Stopwatch.hpp 950 B

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  1. /*
  2. * Copyright (c) 2018 shchmue
  3. *
  4. * This program is free software; you can redistribute it and/or modify it
  5. * under the terms and conditions of the GNU General Public License,
  6. * version 2, as published by the Free Software Foundation.
  7. *
  8. * This program is distributed in the hope it will be useful, but WITHOUT
  9. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  11. * more details.
  12. *
  13. * You should have received a copy of the GNU General Public License
  14. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  15. */
  16. #pragma once
  17. #include <time.h>
  18. class Stopwatch {
  19. public:
  20. void start();
  21. void stop();
  22. float get_elapsed() const { return (end_time.tv_sec - start_time.tv_sec) + (end_time.tv_nsec - start_time.tv_nsec) / 1000000000.0; };
  23. private:
  24. struct timespec start_time, end_time;
  25. };