| 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(__i386__) || defined(_M_IX86) || defined(__BORLANDC__) || defined(_M_X64) |
|---|
| 21 | # include <boost/numeric/interval/detail/x86_rounding_control.hpp> |
|---|
| 22 | #elif defined(powerpc) || defined(__powerpc__) || defined(__ppc__) |
|---|
| 23 | # include <boost/numeric/interval/detail/ppc_rounding_control.hpp> |
|---|
| 24 | #elif defined(sparc) || defined(__sparc__) |
|---|
| 25 | # include <boost/numeric/interval/detail/sparc_rounding_control.hpp> |
|---|
| 26 | #elif defined(alpha) || defined(__alpha__) |
|---|
| 27 | # include <boost/numeric/interval/detail/alpha_rounding_control.hpp> |
|---|
| 28 | #elif defined(ia64) || defined(__ia64) || defined(__ia64__) |
|---|
| 29 | # include <boost/numeric/interval/detail/ia64_rounding_control.hpp> |
|---|
| 30 | #endif |
|---|
| 31 | |
|---|
| 32 | #if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE) && (defined(__USE_ISOC99) || defined(__MSL__)) |
|---|
| 33 | # include <boost/numeric/interval/detail/c99_rounding_control.hpp> |
|---|
| 34 | #endif |
|---|
| 35 | |
|---|
| 36 | #if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE) |
|---|
| 37 | # undef BOOST_NUMERIC_INTERVAL_NO_HARDWARE |
|---|
| 38 | # error Boost.Numeric.Interval: Please specify rounding control mechanism. |
|---|
| 39 | #endif |
|---|
| 40 | |
|---|
| 41 | namespace boost { |
|---|
| 42 | namespace numeric { |
|---|
| 43 | namespace interval_lib { |
|---|
| 44 | |
|---|
| 45 | /* |
|---|
| 46 | * Three specializations of rounded_math<T> |
|---|
| 47 | */ |
|---|
| 48 | |
|---|
| 49 | template<> |
|---|
| 50 | struct rounded_math<float> |
|---|
| 51 | : save_state<rounded_arith_opp<float> > |
|---|
| 52 | {}; |
|---|
| 53 | |
|---|
| 54 | template<> |
|---|
| 55 | struct rounded_math<double> |
|---|
| 56 | : save_state<rounded_arith_opp<double> > |
|---|
| 57 | {}; |
|---|
| 58 | |
|---|
| 59 | template<> |
|---|
| 60 | struct rounded_math<long double> |
|---|
| 61 | : save_state<rounded_arith_opp<long double> > |
|---|
| 62 | {}; |
|---|
| 63 | |
|---|
| 64 | } // namespace interval_lib |
|---|
| 65 | } // namespace numeric |
|---|
| 66 | } // namespace boost |
|---|
| 67 | |
|---|
| 68 | #endif // BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP |
|---|
