New URL for NEMO forge!   http://forge.nemo-ocean.eu

Since March 2022 along with NEMO 4.2 release, the code development moved to a self-hosted GitLab.
This present forge is now archived and remained online for history.
make_unsigned.hpp in vendors/XIOS/current/extern/boost/include/boost/type_traits – NEMO

source: vendors/XIOS/current/extern/boost/include/boost/type_traits/make_unsigned.hpp @ 3428

Last change on this file since 3428 was 3428, checked in by rblod, 12 years ago

importing initial XIOS vendor drop

File size: 4.6 KB
Line 
1
2//  (C) Copyright John Maddock 2007.
3//  Use, modification and distribution are subject to the Boost Software License,
4//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5//  http://www.boost.org/LICENSE_1_0.txt).
6//
7//  See http://www.boost.org/libs/type_traits for most recent version including documentation.
8
9#ifndef BOOST_TT_MAKE_UNSIGNED_HPP_INCLUDED
10#define BOOST_TT_MAKE_UNSIGNED_HPP_INCLUDED
11
12#include <boost/mpl/if.hpp>
13#include <boost/type_traits/is_integral.hpp>
14#include <boost/type_traits/is_signed.hpp>
15#include <boost/type_traits/is_unsigned.hpp>
16#include <boost/type_traits/is_enum.hpp>
17#include <boost/type_traits/is_same.hpp>
18#include <boost/type_traits/remove_cv.hpp>
19#include <boost/type_traits/is_const.hpp>
20#include <boost/type_traits/is_volatile.hpp>
21#include <boost/type_traits/add_const.hpp>
22#include <boost/type_traits/add_volatile.hpp>
23#include <boost/type_traits/detail/ice_or.hpp>
24#include <boost/type_traits/detail/ice_and.hpp>
25#include <boost/type_traits/detail/ice_not.hpp>
26#include <boost/static_assert.hpp>
27
28// should be the last #include
29#include <boost/type_traits/detail/type_trait_def.hpp>
30
31namespace boost {
32
33namespace detail {
34
35template <class T>
36struct make_unsigned_imp
37{
38   BOOST_STATIC_ASSERT(
39      (::boost::type_traits::ice_or< ::boost::is_integral<T>::value, ::boost::is_enum<T>::value>::value));
40#if !BOOST_WORKAROUND(BOOST_MSVC, <=1300)
41   BOOST_STATIC_ASSERT(
42      (::boost::type_traits::ice_not< ::boost::is_same<
43         typename remove_cv<T>::type, bool>::value>::value));
44#endif
45
46   typedef typename remove_cv<T>::type t_no_cv;
47   typedef typename mpl::if_c<
48      (::boost::type_traits::ice_and< 
49         ::boost::is_unsigned<T>::value,
50         ::boost::is_integral<T>::value,
51         ::boost::type_traits::ice_not< ::boost::is_same<t_no_cv, char>::value>::value,
52         ::boost::type_traits::ice_not< ::boost::is_same<t_no_cv, wchar_t>::value>::value,
53         ::boost::type_traits::ice_not< ::boost::is_same<t_no_cv, bool>::value>::value >::value),
54      T,
55      typename mpl::if_c<
56         (::boost::type_traits::ice_and< 
57            ::boost::is_integral<T>::value,
58            ::boost::type_traits::ice_not< ::boost::is_same<t_no_cv, char>::value>::value,
59            ::boost::type_traits::ice_not< ::boost::is_same<t_no_cv, wchar_t>::value>::value,
60            ::boost::type_traits::ice_not< ::boost::is_same<t_no_cv, bool>::value>::value>
61         ::value),
62         typename mpl::if_<
63            is_same<t_no_cv, signed char>,
64            unsigned char,
65            typename mpl::if_<
66               is_same<t_no_cv, short>,
67               unsigned short,
68               typename mpl::if_<
69                  is_same<t_no_cv, int>,
70                  unsigned int,
71                  typename mpl::if_<
72                     is_same<t_no_cv, long>,
73                     unsigned long,
74#if defined(BOOST_HAS_LONG_LONG)
75                     boost::ulong_long_type
76#elif defined(BOOST_HAS_MS_INT64)
77                     unsigned __int64
78#else
79                     unsigned long
80#endif
81                  >::type
82               >::type
83            >::type
84         >::type,
85         // Not a regular integer type:
86         typename mpl::if_c<
87            sizeof(t_no_cv) == sizeof(unsigned char),
88            unsigned char,
89            typename mpl::if_c<
90               sizeof(t_no_cv) == sizeof(unsigned short),
91               unsigned short,
92               typename mpl::if_c<
93                  sizeof(t_no_cv) == sizeof(unsigned int),
94                  unsigned int,
95                  typename mpl::if_c<
96                     sizeof(t_no_cv) == sizeof(unsigned long),
97                     unsigned long,
98#if defined(BOOST_HAS_LONG_LONG)
99                     boost::ulong_long_type
100#elif defined(BOOST_HAS_MS_INT64)
101                     unsigned __int64
102#else
103                     unsigned long
104#endif
105                  >::type
106               >::type
107            >::type
108         >::type
109      >::type
110   >::type base_integer_type;
111   
112   // Add back any const qualifier:
113   typedef typename mpl::if_<
114      is_const<T>,
115      typename add_const<base_integer_type>::type,
116      base_integer_type
117   >::type const_base_integer_type;
118   
119   // Add back any volatile qualifier:
120   typedef typename mpl::if_<
121      is_volatile<T>,
122      typename add_volatile<const_base_integer_type>::type,
123      const_base_integer_type
124   >::type type;
125};
126
127
128} // namespace detail
129
130BOOST_TT_AUX_TYPE_TRAIT_DEF1(make_unsigned,T,typename boost::detail::make_unsigned_imp<T>::type)
131
132} // namespace boost
133
134#include <boost/type_traits/detail/type_trait_undef.hpp>
135
136#endif // BOOST_TT_ADD_REFERENCE_HPP_INCLUDED
137
Note: See TracBrowser for help on using the repository browser.