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/*
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);
}
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