terminal_tools: time.h Source File

00001 /*
00002  * Software License Agreement (BSD License)
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00004  *  Copyright (c) 2010, Willow Garage, Inc.
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00007  *  Redistribution and use in source and binary forms, with or without
00008  *  modification, are permitted provided that the following conditions
00009  *  are met:
00010  *
00011  *   * Redistributions of source code must retain the above copyright
00012  *     notice, this list of conditions and the following disclaimer.
00013  *   * Redistributions in binary form must reproduce the above
00014  *     copyright notice, this list of conditions and the following
00015  *     disclaimer in the documentation and/or other materials provided
00016  *     with the distribution.
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00019  *     from this software without specific prior written permission.
00020  *
00021  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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00034  * $Id: time.h 30706 2010-07-09 18:20:31Z rusu $
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00036  */
00037 #ifndef TERMINAL_TOOLS_TIME_H_
00038 #define TERMINAL_TOOLS_TIME_H_
00039 
00040 #include <sys/time.h>
00041 #include "terminal_tools/print.h"
00042 
00043 namespace terminal_tools
00044 {
00045   class TicToc
00046   {
00047     public:
00048       void tic ()
00049       {
00050         gettimeofday (&tictic,NULL);
00051       };
00052 
00053       inline double toc ()
00054       {
00055         gettimeofday (&toctoc,NULL);
00056         return (toctoc.tv_sec + ((double)toctoc.tv_usec / 1000000.0))
00057              - (tictic.tv_sec + ((double)tictic.tv_usec / 1000000.0));
00058       };
00059       
00060       inline void toc_print ()
00061       {
00062         double seconds = toc ();
00063         int minutes = (int) floor ( seconds / 60.0 );
00064         seconds -= minutes * 60.0;
00065         if (minutes != 0)
00066         {
00067           print_value ("%i", minutes);
00068           print_info (" minutes, ");
00069         }
00070         print_value ("%g", seconds);
00071         print_info (" seconds\n");
00072       };
00073     
00074     private:
00075       timeval tictic;
00076       timeval toctoc;
00077   };
00078 } 
00079 
00080 #endif