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/* Exercise mpz_mfac_uiui.
Copyright 2000-2002, 2012 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"
/* Usage: t-mfac_uiui [x|num]
With no arguments testing goes up to the initial value of "limit" below.
With a number argument tests are carried that far, or with a literal "x"
tests are continued without limit (this being meant only for development
purposes). */
#define MULTIFAC_WHEEL (2*3*11)
#define MULTIFAC_WHEEL2 (5*13)
int
main (int argc, char *argv[])
{
mpz_t ref[MULTIFAC_WHEEL], ref2[MULTIFAC_WHEEL2], res;
unsigned long n, j, m, m2;
unsigned long limit = 2222, step = 1;
tests_start ();
if (argc > 1 && argv[1][0] == 'x')
limit = ULONG_MAX;
else
TESTS_REPS (limit, argv, argc);
/* for small limb testing */
limit = MIN (limit, MP_LIMB_T_MAX);
for (m = 0; m < MULTIFAC_WHEEL; m++)
mpz_init_set_ui(ref [m],1);
for (m2 = 0; m2 < MULTIFAC_WHEEL2; m2++)
mpz_init_set_ui(ref2 [m2],1);
mpz_init (res);
m = 0;
m2 = 0;
for (n = 0; n <= limit;)
{
mpz_mfac_uiui (res, n, MULTIFAC_WHEEL);
MPZ_CHECK_FORMAT (res);
if (mpz_cmp (ref[m], res) != 0)
{
printf ("mpz_mfac_uiui(%lu,%d) wrong\n", n, MULTIFAC_WHEEL);
printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
printf (" want "); mpz_out_str (stdout, 10, ref[m]); printf("\n");
abort ();
}
mpz_mfac_uiui (res, n, MULTIFAC_WHEEL2);
MPZ_CHECK_FORMAT (res);
if (mpz_cmp (ref2[m2], res) != 0)
{
printf ("mpz_mfac_uiui(%lu,%d) wrong\n", n, MULTIFAC_WHEEL2);
printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
printf (" want "); mpz_out_str (stdout, 10, ref2[m2]); printf("\n");
abort ();
}
if (n + step <= limit)
for (j = 0; j < step; j++) {
n++; m++; m2++;
if (m >= MULTIFAC_WHEEL) m -= MULTIFAC_WHEEL;
if (m2 >= MULTIFAC_WHEEL2) m2 -= MULTIFAC_WHEEL2;
mpz_mul_ui (ref[m], ref[m], n); /* Compute a reference, with current library */
mpz_mul_ui (ref2[m2], ref2[m2], n); /* Compute a reference, with current library */
}
else n += step;
}
mpz_fac_ui (ref[0], n);
mpz_mfac_uiui (res, n, 1);
MPZ_CHECK_FORMAT (res);
if (mpz_cmp (ref[0], res) != 0)
{
printf ("mpz_mfac_uiui(%lu,1) wrong\n", n);
printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
printf (" want "); mpz_out_str (stdout, 10, ref[0]); printf("\n");
abort ();
}
mpz_2fac_ui (ref[0], n);
mpz_mfac_uiui (res, n, 2);
MPZ_CHECK_FORMAT (res);
if (mpz_cmp (ref[0], res) != 0)
{
printf ("mpz_mfac_uiui(%lu,1) wrong\n", n);
printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
printf (" want "); mpz_out_str (stdout, 10, ref[0]); printf("\n");
abort ();
}
n++;
mpz_2fac_ui (ref[0], n);
mpz_mfac_uiui (res, n, 2);
MPZ_CHECK_FORMAT (res);
if (mpz_cmp (ref[0], res) != 0)
{
printf ("mpz_mfac_uiui(%lu,2) wrong\n", n);
printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
printf (" want "); mpz_out_str (stdout, 10, ref[0]); printf("\n");
abort ();
}
for (m = 0; m < MULTIFAC_WHEEL; m++)
mpz_clear (ref[m]);
for (m2 = 0; m2 < MULTIFAC_WHEEL2; m2++)
mpz_clear (ref2[m2]);
mpz_clear (res);
tests_end ();
exit (0);
}
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