ftp.nice.ch/pub/next/developer/resources/libraries/Image-Test.0.1.s.tar.gz#/Image_Test/LapTimer.m

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/*  
** Copyright (c) 1995 Friday Software & Consulting, Inc.  All Rights Reserved.
**
** Author: <bbum@friday.com>
*/

/*  This object is included in the MiscKit by permission from the author
**  and its use is governed by the MiscKit license, found in the file
**  "LICENSE.rtf" in the MiscKit distribution.  Please refer to that file
**  for a list of all applicable permissions and restrictions.
*/

#import <sys/time.h>
#import <objc/Object.h>

#import "LapTimer.h"

@implementation LapTimer
- (void)start
{
	gettimeofday(&startTime, &tzp);
}

- (void)lap;
{
	gettimeofday(&lapTime, &tzp);
}

- (void)stop;
{
	gettimeofday(&endTime, &tzp);
}

- (unsigned long) lapMicroseconds
{
	unsigned long secondsDiff = lapTime.tv_sec - startTime.tv_sec;
	unsigned long usecDiff = lapTime.tv_usec - startTime.tv_usec;

	return (secondsDiff * 1000000) + usecDiff;
}

- (unsigned long) totalMicroseconds
{
	unsigned long secondsDiff = endTime.tv_sec - startTime.tv_sec;
	unsigned long usecDiff = endTime.tv_usec - startTime.tv_usec;

	return (secondsDiff * 1000000) + usecDiff;
}

- (double) lapSeconds
{
	unsigned long usecdiff = [self lapMicroseconds];

	return ((double)usecdiff) / 1000000.;
}

- (double) totalSeconds
{
	unsigned long usecdiff = [self totalMicroseconds];

	return ((double)usecdiff) / 1000000.;
}
@end

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