test_tools.c

/*****************************************************************************
 *
 * MODULE:       Grass raster3d Library
 * AUTHOR(S):    Soeren Gebbert, Braunschweig (GER) Jun 2011
 *                     soerengebbert <at> googlemail <dot> com
 *
 * PURPOSE:      Unit and Integration tests
 *
 * COPYRIGHT:    (C) 2000 by the GRASS Development Team
 *
 *               This program is free software under the GNU General Public
 *               License (>=v2). Read the file COPYING that comes with GRASS
 *               for details.
 *
 *****************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "test_raster3d_lib.h"

/* *************************************************************** */
/* Compute the difference between two time steps ***************** */

/* *************************************************************** */
double compute_time_difference(struct timeval start, struct timeval end)
{
    int sec;
    int usec;

    sec = end.tv_sec - start.tv_sec;
    usec = end.tv_usec - start.tv_usec;

    return (double)sec + (double)usec / 1000000;
}