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/*
* Copyright (C) 2000, 2001 Robert Russell <rdr@cs.unh.edu>
*
* This program is free software ; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation ; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the program ; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include "timer.h"
double pr_times( FILE * fp, clock_t real, struct tms * tmsstart,
struct tms * tmsend, int verbose )
{
static long clktck;
double elapsed;
if (clktck == 0)
if((clktck = sysconf(_SC_CLK_TCK)) < 0)
perror("sysconf error");
elapsed = ((double)real)/((double)clktck);
if( verbose )
{
fprintf(fp, "Elapsed: %7.2f, ", elapsed);
fprintf(fp, "user: %7.2f, ", (tmsend->tms_utime - tmsstart->tms_utime) /
(double) clktck);
fprintf(fp, "sys: %7.2f\n", (tmsend->tms_stime - tmsstart->tms_stime) /
(double) clktck);
}
return elapsed;
}
void err_dump( char *s, int n )
{
fprintf(stderr, "%s: %s\n", s, strerror(n));
exit(EXIT_FAILURE);
}
int cnvint( char *text )
{
int n;
char *ptr;
errno = 0;
n = strtol(text, &ptr, 10);
if( errno != 0 )
{/* probably number to convert is outside range */
perror(text);
exit(EXIT_FAILURE);
}
if( strspn(ptr, WHITE_SPACE) != strlen(ptr) )
{/* garbage in the text string that couldn't be converted */
fprintf(stderr, "%s: illegal integer number\n", text);
exit(EXIT_FAILURE);
}
return n;
}
void fpr_times( FILE * fp, int amount, clock_t real)
{
static long clktck;
if (clktck == 0)
if((clktck = sysconf(_SC_CLK_TCK)) < 0)
perror("sysconf error");
fprintf(fp, "%d\t", amount);
fprintf(fp, "%7.2f\n", real / (double) clktck);
}
/* vim: ts=4
*/
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