source: XIOS/dev/dev_olga/src/extern/boost/include/boost/numeric/interval/hw_rounding.hpp @ 1022

Last change on this file since 1022 was 1022, checked in by mhnguyen, 7 years ago
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1/* Boost interval/hw_rounding.hpp template implementation file
2 *
3 * Copyright 2002 Hervé Brönnimann, Guillaume Melquiond, Sylvain Pion
4 * Copyright 2005 Guillaume Melquiond
5 *
6 * Distributed under the Boost Software License, Version 1.0.
7 * (See accompanying file LICENSE_1_0.txt or
8 * copy at http://www.boost.org/LICENSE_1_0.txt)
9 */
10
11#ifndef BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
12#define BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
13
14#include <boost/numeric/interval/rounding.hpp>
15#include <boost/numeric/interval/rounded_arith.hpp>
16
17#define BOOST_NUMERIC_INTERVAL_NO_HARDWARE
18
19// define appropriate specialization of rounding_control for built-in types
20#if defined(__x86_64__) && (defined(__USE_ISOC99) || defined(__APPLE__))
21#  include <boost/numeric/interval/detail/c99_rounding_control.hpp>
22#elif defined(__i386__) || defined(_M_IX86) || defined(__BORLANDC__) || defined(_M_X64)
23#  include <boost/numeric/interval/detail/x86_rounding_control.hpp>
24#elif defined(powerpc) || defined(__powerpc__) || defined(__ppc__)
25#  include <boost/numeric/interval/detail/ppc_rounding_control.hpp>
26#elif defined(sparc) || defined(__sparc__)
27#  include <boost/numeric/interval/detail/sparc_rounding_control.hpp>
28#elif defined(alpha) || defined(__alpha__)
29#  include <boost/numeric/interval/detail/alpha_rounding_control.hpp>
30#elif defined(ia64) || defined(__ia64) || defined(__ia64__)
31#  include <boost/numeric/interval/detail/ia64_rounding_control.hpp>
32#endif
33
34#if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE) && (defined(__USE_ISOC99) || defined(__MSL__))
35#  include <boost/numeric/interval/detail/c99_rounding_control.hpp>
36#endif
37
38#if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE)
39#  undef BOOST_NUMERIC_INTERVAL_NO_HARDWARE
40#  error Boost.Numeric.Interval: Please specify rounding control mechanism.
41#endif
42
43namespace boost {
44namespace numeric {
45namespace interval_lib {
46
47/*
48 * Three specializations of rounded_math<T>
49 */
50
51template<>
52struct rounded_math<float>
53  : save_state<rounded_arith_opp<float> >
54{};
55
56template<>
57struct rounded_math<double>
58  : save_state<rounded_arith_opp<double> >
59{};
60
61template<>
62struct rounded_math<long double>
63  : save_state<rounded_arith_opp<long double> >
64{};
65
66} // namespace interval_lib
67} // namespace numeric
68} // namespace boost
69
70#endif // BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
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