
|
4 |
// http://www.boost.org/LICENSE_1_0.txt)
|
williamr@2
|
5 |
|
williamr@2
|
6 |
// See library home page at http://www.boost.org/libs/numeric/conversion
|
williamr@2
|
7 |
//
|
williamr@2
|
8 |
// Contact the author at: fernando_cacciola@hotmail.com
|
williamr@2
|
9 |
//
|
williamr@2
|
10 |
#ifndef BOOST_NUMERIC_CONVERSION_BOUNDS_DETAIL_FLC_12NOV2002_HPP
|
williamr@2
|
11 |
#define BOOST_NUMERIC_CONVERSION_BOUNDS_DETAIL_FLC_12NOV2002_HPP
|
williamr@2
|
12 |
|
williamr@2
|
13 |
#include "boost/limits.hpp"
|
williamr@2
|
14 |
#include "boost/config.hpp"
|
williamr@2
|
15 |
#include "boost/mpl/if.hpp"
|
williamr@2
|
16 |
|
williamr@2
|
17 |
namespace boost { namespace numeric { namespace boundsdetail
|
williamr@2
|
18 |
{
|
williamr@2
|
19 |
template<class N>
|
williamr@2
|
20 |
class Integral
|
williamr@2
|
21 |
{
|
williamr@2
|
22 |
typedef std::numeric_limits<N> limits ;
|
williamr@2
|
23 |
|
williamr@2
|
24 |
public :
|
williamr@2
|
25 |
|
williamr@2
|
26 |
static N lowest () { return limits::min BOOST_PREVENT_MACRO_SUBSTITUTION (); }
|
williamr@2
|
27 |
static N highest () { return limits::max BOOST_PREVENT_MACRO_SUBSTITUTION (); }
|
williamr@2
|
28 |
static N smallest() { return static_cast<N>(1); }
|
williamr@2
|
29 |
} ;
|
williamr@2
|
30 |
|
williamr@2
|
31 |
template<class N>
|
williamr@2
|
32 |
class Float
|
williamr@2
|
33 |
{
|
williamr@2
|
34 |
typedef std::numeric_limits<N> limits ;
|
williamr@2
|
35 |
|
williamr@2
|
36 |
public :
|
williamr@2
|
37 |
|
williamr@2
|
38 |
static N lowest () { return static_cast<N>(-limits::max BOOST_PREVENT_MACRO_SUBSTITUTION ()) ; }
|
williamr@2
|
39 |
static N highest () { return limits::max BOOST_PREVENT_MACRO_SUBSTITUTION (); }
|
williamr@2
|
40 |
static N smallest() { return limits::min BOOST_PREVENT_MACRO_SUBSTITUTION (); }
|
williamr@2
|
41 |
} ;
|
williamr@2
|
42 |
|
williamr@2
|
43 |
template<class N>
|
williamr@2
|
44 |
struct get_impl
|
williamr@2
|
45 |
{
|
williamr@2
|
46 |
typedef mpl::bool_< ::std::numeric_limits<N>::is_integer > is_int ;
|
williamr@2
|
47 |
|
williamr@2
|
48 |
typedef Integral<N> impl_int ;
|
williamr@2
|
49 |
typedef Float <N> impl_float ;
|
williamr@2
|
50 |
|
williamr@2
|
51 |
typedef typename mpl::if_<is_int,impl_int,impl_float>::type type ;
|
williamr@2
|
52 |
} ;
|
williamr@2
|
53 |
|
williamr@2
|
54 |
} } } // namespace boost::numeric::boundsdetail.
|
williamr@2
|
55 |
|
williamr@2
|
56 |
#endif
|
williamr@2
|
57 |
//
|
williamr@2
|
58 |
///////////////////////////////////////////////////////////////////////////////////////////////
|