timer.h

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#pragma once

#include <sys/time.h>
#include <iostream>
#include <ostream>
#include <cassert>

#define MICRO_IN_SEC 1000000

using std::cout;
using std::endl;

class Timer
{
  public  :
    Timer();

    Timer(double swTime);

    double now();

    void setTimer(double swTime);

    void start();
    
    void stop();

    double elapsed(); 

    bool timeUp(); 

  private: 
    double toSeconds(timeval t);

    double start_;

    double swTime_;

    double elapsed_;
};

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