wall_clock_proto.hpp

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00001 // Copyright (C) 2009 NICTA
00002 // 
00003 // Authors:
00004 // - Conrad Sanderson (conradsand at ieee dot org)
00005 // 
00006 // This file is part of the Armadillo C++ library.
00007 // It is provided without any warranty of fitness
00008 // for any purpose. You can redistribute this file
00009 // and/or modify it under the terms of the GNU
00010 // Lesser General Public License (LGPL) as published
00011 // by the Free Software Foundation, either version 3
00012 // of the License or (at your option) any later version.
00013 // (see http://www.opensource.org/licenses for more info)
00014 
00015 
00016 //! \addtogroup wall_clock
00017 //! @{
00018 
00019 
00020 //! Class for measuring time intervals
00021 class wall_clock
00022   {
00023   public:
00024   
00025   inline wall_clock();
00026   inline ~wall_clock();
00027   
00028   inline void   tic();  //!< start the timer
00029   inline double toc();  //!< return the number of seconds since the last call to tic()
00030   
00031   
00032   private:
00033   
00034   bool valid;
00035   
00036   #if defined(ARMA_USE_BOOST_DATE)
00037     boost::posix_time::ptime         boost_time1;
00038     boost::posix_time::time_duration boost_duration;
00039   #else
00040     #if defined(ARMA_HAVE_GETTIMEOFDAY)
00041       struct timeval posix_time1;
00042       struct timeval posix_time2;
00043     #endif
00044   #endif
00045   
00046   };
00047 
00048 
00049 //! @}