/* Test mpz_divexact_ui.
Copyright 1996 , 2001 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 <stdio.h>
#include <stdlib.h>
#include "gmp-impl.h"
#include "tests.h"
void
check_random (
int argc,
char *argv[])
{
gmp_randstate_ptr rands = RANDS;
int reps =
500000 ;
mpz_t a, q, got;
int i, qneg;
unsigned long d;
if (argc ==
2 )
reps = atoi (argv[
1 ]);
mpz_init (a);
mpz_init (q);
mpz_init (got);
for (i =
0 ; i < reps; i++)
{
do
d = (
unsigned long ) urandom();
while (d ==
0 );
mpz_erandomb (q, rands,
512 );
mpz_mul_ui (a, q, d);
for (qneg =
0 ; qneg <=
1 ; qneg++)
{
mpz_divexact_ui (got, a, d);
MPZ_CHECK_FORMAT (got);
if (mpz_cmp (got, q) !=
0 )
{
printf (
"mpz_divexact_ui wrong\n" );
mpz_trace (
" a" , a);
printf (
" d=%lu\n" , d);
mpz_trace (
" q" , q);
mpz_trace (
" got" , got);
abort ();
}
mpz_neg (q, q);
mpz_neg (a, a);
}
}
mpz_clear (a);
mpz_clear (q);
mpz_clear (got);
}
int
main (
int argc,
char **argv)
{
tests_start ();
check_random (argc, argv);
tests_end ();
exit (
0 );
}
Messung V0.5 in Prozent C=99 H=58 G=80
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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