137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
/* Exercise mpz_mfac_uiui.
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Copyright 2000, 2001, 2002, 2012 Free Software Foundation, Inc.
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This file is part of the GNU MP Library test suite.
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The GNU MP Library test suite is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the License,
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or (at your option) any later version.
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The GNU MP Library test suite is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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Public License for more details.
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You should have received a copy of the GNU General Public License along with
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the GNU MP Library test suite. If not, see http://www.gnu.org/licenses/. */
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#include <stdio.h>
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#include <stdlib.h>
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#include "mpir.h"
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#include "gmp-impl.h"
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#include "tests.h"
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/* Usage: t-mfac_uiui [x|num]
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With no arguments testing goes up to the initial value of "limit" below.
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With a number argument tests are carried that far, or with a literal "x"
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tests are continued without limit (this being meant only for development
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purposes). */
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#define MULTIFAC_WHEEL (2*3*11)
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#define MULTIFAC_WHEEL2 (5*13)
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int
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main (int argc, char *argv[])
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{
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mpz_t ref[MULTIFAC_WHEEL], ref2[MULTIFAC_WHEEL2], res;
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unsigned long n, j, m, m2;
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unsigned long limit = 2222, step = 1;
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tests_start ();
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if (argc > 1 && argv[1][0] == 'x')
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limit = ULONG_MAX;
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else if (argc > 1)
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limit = atoi (argv[1]);
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/* for small limb testing */
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limit = MIN (limit, MP_LIMB_T_MAX);
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for (m = 0; m < MULTIFAC_WHEEL; m++)
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mpz_init_set_ui(ref [m],1);
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for (m2 = 0; m2 < MULTIFAC_WHEEL2; m2++)
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mpz_init_set_ui(ref2 [m2],1);
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mpz_init (res);
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m = 0;
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m2 = 0;
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for (n = 0; n <= limit;)
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{
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mpz_mfac_uiui (res, n, MULTIFAC_WHEEL);
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MPZ_CHECK_FORMAT (res);
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if (mpz_cmp (ref[m], res) != 0)
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{
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printf ("mpz_mfac_uiui(%lu,%d) wrong\n", n, MULTIFAC_WHEEL);
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printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
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printf (" want "); mpz_out_str (stdout, 10, ref[m]); printf("\n");
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abort ();
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}
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mpz_mfac_uiui (res, n, MULTIFAC_WHEEL2);
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MPZ_CHECK_FORMAT (res);
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if (mpz_cmp (ref2[m2], res) != 0)
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{
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printf ("mpz_mfac_uiui(%lu,%d) wrong\n", n, MULTIFAC_WHEEL2);
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printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
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printf (" want "); mpz_out_str (stdout, 10, ref2[m2]); printf("\n");
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abort ();
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}
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if (n + step <= limit)
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for (j = 0; j < step; j++) {
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n++; m++; m2++;
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if (m >= MULTIFAC_WHEEL) m -= MULTIFAC_WHEEL;
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if (m2 >= MULTIFAC_WHEEL2) m2 -= MULTIFAC_WHEEL2;
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mpz_mul_ui (ref[m], ref[m], n); /* Compute a reference, with current library */
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mpz_mul_ui (ref2[m2], ref2[m2], n); /* Compute a reference, with current library */
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}
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else n += step;
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}
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mpz_fac_ui (ref[0], n);
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mpz_mfac_uiui (res, n, 1);
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MPZ_CHECK_FORMAT (res);
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if (mpz_cmp (ref[0], res) != 0)
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{
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printf ("mpz_mfac_uiui(%lu,1) wrong\n", n);
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printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
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printf (" want "); mpz_out_str (stdout, 10, ref[0]); printf("\n");
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abort ();
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}
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mpz_2fac_ui (ref[0], n);
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mpz_mfac_uiui (res, n, 2);
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MPZ_CHECK_FORMAT (res);
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if (mpz_cmp (ref[0], res) != 0)
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{
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printf ("mpz_mfac_uiui(%lu,1) wrong\n", n);
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printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
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printf (" want "); mpz_out_str (stdout, 10, ref[0]); printf("\n");
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abort ();
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}
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n++;
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mpz_2fac_ui (ref[0], n);
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mpz_mfac_uiui (res, n, 2);
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MPZ_CHECK_FORMAT (res);
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if (mpz_cmp (ref[0], res) != 0)
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{
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printf ("mpz_mfac_uiui(%lu,2) wrong\n", n);
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printf (" got "); mpz_out_str (stdout, 10, res); printf("\n");
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printf (" want "); mpz_out_str (stdout, 10, ref[0]); printf("\n");
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abort ();
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}
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for (m = 0; m < MULTIFAC_WHEEL; m++)
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mpz_clear (ref[m]);
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for (m2 = 0; m2 < MULTIFAC_WHEEL2; m2++)
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mpz_clear (ref2[m2]);
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mpz_clear (res);
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tests_end ();
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exit (0);
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}
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