1 /* Boost interval/hw_rounding.hpp template implementation file
3 * Copyright 2002 Hervé Brönnimann, Guillaume Melquiond, Sylvain Pion
4 * Copyright 2005 Guillaume Melquiond
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)
11 #ifndef BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
12 #define BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
14 #include <boost/numeric/interval/rounding.hpp>
15 #include <boost/numeric/interval/rounded_arith.hpp>
17 #define BOOST_NUMERIC_INTERVAL_NO_HARDWARE
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(__i386) && defined(__SUNPRO_CC)
25 # include <boost/numeric/interval/detail/x86_rounding_control.hpp>
26 #elif defined(powerpc) || defined(__powerpc__) || defined(__ppc__)
27 # include <boost/numeric/interval/detail/ppc_rounding_control.hpp>
28 #elif defined(sparc) || defined(__sparc__)
29 # include <boost/numeric/interval/detail/sparc_rounding_control.hpp>
30 #elif defined(alpha) || defined(__alpha__)
31 # include <boost/numeric/interval/detail/alpha_rounding_control.hpp>
32 #elif defined(ia64) || defined(__ia64) || defined(__ia64__)
33 # include <boost/numeric/interval/detail/ia64_rounding_control.hpp>
36 #if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE) && (defined(__USE_ISOC99) || defined(__MSL__))
37 # include <boost/numeric/interval/detail/c99_rounding_control.hpp>
40 #if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE)
41 # undef BOOST_NUMERIC_INTERVAL_NO_HARDWARE
42 # error Boost.Numeric.Interval: Please specify rounding control mechanism.
47 namespace interval_lib {
50 * Three specializations of rounded_math<T>
54 struct rounded_math<float>
55 : save_state<rounded_arith_opp<float> >
59 struct rounded_math<double>
60 : save_state<rounded_arith_opp<double> >
64 struct rounded_math<long double>
65 : save_state<rounded_arith_opp<long double> >
68 } // namespace interval_lib
69 } // namespace numeric
72 #endif // BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP