timerhep.c

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/*                      T I M E R H E P . C
 * BRL-CAD
 *
 * Copyright (c) 2004-2006 United States Government as represented by
 * the U.S. Army Research Laboratory.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this file; see the file named COPYING for more
 * information.
 */

/** @addtogroup timer */

/*@{*/

/** @file timerhep.c
 * To provide timing information for RT.
 *      THIS VERSION FOR Denelcor HEP/UPX (System III-like)
 */

#ifndef lint
static const char RCShep[] = "@(#)$Header: /cvsroot/brlcad/brlcad/src/librt/timerhep.c,v 14.9 2006/09/16 02:04:26 lbutler Exp $ (BRL)";
#endif

#include <stdio.h>

/* Standard System V stuff */
extern long time(time_t *);
static long time0;


/*
 *                      P R E P _ T I M E R
 */
void
rt_prep_timer(void)
{
        (void)time(&time0);
        (void)intime_();
}


/*
 *                      R E A D _ T I M E R
 *
 */
double
rt_read_timer(char *str, int len)
{
        long now;
        double usert;
        long htime[6];
        char line[132];

        (void)stats_(htime);
        (void)time(&now);
        usert = ((double)htime[0]) / 10000000.0;
        if( usert < 0.00001 )  usert = 0.00001;
        sprintf(line,"%f secs: %ld wave, %ld fp, %ld dmem, %ld other",
                usert,
                htime[0], htime[1], htime[2], htime[3], htime[4] );
        (void)strncpy( str, line, len );
        return( usert );
}

/*@}*/
/*
 * Local Variables:
 * mode: C
 * tab-width: 8
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 * ex: shiftwidth=4 tabstop=8
 */

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