t-int_p.c
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上传日期:2022-08-06
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- /* Test mpf_integer_p.
- 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
- one (mpf_srcptr f, int want)
- {
- int got;
- got = mpf_integer_p (f);
- if (got != want)
- {
- printf ("mpf_integer_p got %d want %dn", got, want);
- mpf_trace (" f", f);
- abort ();
- }
- }
- void
- all (mpf_ptr f, int want)
- {
- one (f, want);
- mpf_neg (f, f);
- one (f, want);
- }
- int
- main (void)
- {
- mpf_t f;
- tests_start ();
- mpf_init2 (f, 200L);
- mpf_set_ui (f, 0L);
- one (f, 1);
- mpf_set_ui (f, 1L);
- all (f, 1);
- mpf_set_ui (f, 1L);
- mpf_div_2exp (f, f, 1L);
- all (f, 0);
- mpf_set_ui (f, 1L);
- mpf_div_2exp (f, f, 5000L);
- all (f, 0);
- mpf_set_ui (f, 1L);
- mpf_mul_2exp (f, f, 5000L);
- all (f, 1);
- mpf_set_str (f, "0.5", 10);
- all (f, 0);
- mpf_set_ui (f, 1L);
- mpf_div_ui (f, f, 3L);
- all (f, 0);
- mpf_clear (f);
- tests_end ();
- exit (0);
- }