COIN-OR::LEMON - Graph Library

source: lemon-1.0/test/time_measure_test.cc @ 394:d8ca76573eb3

Last change on this file since 394:d8ca76573eb3 was 209:765619b7cbb2, checked in by Alpar Juttner <alpar@…>, 16 years ago

Apply unify-sources.sh to the source tree

File size: 1.3 KB
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1/* -*- mode: C++; indent-tabs-mode: nil; -*-
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
21using namespace lemon;
22
23void f()
24{
25  double d=0;
26  for(int i=0;i<1000;i++)
27    d+=0.1;
28}
29
30void g()
31{
32  static Timer T;
33
34  for(int i=0;i<1000;i++)
35    TimeStamp x(T);
36}
37
38int main()
39{
40  Timer T;
41  unsigned int n;
42  for(n=0;T.realTime()<1.0;n++) ;
43  std::cout << T << " (" << n << " time queries)\n";
44  T.restart();
45  while(T.realTime()<2.0) ;
46  std::cout << T << '\n';
47  TimeStamp full;
48  TimeStamp t;
49  t=runningTimeTest(f,1,&n,&full);
50  std::cout << t << " (" << n << " tests)\n";
51  std::cout << "Total: " << full << "\n";
52
53  t=runningTimeTest(g,1,&n,&full);
54  std::cout << t << " (" << n << " tests)\n";
55  std::cout << "Total: " << full << "\n";
56
57  return 0;
58}
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