t-set_str.c
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上传日期:2022-08-06
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- /* Test mpq_set_str.
- Copyright 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"
- void
- check_one (mpq_srcptr want, int base, const char *str)
- {
- mpq_t got;
- MPQ_CHECK_FORMAT (want);
- mp_trace_base = base;
- mpq_init (got);
- if (mpq_set_str (got, str, base) != 0)
- {
- printf ("mpq_set_str unexpectedly failedn");
- printf (" base %dn", base);
- printf (" str "%s"n", str);
- abort ();
- }
- MPQ_CHECK_FORMAT (got);
- if (! mpq_equal (got, want))
- {
- printf ("mpq_set_str wrongn");
- printf (" base %dn", base);
- printf (" str "%s"n", str);
- mpq_trace ("got ", got);
- mpq_trace ("want", want);
- abort ();
- }
- mpq_clear (got);
- }
- void
- check_samples (void)
- {
- mpq_t q;
- mpq_init (q);
- mpq_set_ui (q, 0L, 1L);
- check_one (q, 10, "0");
- check_one (q, 10, "0/1");
- check_one (q, 10, "0 / 1");
- check_one (q, 0, "0x0/ 1");
- check_one (q, 0, "0x0/ 0x1");
- check_one (q, 0, "0 / 0x1");
- check_one (q, 10, "-0");
- check_one (q, 10, "-0/1");
- check_one (q, 10, "-0 / 1");
- check_one (q, 0, "-0x0/ 1");
- check_one (q, 0, "-0x0/ 0x1");
- check_one (q, 0, "-0 / 0x1");
- mpq_set_ui (q, 255L, 256L);
- check_one (q, 10, "255/256");
- check_one (q, 0, "0xFF/0x100");
- check_one (q, 16, "FF/100");
- mpq_neg (q, q);
- check_one (q, 10, "-255/256");
- check_one (q, 0, "-0xFF/0x100");
- check_one (q, 16, "-FF/100");
- mpq_clear (q);
- }
- int
- main (void)
- {
- tests_start ();
- check_samples ();
- tests_end ();
- exit (0);
- }