/* Test conversion and I/O using mpz_out_str and mpz_inp_str.
Copyright 1993 , 1994 , 1996 , 2000 , 2001 , 2012 , 2020 Free Software
Foundation , Inc .
This file is part of the GNU MP Library test suite .
The GNU MP Library test suite 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 3 of the License ,
or ( at your option ) any later version .
The GNU MP Library test suite 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 GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#if HAVE_UNISTD_H
#include <unistd.h>
/* for unlink */
#endif
#include "gmp-impl.h"
#include "tests.h"
#define FILENAME
"io.tmp"
void
debug_mp (mpz_t x,
int base)
{
mpz_out_str (stdout, base, x); fputc (
'\n' , stdout);
}
int
main (
int argc,
char **argv)
{
mpz_t op1, op2;
mp_size_t size;
int i;
int reps =
10000 ;
FILE *fp;
int base, base_out;
gmp_randstate_ptr rands;
mpz_t bs;
unsigned long bsi, size_range;
size_t nread;
tests_start ();
rands = RANDS;
mpz_init (bs);
if (argc ==
2 )
reps = atoi (argv[
1 ]);
mpz_init (op1);
mpz_init (op2);
fp = fopen (FILENAME,
"w+" );
if (mpz_out_str (fp,
63 , op1) !=
0 )
{
printf (
"mpz_out_str did not return 0 (error) with base > 62\n" );
abort ();
}
if (mpz_out_str (fp, -
37 , op1) !=
0 )
{
printf (
"mpz_out_str did not return 0 (error) with base < -37\n" );
abort ();
}
for (i =
0 ; i < reps; i++)
{
mpz_urandomb (bs, rands,
32 );
size_range = mpz_get_ui (bs) %
10 +
2 ;
mpz_urandomb (bs, rands, size_range);
size = mpz_get_ui (bs);
mpz_rrandomb (op1, rands, size);
mpz_urandomb (bs, rands,
1 );
bsi = mpz_get_ui (bs);
if ((bsi &
1 ) !=
0 )
mpz_neg (op1, op1);
mpz_urandomb (bs, rands,
16 );
bsi = mpz_get_ui (bs);
base = bsi %
62 +
1 ;
if (base ==
1 )
base =
0 ;
if (i %
2 ==
0 && base <=
36 )
base_out = -base;
else
base_out = base;
rewind (fp);
if (mpz_out_str (fp, base_out, op1) ==
0
|| putc (
' ' , fp) == EOF
|| fflush (fp) !=
0 )
{
printf (
"mpz_out_str write error\n" );
abort ();
}
rewind (fp);
nread = mpz_inp_str (op2, fp, base);
if (nread ==
0 )
{
if (ferror (fp))
printf (
"mpz_inp_str stream read error\n" );
else
printf (
"mpz_inp_str data conversion error\n" );
abort ();
}
if (nread != ftell(fp))
{
printf (
"mpz_inp_str nread doesn't match ftell\n" );
printf (
" nread %lu\n" , (
unsigned long ) nread);
printf (
" ftell %ld\n" , ftell(fp));
abort ();
}
if (mpz_cmp (op1, op2))
{
printf (
"ERROR\n" );
printf (
"op1 = " ); debug_mp (op1, -
16 );
printf (
"op2 = " ); debug_mp (op2, -
16 );
printf (
"base = %d\n" , base);
abort ();
}
}
fclose (fp);
unlink (FILENAME);
mpz_clear (bs);
mpz_clear (op1);
mpz_clear (op2);
tests_end ();
exit (
0 );
}
Messung V0.5 in Prozent C=92 H=98 G=94
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
*© Formatika GbR, Deutschland