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70 lines
2.2 KiB
70 lines
2.2 KiB
/* 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 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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