106 lines
4.2 KiB
C++
106 lines
4.2 KiB
C++
//
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//! Copyright (c) 2011
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//! Brandon Kohn
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#if !defined(BOOST_NUMERIC_CONVERSION_DONT_USE_PREPROCESSED_FILES)
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#include <boost/numeric/conversion/detail/preprocessed/numeric_cast_traits.hpp>
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#else
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#if !BOOST_PP_IS_ITERATING
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#include <boost/preprocessor/iteration/iterate.hpp>
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#include <boost/preprocessor/seq/elem.hpp>
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#include <boost/preprocessor/seq/size.hpp>
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#if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
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#pragma wave option(preserve: 2, line: 0, output: "preprocessed/numeric_cast_traits.hpp")
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#endif
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//
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//! Copyright (c) 2011
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//! Brandon Kohn
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
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#pragma wave option(preserve: 1)
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#endif
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//! Generate the specializations for the built-in types.
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#if !defined( BOOST_NO_INT64_T )
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#define BOOST_NUMERIC_CONVERSION_BUILTIN_TYPES() \
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(char) \
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(boost::int8_t) \
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(boost::uint8_t) \
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(boost::int16_t) \
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(boost::uint16_t) \
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(boost::int32_t) \
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(boost::uint32_t) \
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(boost::int64_t) \
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(boost::uint64_t) \
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(float) \
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(double) \
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(long double) \
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/***/
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#else
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#define BOOST_NUMERIC_CONVERSION_BUILTIN_TYPES() \
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(char) \
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(boost::int8_t) \
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(boost::uint8_t) \
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(boost::int16_t) \
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(boost::uint16_t) \
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(boost::int32_t) \
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(boost::uint32_t) \
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(float) \
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(double) \
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(long double) \
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/***/
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#endif
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namespace boost { namespace numeric {
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#define BOOST_PP_ITERATION_PARAMS_1 (3, (0, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(BOOST_NUMERIC_CONVERSION_BUILTIN_TYPES())), <boost/numeric/conversion/detail/numeric_cast_traits.hpp>))
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#include BOOST_PP_ITERATE()
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}}//namespace boost::numeric;
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#if defined(__WAVE__) && defined(BOOST_NUMERIC_CONVERSION_CREATE_PREPROCESSED_FILES)
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#pragma wave option(output: null)
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#endif
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#undef BOOST_NUMERIC_CONVERSION_BUILTIN_TYPES
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#elif BOOST_PP_ITERATION_DEPTH() == 1
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#define BOOST_PP_ITERATION_PARAMS_2 (3, (0, BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(BOOST_NUMERIC_CONVERSION_BUILTIN_TYPES())), <boost/numeric/conversion/detail/numeric_cast_traits.hpp>))
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#include BOOST_PP_ITERATE()
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#elif BOOST_PP_ITERATION_DEPTH() == 2
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//! Generate default traits for the specified source and target.
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#define BOOST_NUMERIC_CONVERSION_A BOOST_PP_FRAME_ITERATION(1)
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#define BOOST_NUMERIC_CONVERSION_B BOOST_PP_FRAME_ITERATION(2)
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template <>
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struct numeric_cast_traits
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<
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BOOST_PP_SEQ_ELEM(BOOST_NUMERIC_CONVERSION_A, BOOST_NUMERIC_CONVERSION_BUILTIN_TYPES())
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, BOOST_PP_SEQ_ELEM(BOOST_NUMERIC_CONVERSION_B, BOOST_NUMERIC_CONVERSION_BUILTIN_TYPES())
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>
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{
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typedef def_overflow_handler overflow_policy;
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typedef UseInternalRangeChecker range_checking_policy;
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typedef Trunc<BOOST_PP_SEQ_ELEM(BOOST_NUMERIC_CONVERSION_B, BOOST_NUMERIC_CONVERSION_BUILTIN_TYPES())> rounding_policy;
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};
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#undef BOOST_NUMERIC_CONVERSION_A
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#undef BOOST_NUMERIC_CONVERSION_B
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#endif//! Depth 2.
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#endif// BOOST_NUMERIC_CONVERSION_DONT_USE_PREPROCESSED_FILES
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