95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/***********************************************************************
|
|
* Software License Agreement (BSD License)
|
|
*
|
|
* 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.
|
|
*
|
|
* THE BSD LICENSE
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*************************************************************************/
|
|
|
|
#ifndef OPENCV_FLANN_TIMER_H
|
|
#define OPENCV_FLANN_TIMER_H
|
|
|
|
#include <time.h>
|
|
#include "opencv2/core.hpp"
|
|
#include "opencv2/core/utility.hpp"
|
|
|
|
namespace cvflann
|
|
{
|
|
|
|
/**
|
|
* A start-stop timer class.
|
|
*
|
|
* Can be used to time portions of code.
|
|
*/
|
|
class StartStopTimer
|
|
{
|
|
int64 startTime;
|
|
|
|
public:
|
|
/**
|
|
* Value of the timer.
|
|
*/
|
|
double value;
|
|
|
|
|
|
/**
|
|
* Constructor.
|
|
*/
|
|
StartStopTimer()
|
|
{
|
|
reset();
|
|
}
|
|
|
|
/**
|
|
* Starts the timer.
|
|
*/
|
|
void start()
|
|
{
|
|
startTime = cv::getTickCount();
|
|
}
|
|
|
|
/**
|
|
* Stops the timer and updates timer value.
|
|
*/
|
|
void stop()
|
|
{
|
|
int64 stopTime = cv::getTickCount();
|
|
value += ( (double)stopTime - startTime) / cv::getTickFrequency();
|
|
}
|
|
|
|
/**
|
|
* Resets the timer value to 0.
|
|
*/
|
|
void reset()
|
|
{
|
|
value = 0;
|
|
}
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif // FLANN_TIMER_H
|