COIN-OR::LEMON - Graph Library

source: lemon-0.x/test/time_measure_test.cc @ 1847:7cbc12e42482

Last change on this file since 1847:7cbc12e42482 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
24using namespace lemon;
25
26void f()
27{
28  double d=0;
29  for(int i=0;i<10000;i++)
30    d+=0.1;
31}
32
33int 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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