ceph/src/boost/libs/mpi/test/gps_position.hpp

   1 #ifndef GPS_POSITION_HPP
   2 #define GPS_POSITION_HPP
   3
   4 // Copyright Matthias Troyer
   5 // 2005. Distributed under the Boost Software License, Version
   6 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <boost/mpi/datatype_fwd.hpp>
  10 #include <boost/mpl/and.hpp>
  11 #include <boost/serialization/export.hpp>
  12 #include <boost/shared_ptr.hpp>
  13
  14 class gps_position
  15 {
  16 private:
  17     friend class boost::serialization::access;
  18     // When the class Archive corresponds to an output archive, the
  19     // & operator is defined similar to <<.  Likewise, when the class Archive
  20     // is a type of input archive the & operator is defined similar to >>.
  21     template<class Archive>
  22     void serialize(Archive & ar, const unsigned int version)
  23     {
  24         ar & degrees & minutes & seconds;
  25     }
  26     int degrees;
  27     int minutes;
  28     float seconds;
  29 public:
  30     gps_position(){};
  31     gps_position(int d, int m, float s) :
  32         degrees(d), minutes(m), seconds(s)
  33     {}
  34
  35   friend bool operator==(const gps_position& x, const gps_position& y)
  36   {
  37     return (x.degrees == y.degrees
  38             && x.minutes == y.minutes
  39             && x.seconds == y.seconds);
  40   }
  41
  42   inline friend bool operator!=(const gps_position& x, const gps_position& y)
  43   {
  44     return !(x == y);
  45   }
  46 };
  47
  48
  49 namespace boost { namespace mpi {
  50
  51   template <>
  52   struct is_mpi_datatype<gps_position>
  53    : public mpl::and_
  54        <
  55                  is_mpi_datatype<int>,
  56                  is_mpi_datatype<float>
  57            >
  58   {};
  59
  60 } }
  61 #endif