diff options
Diffstat (limited to 'gmp-6.3.0/tests/mpz/t-mfac_uiui.c')
| -rw-r--r-- | gmp-6.3.0/tests/mpz/t-mfac_uiui.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/gmp-6.3.0/tests/mpz/t-mfac_uiui.c b/gmp-6.3.0/tests/mpz/t-mfac_uiui.c new file mode 100644 index 0000000..8bca2d7 --- /dev/null +++ b/gmp-6.3.0/tests/mpz/t-mfac_uiui.c @@ -0,0 +1,135 @@ +/* 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); +} |