/*
Copyright 2012 , 2014 , 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 <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "testutils.h"
#define MAXBITS
400
#define COUNT
10000
#define GMP_LIMB_BITS (
sizeof (mp_limb_t) * CHAR_BIT)
#define MAXLIMBS ((MAXBITS + GMP_LIMB_BITS -
1 ) / GMP_LIMB_BITS)
void
testmain (
int argc,
char **argv)
{
unsigned i;
mpz_t a, b, res, ref;
mpz_init (a);
mpz_init (b);
mpz_init_set_ui (res,
5 );
mpz_init (ref);
for (i =
0 ; i < COUNT; i++)
{
mini_random_op3 (OP_MUL, MAXBITS, a, b, ref);
if (i &
1 ) {
mpz_add (ref, ref, res);
if (mpz_fits_ulong_p (b))
mpz_addmul_ui (res, a, mpz_get_ui (b));
else
mpz_addmul (res, a, b);
}
else {
mpz_sub (ref, res, ref);
if (mpz_fits_ulong_p (b))
mpz_submul_ui (res, a, mpz_get_ui (b));
else
mpz_submul (res, a, b);
}
if (mpz_cmp (res, ref))
{
if (i &
1 )
fprintf (stderr,
"mpz_addmul failed:\n" );
else
fprintf (stderr,
"mpz_submul failed:\n" );
dump (
"a" , a);
dump (
"b" , b);
dump (
"r" , res);
dump (
"ref" , ref);
abort ();
}
}
mpz_clear (a);
mpz_clear (b);
mpz_clear (res);
mpz_clear (ref);
}
Messung V0.5 in Prozent C=95 H=91 G=92
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland