t-set_ui.c
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上传日期:2022-08-06
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- /* Test mpf_set_ui and mpf_init_set_ui.
- Copyright 2000, 2001, 2003 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_data (void)
- {
- static const struct {
- unsigned long x;
- mp_size_t want_size;
- mp_limb_t want_data[2];
- } data[] = {
- { 0L, 0 },
- { 1L, 1, { 1 } },
- #if GMP_NUMB_BITS >= BITS_PER_ULONG
- { ULONG_MAX, 1, { ULONG_MAX, 0 } },
- { ULONG_HIGHBIT, 1, { ULONG_HIGHBIT, 0 } },
- #else
- { ULONG_MAX, 2, { ULONG_MAX & GMP_NUMB_MASK,
- ULONG_MAX >> GMP_NUMB_BITS } },
- { LONG_HIGHBIT, 2, { 0,
- ULONG_HIGHBIT >> GMP_NUMB_BITS } },
- #endif
- };
- mpf_t x;
- int i;
- for (i = 0; i < numberof (data); i++)
- {
- mpf_init (x);
- mpf_set_ui (x, data[i].x);
- MPF_CHECK_FORMAT (x);
- if (x->_mp_size != data[i].want_size
- || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data,
- ABS (data[i].want_size)) != 0
- || x->_mp_exp != ABS (data[i].want_size))
- {
- printf ("mpf_set_ui wrong on data[%d]n", i);
- abort();
- }
- mpf_clear (x);
- mpf_init_set_ui (x, data[i].x);
- MPF_CHECK_FORMAT (x);
- if (x->_mp_size != data[i].want_size
- || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data,
- ABS (data[i].want_size)) != 0
- || x->_mp_exp != ABS (data[i].want_size))
- {
- printf ("mpf_init_set_ui wrong on data[%d]n", i);
- abort();
- }
- mpf_clear (x);
- }
- }
- int
- main (void)
- {
- tests_start ();
- check_data ();
- tests_end ();
- exit (0);
- }