Subversion Repositories gelsvn

Rev

Rev 39 | Rev 448 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 39 Rev 102
1 
#ifndef __OSTIMER_H__
 1 
#ifndef __OSTIMER_H__
2 
#define __OSTIMER_H__
 2 
#define __OSTIMER_H__
3 
 
 3 
 
4 
// Created by bdl 5. april 2002
 4 
// Created by bdl 5. april 2002
5 
// The purpose of this file is to make a timer function that is as
5 
// The purpose of this file is to make a timer function that is as
6 
// precise as posible on any given platform
 6 
// precise as posible on any given platform
- 
 
 7 
#if (_MSC_VER >= 1200)
- 
 
 8 
#pragma warning (disable: 4244)
7 
 
 9 
#endif
8 
#ifdef WIN32
 10 
#ifdef WIN32
9 
#include <windows.h>
 11 
#include <windows.h>
10 
static LARGE_INTEGER	largeInteger;
 12 
static LARGE_INTEGER	largeInteger;
11 
#else
 13 
#else
12 
#include <sys/time.h>
 14 
#include <sys/time.h>
13 
#endif
 15 
#endif
14 
 
 16 
 
15 
namespace Util{
 17 
namespace Util{
16 
	class Timer {
 18 
	class Timer {
17 
#ifdef WIN32
 19 
#ifdef WIN32
18 
		double freq;
 20 
		double freq;
19 
		double start_count;
 21 
		double start_count;
20 
#else
 22 
#else
21 
		timeval start_time;
 23 
		timeval start_time;
22 
#endif
 24 
#endif
23 
	public:
 25 
	public:
24 
		void start() {
 26 
		void start() {
25 
#ifdef WIN32
 27 
#ifdef WIN32
26 
			QueryPerformanceFrequency(&largeInteger);
 28 
			QueryPerformanceFrequency(&largeInteger);
27 
			freq = largeInteger.QuadPart;
 29 
			freq = largeInteger.QuadPart;
28 
			QueryPerformanceCounter(&largeInteger);
 30 
			QueryPerformanceCounter(&largeInteger);
29 
			start_count = largeInteger.QuadPart;
 31 
			start_count = largeInteger.QuadPart;
30 
#else
 32 
#else
31 
			gettimeofday(&start_time,0);
 33 
			gettimeofday(&start_time,0);
32 
#endif
 34 
#endif
33 
		}
 35 
		}
34 
 
 36 
 
35 
		float get_secs() {
 37 
		float get_secs() {
36 
#ifdef WIN32
 38 
#ifdef WIN32
37 
			QueryPerformanceCounter(&largeInteger);
 39 
			QueryPerformanceCounter(&largeInteger);
38 
			double now_count = largeInteger.QuadPart;
 40 
			double now_count = largeInteger.QuadPart;
39 
			return (float)(now_count-start_count)/freq;
 41 
			return (float)((now_count-start_count)/freq);
40 
#else
 42 
#else
41 
			timeval now;
 43 
			timeval now;
42 
			gettimeofday(&now,0);
 44 
			gettimeofday(&now,0);
43 
			return (now.tv_sec-start_time.tv_sec) +
45 
			return (now.tv_sec-start_time.tv_sec) +
44 
				(now.tv_usec-start_time.tv_usec)/1.0e6;
 46 
				(now.tv_usec-start_time.tv_usec)/1.0e6;
45 
#endif
 47 
#endif
46 
		}
 48 
		}
47 
	};
 49 
	};
48 
}
 50 
}
49 
 
 51 
 
50 
#endif
 52 
#endif
51 
 
 53