timer.h

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 * Copyright 2008-2009  Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
 * Copyright 2008-2009  David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
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#ifndef OPENCV_FLANN_TIMER_H
#define OPENCV_FLANN_TIMER_H
 
 
#include <time.h>
#include "opencv2/core.hpp"
#include "opencv2/core/utility.hpp"
 
namespace cvflann
{
 
class StartStopTimer
{
    int64 startTime;
 
public:
    double value;
 
 
    StartStopTimer()
        : startTime(0)
    {
        reset();
    }
 
    void start()
    {
        startTime = cv::getTickCount();
    }
 
    void stop()
    {
        int64 stopTime = cv::getTickCount();
        value += ( (double)stopTime - startTime) / cv::getTickFrequency();
    }
 
    void reset()
    {
        value = 0;
    }
 
};
 
}
 
 
#endif // FLANN_TIMER_H