71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
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/* Boost interval/hw_rounding.hpp template implementation file
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*
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* Copyright 2002 Herv<EFBFBD> Br<EFBFBD>nnimann, 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 BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
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#define BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
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#include <boost/numeric/interval/rounding.hpp>
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#include <boost/numeric/interval/rounded_arith.hpp>
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#define BOOST_NUMERIC_INTERVAL_NO_HARDWARE
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// define appropriate specialization of rounding_control for built-in types
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#if defined(__x86_64__) && (defined(__USE_ISOC99) || defined(__APPLE__))
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# include <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 <boost/numeric/interval/detail/x86_rounding_control.hpp>
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#elif defined(powerpc) || defined(__powerpc__) || defined(__ppc__)
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# include <boost/numeric/interval/detail/ppc_rounding_control.hpp>
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#elif defined(sparc) || defined(__sparc__)
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# include <boost/numeric/interval/detail/sparc_rounding_control.hpp>
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#elif defined(alpha) || defined(__alpha__)
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# include <boost/numeric/interval/detail/alpha_rounding_control.hpp>
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#elif defined(ia64) || defined(__ia64) || defined(__ia64__)
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# include <boost/numeric/interval/detail/ia64_rounding_control.hpp>
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#endif
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#if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE) && (defined(__USE_ISOC99) || defined(__MSL__))
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# include <boost/numeric/interval/detail/c99_rounding_control.hpp>
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#endif
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#if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE)
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# undef 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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namespace 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 boost
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#endif // BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
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