/*
 * Core AR
 * common.c
 *
 * Copyright (c) Yuichi YOSHIDA, 10/12/10.
 * All rights reserved.
 * 
 * BSD License
 *
 * Redistribution and use in source and binary forms, with or without modification, are 
 * permitted provided that the following conditions are met:
 * - Redistributions of source code must retain the above copyright notice, this list of
 *  conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice, this list
 *  of conditions and the following disclaimer in the documentation and/or other materia
 * ls provided with the distribution.
 * - Neither the name of the "Yuichi Yoshida" nor the names of its contributors may be u
 * sed to endorse or promote products derived from this software without specific prior 
 * written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY E
 * XPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES O
 * F MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SH
 * ALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENT
 * AL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROC
 * UREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS I
 * NTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRI
 * CT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF T
 * HE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "common.h"

#include <stdlib.h>
#include <stdio.h>
#include <sys/time.h>

static struct timeval start, end;

void tic(void);
void toc(void);

void tic() {
	gettimeofday(&start, NULL);
}

void toc() {
	gettimeofday(&end, NULL);
	long int e_sec = end.tv_sec * 1000000 + end.tv_usec;
	long int s_sec = start.tv_sec * 1000000 + start.tv_usec;
	printf( "%9.4lf[ms]\n", (double)(e_sec - s_sec) / 1000.0);
}
