COIN-OR::LEMON - Graph Library

source: lemon-1.2/test/time_measure_test.cc @ 159:c7d30f7810e5

Last change on this file since 159:c7d30f7810e5 was 119:82a2639a05bb, checked in by Alpar Juttner <alpar@…>, 12 years ago

Port time and counter utilities from svn -r3482
The mingw support has been removed

File size: 1.3 KB
Line 
1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2008
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 *
9 * Permission to use, modify and distribute this software is granted
10 * provided that this copyright notice appears in all copies. For
11 * precise terms see the accompanying LICENSE file.
12 *
13 * This software is provided "AS IS" with no warranty of any kind,
14 * express or implied, and with no claim as to its suitability for any
15 * purpose.
16 *
17 */
18
19#include <lemon/time_measure.h>
20
21///\file \brief Test cases for time_measure.h
22///
23///\todo To be extended
24
25
26using namespace lemon;
27
28void f()
29{
30  double d=0;
31  for(int i=0;i<1000;i++)
32    d+=0.1;
33}
34
35void g()
36{
37  static Timer T;
38 
39  for(int i=0;i<1000;i++)
40    TimeStamp x(T);
41}
42
43int main()
44{
45  Timer T;
46  unsigned int n;
47  for(n=0;T.realTime()<1.0;n++) ;
48  std::cout << T << " (" << n << " time queries)\n";
49  T.restart();
50  while(T.realTime()<2.0) ;
51  std::cout << T << '\n';
52  TimeStamp full;
53  TimeStamp t;
54  t=runningTimeTest(f,1,&n,&full);
55  std::cout << t << " (" << n << " tests)\n";
56  std::cout << "Total: " << full << "\n";
57 
58  t=runningTimeTest(g,1,&n,&full);
59  std::cout << t << " (" << n << " tests)\n";
60  std::cout << "Total: " << full << "\n";
61 
62  return 0;
63}
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