COIN-OR::LEMON - Graph Library

source: lemon-1.2/test/time_measure_test.cc @ 726:3fc2a801c39e

Last change on this file since 726:3fc2a801c39e was 558:f53d641aa967, checked in by Peter Kovacs <kpeter@…>, 11 years ago

Improve timer and counter tests (#253)

  • Do not print the output of counter_test.cc.
  • Check the output of counter_test.cc.
  • Shorten the running time of time_measure_test.cc.
File size: 1.2 KB
Line 
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) 2003-2009
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()<0.1;n++) ;
43  std::cout << T << " (" << n << " time queries)\n";
44
45  TimeStamp full;
46  TimeStamp t;
47  t=runningTimeTest(f,0.1,&n,&full);
48  std::cout << t << " (" << n << " tests)\n";
49  std::cout << "Total: " << full << "\n";
50
51  t=runningTimeTest(g,0.1,&n,&full);
52  std::cout << t << " (" << n << " tests)\n";
53  std::cout << "Total: " << full << "\n";
54
55  return 0;
56}
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