test/time_measure_test.cc
author Alpar Juttner <alpar@cs.elte.hu>
Sun, 11 Aug 2013 21:56:21 +0200
changeset 1098 cf6084618b1b
parent 1083 3e711ee55d31
permissions -rw-r--r--
Merge headmerge to the default branch
alpar@209
     1
/* -*- mode: C++; indent-tabs-mode: nil; -*-
alpar@119
     2
 *
alpar@209
     3
 * This file is a part of LEMON, a generic C++ optimization library.
alpar@119
     4
 *
alpar@1092
     5
 * Copyright (C) 2003-2013
alpar@119
     6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
alpar@119
     7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
alpar@119
     8
 *
alpar@119
     9
 * Permission to use, modify and distribute this software is granted
alpar@119
    10
 * provided that this copyright notice appears in all copies. For
alpar@119
    11
 * precise terms see the accompanying LICENSE file.
alpar@119
    12
 *
alpar@119
    13
 * This software is provided "AS IS" with no warranty of any kind,
alpar@119
    14
 * express or implied, and with no claim as to its suitability for any
alpar@119
    15
 * purpose.
alpar@119
    16
 *
alpar@119
    17
 */
alpar@119
    18
alpar@119
    19
#include <lemon/time_measure.h>
alpar@997
    20
#include <lemon/concept_check.h>
alpar@119
    21
alpar@119
    22
using namespace lemon;
alpar@119
    23
alpar@209
    24
void f()
alpar@119
    25
{
alpar@119
    26
  double d=0;
alpar@119
    27
  for(int i=0;i<1000;i++)
alpar@119
    28
    d+=0.1;
alpar@119
    29
}
alpar@119
    30
alpar@209
    31
void g()
alpar@119
    32
{
alpar@119
    33
  static Timer T;
alpar@209
    34
alpar@119
    35
  for(int i=0;i<1000;i++)
alpar@997
    36
    {
alpar@997
    37
      TimeStamp x(T);
alpar@1083
    38
      ::lemon::ignore_unused_variable_warning(x);
alpar@997
    39
    }
alpar@119
    40
}
alpar@119
    41
alpar@119
    42
int main()
alpar@119
    43
{
alpar@119
    44
  Timer T;
alpar@119
    45
  unsigned int n;
kpeter@558
    46
  for(n=0;T.realTime()<0.1;n++) ;
alpar@119
    47
  std::cout << T << " (" << n << " time queries)\n";
kpeter@558
    48
alpar@119
    49
  TimeStamp full;
alpar@119
    50
  TimeStamp t;
kpeter@558
    51
  t=runningTimeTest(f,0.1,&n,&full);
alpar@119
    52
  std::cout << t << " (" << n << " tests)\n";
alpar@119
    53
  std::cout << "Total: " << full << "\n";
alpar@209
    54
kpeter@558
    55
  t=runningTimeTest(g,0.1,&n,&full);
alpar@119
    56
  std::cout << t << " (" << n << " tests)\n";
alpar@119
    57
  std::cout << "Total: " << full << "\n";
alpar@209
    58
alpar@119
    59
  return 0;
alpar@119
    60
}