ceph/src/boost/libs/integer/include/boost/integer/static_min_max.hpp

   1 //  Boost integer/static_min_max.hpp header file  ----------------------------//
   2
   3 //  (C) Copyright Daryle Walker 2001.
   4 //  Distributed under the Boost Software License, Version 1.0. (See
   5 //  accompanying file LICENSE_1_0.txt or copy at
   6 //  http://www.boost.org/LICENSE_1_0.txt)
   7
   8 //  See http://www.boost.org for updates, documentation, and revision history.
   9
  10 #ifndef BOOST_INTEGER_STATIC_MIN_MAX_HPP
  11 #define BOOST_INTEGER_STATIC_MIN_MAX_HPP
  12
  13 #include <boost/integer_fwd.hpp>  // self include
  14
  15 namespace boost
  16 {
  17
  18 //  Compile-time extrema class declarations  ---------------------------------//
  19 //  Get the minimum or maximum of two values, signed or unsigned.
  20
  21 template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
  22 struct static_signed_min
  23 {
  24     BOOST_STATIC_CONSTANT(static_min_max_signed_type, value = (Value1 > Value2) ? Value2 : Value1 );
  25 };
  26
  27 template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
  28 struct static_signed_max
  29 {
  30     BOOST_STATIC_CONSTANT(static_min_max_signed_type, value = (Value1 < Value2) ? Value2 : Value1 );
  31 };
  32
  33 template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
  34 struct static_unsigned_min
  35 {
  36     BOOST_STATIC_CONSTANT(static_min_max_unsigned_type, value
  37      = (Value1 > Value2) ? Value2 : Value1 );
  38 };
  39
  40 template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
  41 struct static_unsigned_max
  42 {
  43     BOOST_STATIC_CONSTANT(static_min_max_unsigned_type, value
  44      = (Value1 < Value2) ? Value2 : Value1 );
  45 };
  46
  47
  48 }  // namespace boost
  49
  50
  51 #endif  // BOOST_INTEGER_STATIC_MIN_MAX_HPP