Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/* Boost interval/hw_rounding.hpp template implementation file
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*
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* Copyright 2002 Hervé Brönnimann, Guillaume Melquiond, Sylvain Pion
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* Copyright 2005 Guillaume Melquiond
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or
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* copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef GECODE_BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
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#define GECODE_BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
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#include <gecode/third-party/boost/numeric/interval/rounding.hpp>
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#include <gecode/third-party/boost/numeric/interval/rounded_arith.hpp>
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#define GECODE_BOOST_NUMERIC_INTERVAL_NO_HARDWARE
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#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || (defined(__cplusplus) && __cplusplus >= 201103L)
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# define GECODE_BOOST_C99_ENABLED
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#endif
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// define appropriate specialization of rounding_control for built-in types
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#if defined(__x86_64__) && (defined(GECODE_BOOST_C99_ENABLED) || defined(__APPLE__))
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# include <gecode/third-party/boost/numeric/interval/detail/c99_rounding_control.hpp>
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#elif defined(__i386__) || defined(_M_IX86) || defined(__BORLANDC__) || defined(_M_X64)
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# include <gecode/third-party/boost/numeric/interval/detail/x86_rounding_control.hpp>
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#elif defined(powerpc) || defined(__powerpc__) || defined(__ppc__)
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#ifndef __NO_FPRS__
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# include <gecode/third-party/boost/numeric/interval/detail/ppc_rounding_control.hpp>
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#endif
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#elif defined(sparc) || defined(__sparc__)
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# include <gecode/third-party/boost/numeric/interval/detail/sparc_rounding_control.hpp>
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#elif defined(alpha) || defined(__alpha__)
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# include <gecode/third-party/boost/numeric/interval/detail/alpha_rounding_control.hpp>
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#elif defined(ia64) || defined(__ia64) || defined(__ia64__)
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# include <gecode/third-party/boost/numeric/interval/detail/ia64_rounding_control.hpp>
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#endif
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#if defined(GECODE_BOOST_NUMERIC_INTERVAL_NO_HARDWARE) && (defined(GECODE_BOOST_C99_ENABLED) || defined(__MSL__))
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# include <gecode/third-party/boost/numeric/interval/detail/c99_rounding_control.hpp>
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#endif
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#if defined(GECODE_BOOST_NUMERIC_INTERVAL_NO_HARDWARE)
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# undef GECODE_BOOST_NUMERIC_INTERVAL_NO_HARDWARE
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# error Boost.Numeric.Interval: Please specify rounding control mechanism.
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#endif
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#undef GECODE_BOOST_C99_ENABLED
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namespace gecode_boost {
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namespace numeric {
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namespace interval_lib {
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/*
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* Three specializations of rounded_math<T>
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*/
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template<>
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struct rounded_math<float>
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: save_state<rounded_arith_opp<float> >
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{};
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template<>
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struct rounded_math<double>
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: save_state<rounded_arith_opp<double> >
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{};
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template<>
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struct rounded_math<long double>
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: save_state<rounded_arith_opp<long double> >
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{};
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} // namespace interval_lib
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} // namespace numeric
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} // namespace gecode_boost
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#endif // GECODE_BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
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