146 lines
3.6 KiB
C
146 lines
3.6 KiB
C
/* Test mpq_get_str.
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Copyright 2001 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "tests.h"
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void
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check_one (mpq_srcptr q, int base, const char *want)
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{
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char *str, *ret;
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size_t str_alloc;
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MPQ_CHECK_FORMAT (q);
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mp_trace_base = base;
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str_alloc =
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mpz_sizeinbase (mpq_numref(q), ABS(base)) +
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mpz_sizeinbase (mpq_denref(q), ABS(base)) + 3;
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str = mpq_get_str (NULL, base, q);
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if (strlen(str)+1 > str_alloc)
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{
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printf ("mpq_get_str size bigger than should be (passing NULL)\n");
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printf (" base %d\n", base);
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printf (" got size %u \"%s\"\n", strlen(str)+1, str);
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printf (" want size %u\n", str_alloc);
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abort ();
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}
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if (strcmp (str, want) != 0)
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{
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printf ("mpq_get_str wrong (passing NULL)\n");
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printf (" base %d\n", base);
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printf (" got \"%s\"\n", str);
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printf (" want \"%s\"\n", want);
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mpq_trace (" q", q);
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abort ();
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}
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(*__gmp_free_func) (str, strlen (str) + 1);
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str = (char *) (*__gmp_allocate_func) (str_alloc);
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ret = mpq_get_str (str, base, q);
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if (str != ret)
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{
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printf ("mpq_get_str wrong return value (passing non-NULL)\n");
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printf (" base %d\n", base);
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printf (" got 0x%lX\n", (unsigned long) ret);
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printf (" want 0x%lX\n", (unsigned long) want);
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abort ();
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}
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if (strcmp (str, want) != 0)
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{
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printf ("mpq_get_str wrong (passing non-NULL)\n");
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printf (" base %d\n", base);
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printf (" got \"%s\"\n", str);
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printf (" want \"%s\"\n", want);
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abort ();
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}
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(*__gmp_free_func) (str, str_alloc);
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}
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void
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check_all (mpq_srcptr q, int base, const char *want)
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{
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char *s;
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check_one (q, base, want);
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s = __gmp_allocate_strdup (want);
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strtoupper (s);
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check_one (q, -base, s);
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(*__gmp_free_func) (s, strlen(s)+1);
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}
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void
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check_data (void)
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{
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static const struct {
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int base;
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const char *num;
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const char *den;
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const char *want;
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} data[] = {
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{ 10, "0", "1", "0" },
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{ 10, "1", "1", "1" },
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{ 16, "ffffffff", "1", "ffffffff" },
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{ 16, "ffffffffffffffff", "1", "ffffffffffffffff" },
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{ 16, "1", "ffffffff", "1/ffffffff" },
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{ 16, "1", "ffffffffffffffff", "1/ffffffffffffffff" },
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{ 16, "1", "10000000000000003", "1/10000000000000003" },
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{ 10, "12345678901234567890", "9876543210987654323",
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"12345678901234567890/9876543210987654323" },
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};
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mpq_t q;
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int i;
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mpq_init (q);
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for (i = 0; i < numberof (data); i++)
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{
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mpz_set_str_or_abort (mpq_numref(q), data[i].num, data[i].base);
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mpz_set_str_or_abort (mpq_denref(q), data[i].den, data[i].base);
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check_all (q, data[i].base, data[i].want);
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}
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mpq_clear (q);
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}
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int
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main (void)
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{
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tests_start ();
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check_data ();
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tests_end ();
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exit (0);
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}
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