t-set_f.c
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上传日期:2022-08-06
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- /* Test mpq_set_f.
- Copyright 2000, 2001 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser 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 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 Lesser General Public
- License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
- #include <stdio.h>
- #include <stdlib.h>
- #include "gmp.h"
- #include "gmp-impl.h"
- #include "tests.h"
- int
- main (int argc, char **argv)
- {
- #if GMP_NAIL_BITS == 0
- static const struct {
- int f_base;
- const char *f;
- int z_base;
- const char *want_num;
- const char *want_den;
- } data[] = {
- { -2, "0", 16, "0", "1" },
- { -2, "1", 16, "1", "1" },
- { -2, "1@1", 16, "2", "1" },
- { -2, "1@2", 16, "4", "1" },
- { -2, "1@3", 16, "8", "1" },
- { -2, "1@30", 16, "40000000", "1" },
- { -2, "1@31", 16, "80000000", "1" },
- { -2, "1@32", 16, "100000000", "1" },
- { -2, "1@33", 16, "200000000", "1" },
- { -2, "1@34", 16, "400000000", "1" },
- { -2, "1@62", 16, "4000000000000000", "1" },
- { -2, "1@63", 16, "8000000000000000", "1" },
- { -2, "1@64", 16, "10000000000000000", "1" },
- { -2, "1@65", 16, "20000000000000000", "1" },
- { -2, "1@66", 16, "40000000000000000", "1" },
- { -2, "1@126", 16, "40000000000000000000000000000000", "1" },
- { -2, "1@127", 16, "80000000000000000000000000000000", "1" },
- { -2, "1@128", 16, "100000000000000000000000000000000", "1" },
- { -2, "1@129", 16, "200000000000000000000000000000000", "1" },
- { -2, "1@130", 16, "400000000000000000000000000000000", "1" },
- { -2, "1@-1", 16, "1", "2" },
- { -2, "1@-2", 16, "1", "4" },
- { -2, "1@-3", 16, "1", "8" },
- { -2, "1@-30", 16, "1", "40000000" },
- { -2, "1@-31", 16, "1", "80000000" },
- { -2, "1@-32", 16, "1", "100000000" },
- { -2, "1@-33", 16, "1", "200000000" },
- { -2, "1@-34", 16, "1", "400000000" },
- { -2, "1@-62", 16, "1", "4000000000000000" },
- { -2, "1@-63", 16, "1", "8000000000000000" },
- { -2, "1@-64", 16, "1", "10000000000000000" },
- { -2, "1@-65", 16, "1", "20000000000000000" },
- { -2, "1@-66", 16, "1", "40000000000000000" },
- { -2, "1@-126", 16, "1", "40000000000000000000000000000000" },
- { -2, "1@-127", 16, "1", "80000000000000000000000000000000" },
- { -2, "1@-128", 16, "1", "100000000000000000000000000000000" },
- { -2, "1@-129", 16, "1", "200000000000000000000000000000000" },
- { -2, "1@-130", 16, "1", "400000000000000000000000000000000" },
- { -2, "1@-30", 16, "1", "40000000" },
- { -2, "1@-31", 16, "1", "80000000" },
- { -2, "1@-32", 16, "1", "100000000" },
- { -2, "1@-33", 16, "1", "200000000" },
- { -2, "1@-34", 16, "1", "400000000" },
- { -2, "11@-62", 16, "3", "4000000000000000" },
- { -2, "11@-63", 16, "3", "8000000000000000" },
- { -2, "11@-64", 16, "3", "10000000000000000" },
- { -2, "11@-65", 16, "3", "20000000000000000" },
- { -2, "11@-66", 16, "3", "40000000000000000" },
- { 16, "80000000.00000001", 16, "8000000000000001", "100000000" },
- { 16, "80000000.00000008", 16, "1000000000000001", "20000000" },
- { 16, "80000000.8", 16, "100000001", "2" },
- };
- mpf_t f;
- mpq_t got;
- mpz_t want_num, want_den;
- int i, neg;
- tests_start ();
- mpf_init2 (f, 1024L);
- mpq_init (got);
- mpz_init (want_num);
- mpz_init (want_den);
- for (i = 0; i < numberof (data); i++)
- {
- for (neg = 0; neg <= 1; neg++)
- {
- mpf_set_str_or_abort (f, data[i].f, data[i].f_base);
- mpz_set_str_or_abort (want_num, data[i].want_num, data[i].z_base);
- mpz_set_str_or_abort (want_den, data[i].want_den, data[i].z_base);
- if (neg)
- {
- mpf_neg (f, f);
- mpz_neg (want_num, want_num);
- }
- mpq_set_f (got, f);
- MPQ_CHECK_FORMAT (got);
- if (mpz_cmp (mpq_numref(got), want_num) != 0
- || mpz_cmp (mpq_denref(got), want_den) != 0)
- {
- printf ("wrong at data[%d]n", i);
- printf (" f_base %d, z_base %dn",
- data[i].f_base, data[i].z_base);
- printf (" f "%s" hex ", data[i].f);
- mpf_out_str (stdout, 16, 0, f);
- printf ("n");
- printf (" want num 0x");
- mpz_out_str (stdout, 16, want_num);
- printf ("n");
- printf (" want den 0x");
- mpz_out_str (stdout, 16, want_den);
- printf ("n");
- printf (" got num 0x");
- mpz_out_str (stdout, 16, mpq_numref(got));
- printf ("n");
- printf (" got den 0x");
- mpz_out_str (stdout, 16, mpq_denref(got));
- printf ("n");
- abort ();
- }
- }
- }
- mpf_clear (f);
- mpq_clear (got);
- mpz_clear (want_num);
- mpz_clear (want_den);
- tests_end ();
- #endif
- exit (0);
- }