ceph/src/boost/boost/numeric/interval/detail/c99_rounding_control.hpp

   1 /* Boost interval/detail/c99_rounding_control.hpp file
   2  *
   3  * Copyright 2000 Jens Maurer
   4  * Copyright 2002 Hervé Brönnimann, Guillaume Melquiond, Sylvain Pion
   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_DETAIL_C99_ROUNDING_CONTROL_HPP
  12 #define BOOST_NUMERIC_INTERVAL_DETAIL_C99_ROUNDING_CONTROL_HPP
  13
  14 #include <boost/numeric/interval/detail/c99sub_rounding_control.hpp>
  15
  16 namespace boost {
  17 namespace numeric {
  18 namespace interval_lib {
  19
  20 template<>
  21 struct rounding_control<float>:
  22   detail::c99_rounding_control
  23 {
  24   static float force_rounding(float const &r)
  25   { volatile float r_ = r; return r_; }
  26 };
  27
  28 template<>
  29 struct rounding_control<double>:
  30   detail::c99_rounding_control
  31 {
  32   static double force_rounding(double const &r)
  33   { volatile double r_ = r; return r_; }
  34 };
  35
  36 template<>
  37 struct rounding_control<long double>:
  38   detail::c99_rounding_control
  39 {
  40   static long double force_rounding(long double const &r)
  41   { volatile long double r_ = r; return r_; }
  42 };
  43
  44 } // namespace interval_lib
  45 } // namespace numeric
  46 } // namespace boost
  47
  48 #undef BOOST_NUMERIC_INTERVAL_NO_HARDWARE
  49
  50 #endif // BOOST_NUMERIC_INTERVAL_DETAIL_C99_ROUNDING_CONTROL_HPP