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/* This file is part of the gf2x library.
Copyright 2007, 2008, 2009
Richard Brent, Pierrick Gaudry, Emmanuel Thome', Paul Zimmermann
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 this program; see the file COPYING. If not, write to the Free
Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02111-1307, USA.
*/
#define _BSD_SOURCE
#define _POSIX_C_SOURCE 200112L
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "tuning-common.h"
double mulstep = 1;
FILE * rp;
const char * outfile = NULL;
void random_wordstring(unsigned long *a, long n)
{
long i;
for (i = 0; i < n; i++)
a[i] = random();
}
void dump(const unsigned long *a, long m, const unsigned long *b, long n,
const unsigned long *c, const unsigned long *d)
{
printf("failed:=[");
printf("[");
int j;
for (j = 0; j < m; j++) {
if (j)
printf(", ");
printf("%lu", a[j]);
}
printf("],");
printf("[");
for (j = 0; j < n; j++) {
if (j)
printf(", ");
printf("%lu", b[j]);
}
printf("],");
printf("[");
for (j = 0; j < m + n; j++) {
if (j)
printf(", ");
printf("%lu", c[j]);
}
printf("],");
printf("[");
for (j = 0; j < m + n; j++) {
if (j)
printf(", ");
printf("%lu", d[j]);
}
printf("]");
printf("];\n");
}
void check(const unsigned long *a, long m,
const unsigned long *b, long n,
const char * cname, const unsigned long *c,
const char * dname, const unsigned long *d)
{
long i = 0;
for(i = 0 ; i < m + n ; i++) {
if (c[i] != d[i]) {
fprintf(stderr,
"Error: %s and %s differ for %ldx%ld at word %ld\n",
cname, dname, m, n, i);
if (m + n < 1000) {
dump(a, m, b, n, c, d);
}
abort();
}
}
}
void set_tuning_output()
{
if (outfile) {
if ((rp = fopen(outfile, "w")) == NULL) {
fprintf(stderr, "fopen(%s): %s\n", outfile, strerror(errno));
exit(1);
}
} else {
#if 0
/* Not really useful since there is -o anyway */
/* If file descriptor # 3 is open for writing, use it. */
if ((rp = fdopen(3, "w")) == NULL) {
rp = stdout;
}
#else
rp = stdout;
#endif
}
setbuf(rp, NULL);
setbuf(stdout, NULL);
}
int handle_tuning_mulstep(int * p_argc, char *** p_argv)
{
if (strcmp((*p_argv)[0], "--step") == 0 || strcmp((*p_argv)[0], "-s") == 0) {
(*p_argc)--,(*p_argv)++;
if (! (*p_argc)) {
return -1;
}
mulstep = atof((*p_argv)[0]);
return 1;
}
return 0;
}
int handle_tuning_outfile(int * p_argc, char *** p_argv)
{
if (strcmp((*p_argv)[0], "--output") == 0 || strcmp((*p_argv)[0], "-o") == 0) {
(*p_argc)--,(*p_argv)++;
if (! (*p_argc)) {
return -1;
}
outfile = (*p_argv)[0];
return 1;
}
return 0;
}
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