ceph/src/boost/libs/chrono/include/boost/chrono/detail/no_warning/signed_unsigned_cmp.hpp

   1 //  is_evenly_divisible_by.hpp  --------------------------------------------------------------//
   2
   3 //  Copyright 2009-2010 Vicente J. Botet Escriba
   4
   5 //  Distributed under the Boost Software License, Version 1.0.
   6 //  See http://www.boost.org/LICENSE_1_0.txt
   7
   8 #ifndef BOOST_CHRONO_DETAIL_NO_WARNING_SIGNED_UNSIGNED_CMP_HPP
   9 #define BOOST_CHRONO_DETAIL_NO_WARNING_SIGNED_UNSIGNED_CMP_HPP
  10
  11 //
  12 // We simply cannot include this header on gcc without getting copious warnings of the kind:
  13 //
  14 //../../../boost/chrono/detail/no_warning/signed_unsigned_cmp.hpp:37: warning: comparison between signed and unsigned integer expressions
  15 //
  16 // And yet there is no other reasonable implementation, so we declare this a system header
  17 // to suppress these warnings.
  18 //
  19
  20 #if defined(__GNUC__) && (__GNUC__ >= 4)
  21 #pragma GCC system_header
  22 #elif defined __SUNPRO_CC
  23 #pragma disable_warn
  24 #elif defined _MSC_VER
  25 #pragma warning(push, 1)
  26 #endif
  27
  28 namespace boost {
  29 namespace chrono {
  30 namespace detail {
  31
  32   template <class T, class U>
  33   bool lt(T t, U u)
  34   {
  35     return t < u;
  36   }
  37
  38   template <class T, class U>
  39   bool gt(T t, U u)
  40   {
  41     return t > u;
  42   }
  43
  44 } // namespace detail
  45 } // namespace detail
  46 } // namespace chrono
  47
  48 #if defined __SUNPRO_CC
  49 #pragma enable_warn
  50 #elif defined _MSC_VER
  51 #pragma warning(pop)
  52 #endif
  53
  54 #endif // BOOST_CHRONO_DETAIL_NO_WARNING_SIGNED_UNSIGNED_CMP_HPP