testClock.cpp

#include <cstdio>
#include <cmath>
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/base/Clock.h"

using namespace DGtal;
using namespace std;

bool test_minimalTick()
{
  double tick;
  Clock c;

  trace.info() << c <<std::endl;

  c.startClock();
  tick = c.stopClock();
  trace.info() << "Minimal tick: "<< tick <<endl;
  return (tick >= 0);
}

bool test_loopTick()
{
  double tick,tmp=0;

  Clock c;
  c.startClock();
  for (unsigned int i=0 ; i< 4334450; i++)
    tmp = cos(tmp+i);

  tick = c.stopClock();
  trace.info()<< "Loop tick: "<< tick <<endl;
  return (tick >= 0);
}

bool test_MultipleLoop()
{
  double tick1,tick2,tick3,tmp=0;

  Clock c,c2,c3;

  c3.startClock();
  c.startClock();
  for (unsigned int i=0 ; i< 4334450; i++)
    tmp = cos(tmp+i);

  c2.startClock();
  for (unsigned int i=0 ; i< 4334450; i++)
    tmp = cos(tmp+i);

  tick2 = c2.stopClock();

  for (unsigned int i=0 ; i< 4334450; i++)
    tmp = cos(tmp+i);

  tick1 = c.stopClock();
  tick3=c3.stopClock();
   
  trace.info()<< "Loop tick1: "<< tick1
              <<" Loop tick2: "<< tick2 
              << " total: "<< tick3 <<endl;
  return ((tick3 >= tick1) && (tick1 >= 0));
}


int main()
{
  if (test_minimalTick() && test_loopTick() && test_MultipleLoop())
    return 0;
  else
    return 1;

}