Last change
on this file since 1865:dcefd1d1377f was
1847:7cbc12e42482,
checked in by Alpar Juttner, 14 years ago

 Changed and improved Timer interface
 several new member functions
 reset() > restart() renaming
 TimeReport?: a Timer that prints a report on destruction.
 counter.h: a tool to measure the number of streps of algorithms.
 New documentation module for time measuring and counting.

File size:
1.1 KB

Line  

1  /* * C++ * 

2  * test/time_measure_test.cc  Part of LEMON, a generic C++ optimization library 

3  * 

4  * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport 

5  * (Egervary Research Group on Combinatorial Optimization, EGRES). 

6  * 

7  * Permission to use, modify and distribute this software is granted 

8  * provided that this copyright notice appears in all copies. For 

9  * precise terms see the accompanying LICENSE file. 

10  * 

11  * This software is provided "AS IS" with no warranty of any kind, 

12  * express or implied, and with no claim as to its suitability for any 

13  * purpose. 

14  * 

15  */ 

16  

17  #include <lemon/time_measure.h> 

18  

19  ///\file \brief Test cases for time_measure.h 

20  /// 

21  ///\todo To be extended 

22  

23  

24  using namespace lemon; 

25  

26  void f() 

27  { 

28  double d=0; 

29  for(int i=0;i<10000;i++) 

30  d+=0.1; 

31  } 

32  

33  int main() 

34  { 

35  Timer T; 

36  int n; 

37  for(n=0;T.realTime()<1.0;n++) ; 

38  std::cout << T << " (" << n << " time queries)\n"; 

39  T.restart(); 

40  while(T.realTime()<2.0) ; 

41  std::cout << T << '\n'; 

42  TimeStamp full; 

43  TimeStamp t=runningTimeTest(f,1,&n,&full); 

44  std::cout << t << " (" << n << " tests)\n"; 

45  std::cout << "Total: " << full << "\n"; 

46  

47  return 0; 

48  } 

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