boost/numeric/conversion/detail/numeric_cast_traits.hpp

   1 //
   2 //! Copyright (c) 2011-2012
   3 //! Brandon Kohn
   4 //
   5 //  Distributed under the Boost Software License, Version 1.0. (See
   6 //  accompanying file LICENSE_1_0.txt or copy at
   7 //  http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9
  10 #if !defined(BOOST_NUMERIC_CONVERSION_DONT_USE_PREPROCESSED_FILES)
  11
  12     #include <boost/numeric/conversion/detail/preprocessed/numeric_cast_traits_common.hpp>
  13
  14         #if !defined(BOOST_NO_LONG_LONG)
  15         #include <boost/numeric/conversion/detail/preprocessed/numeric_cast_traits_long_long.hpp>
  16         #endif
  17
  18 #else
  19 #if !BOOST_PP_IS_ITERATING
  20
  21     #include <boost/preprocessor/seq/elem.hpp>
  22     #include <boost/preprocessor/seq/size.hpp>
  23     #include <boost/preprocessor/iteration/iterate.hpp>
  24
  25     #if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
  26         #pragma wave option(preserve: 2, line: 0, output: "preprocessed/numeric_cast_traits_common.hpp")
  27     #endif
  28 //
  29 //! Copyright (c) 2011-2012
  30 //! Brandon Kohn
  31 //
  32 //  Distributed under the Boost Software License, Version 1.0. (See
  33 //  accompanying file LICENSE_1_0.txt or copy at
  34 //  http://www.boost.org/LICENSE_1_0.txt)
  35 //
  36     #if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
  37         #pragma wave option(preserve: 1)
  38     #endif
  39
  40         //! These are the assumed common built in fundamental types (not typedefs/macros.)
  41         #define BOOST_NUMERIC_CONVERSION_BASE_BUILTIN_TYPES() \
  42         (char)                                            \
  43         (signed char)                                     \
  44         (unsigned char)                                   \
  45         (short)                                           \
  46         (unsigned short)                                  \
  47         (int)                                             \
  48         (unsigned int)                                    \
  49         (long)                                            \
  50         (unsigned long)                                   \
  51         (float)                                           \
  52         (double)                                          \
  53         (long double)                                     \
  54     /***/
  55
  56     #define BOOST_NUMERIC_CONVERSION_SEQ_A() BOOST_NUMERIC_CONVERSION_BASE_BUILTIN_TYPES()
  57         #define BOOST_NUMERIC_CONVERSION_SEQ_B() BOOST_NUMERIC_CONVERSION_BASE_BUILTIN_TYPES()
  58
  59 namespace boost { namespace numeric {
  60
  61     #define BOOST_PP_ITERATION_PARAMS_1 (3, (0, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(BOOST_NUMERIC_CONVERSION_SEQ_A())), <boost/numeric/conversion/detail/numeric_cast_traits.hpp>))
  62     #include BOOST_PP_ITERATE()
  63
  64 }}//namespace boost::numeric;
  65
  66     #if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
  67         #pragma wave option(output: null)
  68     #endif
  69
  70         #if ( defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES) ) || !defined(BOOST_NO_LONG_LONG)
  71
  72             #undef BOOST_NUMERIC_CONVERSION_SEQ_A
  73             #undef BOOST_NUMERIC_CONVERSION_SEQ_B
  74
  75             #if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
  76             #pragma wave option(preserve: 2, line: 0, output: "preprocessed/numeric_cast_traits_long_long.hpp")
  77         #endif
  78
  79 //
  80 //! Copyright (c) 2011-2012
  81 //! Brandon Kohn
  82 //
  83 //  Distributed under the Boost Software License, Version 1.0. (See
  84 //  accompanying file LICENSE_1_0.txt or copy at
  85 //  http://www.boost.org/LICENSE_1_0.txt)
  86 //
  87         #if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
  88             #pragma wave option(preserve: 1)
  89         #endif
  90
  91 namespace boost { namespace numeric {
  92
  93     #define BOOST_NUMERIC_CONVERSION_SEQ_A() BOOST_NUMERIC_CONVERSION_BASE_BUILTIN_TYPES()(boost::long_long_type)(boost::ulong_long_type)
  94         #define BOOST_NUMERIC_CONVERSION_SEQ_B() (boost::long_long_type)(boost::ulong_long_type)
  95
  96     #define BOOST_PP_ITERATION_PARAMS_1 (3, (0, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(BOOST_NUMERIC_CONVERSION_SEQ_A())), <boost/numeric/conversion/detail/numeric_cast_traits.hpp>))
  97     #include BOOST_PP_ITERATE()
  98
  99 }}//namespace boost::numeric;
 100
 101         #if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
 102             #pragma wave option(output: null)
 103         #endif
 104
 105         #endif
 106
 107     #undef BOOST_NUMERIC_CONVERSION_BASE_BUILTIN_TYPES
 108         #undef BOOST_NUMERIC_CONVERSION_SEQ_A
 109         #undef BOOST_NUMERIC_CONVERSION_SEQ_B
 110
 111 #elif BOOST_PP_ITERATION_DEPTH() == 1
 112
 113     #define BOOST_PP_ITERATION_PARAMS_2 (3, (0, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(BOOST_NUMERIC_CONVERSION_SEQ_B())), <boost/numeric/conversion/detail/numeric_cast_traits.hpp>))
 114     #include BOOST_PP_ITERATE()
 115
 116 #elif BOOST_PP_ITERATION_DEPTH() == 2
 117
 118     //! Generate default traits for the specified source and target.
 119     #define BOOST_NUMERIC_CONVERSION_A BOOST_PP_FRAME_ITERATION(1)
 120     #define BOOST_NUMERIC_CONVERSION_B BOOST_PP_FRAME_ITERATION(2)
 121
 122     template <>
 123     struct numeric_cast_traits
 124         <
 125             BOOST_PP_SEQ_ELEM(BOOST_NUMERIC_CONVERSION_A, BOOST_NUMERIC_CONVERSION_SEQ_A())
 126           , BOOST_PP_SEQ_ELEM(BOOST_NUMERIC_CONVERSION_B, BOOST_NUMERIC_CONVERSION_SEQ_B())
 127         >
 128     {
 129         typedef def_overflow_handler overflow_policy;
 130         typedef UseInternalRangeChecker range_checking_policy;
 131         typedef Trunc<BOOST_PP_SEQ_ELEM(BOOST_NUMERIC_CONVERSION_B, BOOST_NUMERIC_CONVERSION_SEQ_B())> rounding_policy;
 132     };
 133
 134     #undef BOOST_NUMERIC_CONVERSION_A
 135     #undef BOOST_NUMERIC_CONVERSION_B
 136
 137 #endif//! Depth 2.
 138 #endif// BOOST_NUMERIC_CONVERSION_DONT_USE_PREPROCESSED_FILES