00001 /*********************************************************************** 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright 2008-2009 Marius Muja (mariusm@cs.ubc.ca). All rights reserved. 00005 * Copyright 2008-2009 David G. Lowe (lowe@cs.ubc.ca). All rights reserved. 00006 * 00007 * THE BSD LICENSE 00008 * 00009 * Redistribution and use in source and binary forms, with or without 00010 * modification, are permitted provided that the following conditions 00011 * are met: 00012 * 00013 * 1. Redistributions of source code must retain the above copyright 00014 * notice, this list of conditions and the following disclaimer. 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in the 00017 * documentation and/or other materials provided with the distribution. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00020 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00021 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 00022 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 00023 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 00024 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00025 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00026 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 00028 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 *************************************************************************/ 00030 00031 #ifndef _OPENCV_TIMER_H_ 00032 #define _OPENCV_TIMER_H_ 00033 00034 #include <time.h> 00035 00036 00037 namespace cvflann 00038 { 00039 00045 class CV_EXPORTS StartStopTimer 00046 { 00047 clock_t startTime; 00048 00049 public: 00053 double value; 00054 00055 00059 StartStopTimer() 00060 { 00061 reset(); 00062 } 00063 00067 void start() { 00068 startTime = clock(); 00069 } 00070 00074 void stop() { 00075 clock_t stopTime = clock(); 00076 value += ( (double)stopTime - startTime) / CLOCKS_PER_SEC; 00077 } 00078 00082 void reset() { 00083 value = 0; 00084 } 00085 00086 }; 00087 00088 }// namespace cvflann 00089 00090 #endif // _OPENCV_TIMER_H_