ceph/src/boost/boost/numeric/interval/limits.hpp

   1 /* Boost interval/limits.hpp template implementation file
   2  *
   3  * Copyright 2000 Jens Maurer
   4  * Copyright 2002-2003 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_LIMITS_HPP
  12 #define BOOST_NUMERIC_INTERVAL_LIMITS_HPP
  13
  14
  15 #include <boost/config.hpp>
  16 #include <boost/limits.hpp>
  17 #include <boost/numeric/interval/detail/interval_prototype.hpp>
  18
  19 namespace std {
  20
  21 template<class T, class Policies>
  22 class numeric_limits<boost::numeric::interval<T, Policies> >
  23   : public numeric_limits<T>
  24 {
  25 private:
  26   typedef boost::numeric::interval<T, Policies> I;
  27   typedef numeric_limits<T> bl;
  28 public:
  29   static I min BOOST_PREVENT_MACRO_SUBSTITUTION () BOOST_NOEXCEPT_OR_NOTHROW { return I((bl::min)(), (bl::min)()); }
  30   static I max BOOST_PREVENT_MACRO_SUBSTITUTION () BOOST_NOEXCEPT_OR_NOTHROW { return I((bl::max)(), (bl::max)()); }
  31   static I epsilon() BOOST_NOEXCEPT_OR_NOTHROW { return I(bl::epsilon(), bl::epsilon()); }
  32
  33   BOOST_STATIC_CONSTANT(float_round_style, round_style = round_indeterminate);
  34   BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
  35
  36   static I infinity () BOOST_NOEXCEPT_OR_NOTHROW { return I::whole(); }
  37   static I quiet_NaN() BOOST_NOEXCEPT_OR_NOTHROW { return I::empty(); }
  38   static I signaling_NaN() BOOST_NOEXCEPT_OR_NOTHROW
  39   { return I(bl::signaling_NaN(), bl::signaling_Nan()); }
  40   static I denorm_min() BOOST_NOEXCEPT_OR_NOTHROW
  41   { return I(bl::denorm_min(), bl::denorm_min()); }
  42 private:
  43   static I round_error();    // hide this on purpose, not yet implemented
  44 };
  45
  46 } // namespace std
  47
  48
  49 #endif // BOOST_NUMERIC_INTERVAL_LIMITS_HPP