SkelGIS  3.0
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00001 /*! \file chronometer.hpp
00002  *  \brief Tool to calculate execution times. Not used by the user.
00003  */
00004 #ifndef CHRONOMETER_HPP
00005 #define CHRONOMETER_HPP
00006 
00007 #include <sys/time.h>
00008 #include <iostream>
00009 
00010 //-------------------------------------------------------------------------------
00011 class Chronometer
00012 //-------------------------------------------------------------------------------
00013 {
00014 private:
00015 
00016   timeval begin, end;
00017     
00018 public:
00019 
00020   //-------------------------------------------------------------------------------
00021   Chronometer(){}
00022   //-------------------------------------------------------------------------------
00023 
00024   //-------------------------------------------------------------------------------
00025   inline void start()
00026   //-------------------------------------------------------------------------------
00027   {
00028     gettimeofday(&begin, NULL);
00029   }
00030   //-------------------------------------------------------------------------------
00031 
00032   //-------------------------------------------------------------------------------
00033  inline void stop()
00034  //-------------------------------------------------------------------------------
00035   {
00036     gettimeofday(&end, NULL);
00037   }
00038   //-------------------------------------------------------------------------------
00039 
00040   //-------------------------------------------------------------------------------
00041   inline float dureeCalcule() const
00042   //-------------------------------------------------------------------------------
00043   {
00044     return ((float)(end.tv_sec - begin.tv_sec) + (float)(end.tv_usec -  begin.tv_usec) /1000000);
00045   }
00046   //-------------------------------------------------------------------------------
00047 
00048 };
00049 
00050 #endif
00051 //-------------------------------------------------------------------------------
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