1a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat/* 2a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * Copyright (C)2011 D. R. Commander. All Rights Reserved. 3a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * 4a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * Redistribution and use in source and binary forms, with or without 5a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * modification, are permitted provided that the following conditions are met: 6a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * 7a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * - Redistributions of source code must retain the above copyright notice, 8a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * this list of conditions and the following disclaimer. 9a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * - Redistributions in binary form must reproduce the above copyright notice, 10a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * this list of conditions and the following disclaimer in the documentation 11a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * and/or other materials provided with the distribution. 12a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * - Neither the name of the libjpeg-turbo Project nor the names of its 13a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * contributors may be used to endorse or promote products derived from this 14a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * software without specific prior written permission. 15a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * 16a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", 17a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 20a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat * POSSIBILITY OF SUCH DAMAGE. 27a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat */ 28a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 29a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat#ifdef _WIN32 30a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 31a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat#include <windows.h> 32a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 33a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehatstatic double getfreq(void) 34a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat{ 35a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat LARGE_INTEGER freq; 36a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat if(!QueryPerformanceFrequency(&freq)) return 0.0; 37a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat return (double)freq.QuadPart; 38a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat} 39a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 40a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehatstatic double f=-1.0; 41a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 42a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehatdouble gettime(void) 43a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat{ 44a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat LARGE_INTEGER t; 45a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat if(f<0.0) f=getfreq(); 46a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat if(f==0.0) return (double)GetTickCount()/1000.; 47a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat else 48a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat { 49a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat QueryPerformanceCounter(&t); 50a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat return (double)t.QuadPart/f; 51a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat } 52a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat} 53a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 54a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat#else 55a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 56a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat#include <stdlib.h> 57a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat#include <sys/time.h> 58a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 59a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehatdouble gettime(void) 60a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat{ 61a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat struct timeval tv; 62a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat if(gettimeofday(&tv, NULL)<0) return 0.0; 63a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat else return (double)tv.tv_sec+((double)tv.tv_usec/1000000.); 64a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat} 65a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat 66a430b2b5ca4f0967836f5820e8f03adc17fc0a24San Mehat#endif 67