t-itom.c
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上传日期:2022-08-06
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- /* Test itom.
- 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 "mp.h"
- #include "tests.h"
- #define SGN(x) ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
- void
- check_data (void)
- {
- static const struct {
- short m;
- mp_size_t want_size;
- mp_limb_t want_limb;
- } data[] = {
- { 0L, 0 },
- { 1L, 1, 1 },
- { -1L, -1, 1 },
- { SHRT_MAX, 1, SHRT_MAX },
- { -SHRT_MAX, -1, SHRT_MAX },
- { SHRT_MIN, -1, -SHRT_MIN },
- };
- MINT *m;
- int i;
- for (i = 0; i < numberof (data); i++)
- {
- m = itom (data[i].m);
- if (m->_mp_size != data[i].want_size
- || (m->_mp_size != 0 && m->_mp_d[0] != data[i].want_limb))
- {
- printf ("itom wrong on data[%d]n", i);
- abort();
- }
- mfree (m);
- }
- }
- int
- main (void)
- {
- tests_start ();
- check_data ();
- tests_end ();
- exit (0);
- }