source: vendor/nemo/current/NEMOGCM/EXTERNAL/XIOS/extern/boost/include/boost/numeric/conversion/detail/bounds.hpp @ 44

Last change on this file since 44 was 44, checked in by cholod, 12 years ago

Load NEMO_TMP into vendor/nemo/current.

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