COIN-OR::LEMON - Graph Library

source: lemon-main/test/time_measure_test.cc @ 1163:db1d342a1087

Last change on this file since 1163:db1d342a1087 was 1092:dceba191c00d, checked in by Alpar Juttner <alpar@…>, 11 years ago

Apply unify-sources.sh to the source tree

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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) 2003-2013
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#include <lemon/concept_check.h>
21
22using namespace lemon;
23
24void f()
25{
26  double d=0;
27  for(int i=0;i<1000;i++)
28    d+=0.1;
29}
30
31void g()
32{
33  static Timer T;
34
35  for(int i=0;i<1000;i++)
36    {
37      TimeStamp x(T);
38      ::lemon::ignore_unused_variable_warning(x);
39    }
40}
41
42int main()
43{
44  Timer T;
45  unsigned int n;
46  for(n=0;T.realTime()<0.1;n++) ;
47  std::cout << T << " (" << n << " time queries)\n";
48
49  TimeStamp full;
50  TimeStamp t;
51  t=runningTimeTest(f,0.1,&n,&full);
52  std::cout << t << " (" << n << " tests)\n";
53  std::cout << "Total: " << full << "\n";
54
55  t=runningTimeTest(g,0.1,&n,&full);
56  std::cout << t << " (" << n << " tests)\n";
57  std::cout << "Total: " << full << "\n";
58
59  return 0;
60}
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