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90 lines
2.3 KiB
90 lines
2.3 KiB
/*********************************************************************** |
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* Software License Agreement (BSD License) |
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* |
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* Copyright 2008-2009 Marius Muja (mariusm@cs.ubc.ca). All rights reserved. |
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* Copyright 2008-2009 David G. Lowe (lowe@cs.ubc.ca). All rights reserved. |
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* |
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* THE BSD LICENSE |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*************************************************************************/ |
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#ifndef TIMER_H |
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#define TIMER_H |
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#include <time.h> |
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namespace cvflann |
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{ |
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/** |
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* A start-stop timer class. |
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* |
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* Can be used to time portions of code. |
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*/ |
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class StartStopTimer |
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{ |
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clock_t startTime; |
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public: |
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/** |
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* Value of the timer. |
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*/ |
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double value; |
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/** |
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* Constructor. |
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*/ |
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StartStopTimer() |
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{ |
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reset(); |
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} |
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/** |
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* Starts the timer. |
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*/ |
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void start() { |
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startTime = clock(); |
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} |
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/** |
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* Stops the timer and updates timer value. |
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*/ |
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void stop() { |
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clock_t stopTime = clock(); |
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value += ( (double)stopTime - startTime) / CLOCKS_PER_SEC; |
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} |
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/** |
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* Resets the timer value to 0. |
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*/ |
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void reset() { |
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value = 0; |
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} |
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}; |
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} |
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#endif // TIMER_H
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