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/* Test mpq_get_str.
Copyright 2001 Free Software Foundation, Inc.
This file is part of the GNU MP Library test suite.
The GNU MP Library test suite is free software; you can redistribute it
and/or modify it under the terms of the GNU 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 test suite 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 General
Public License for more details.
You should have received a copy of the GNU General Public License along with
the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gmp-impl.h"
#include "tests.h"
void
check_one (mpq_srcptr q, int base, const char *want)
{
char *str, *ret;
size_t str_alloc;
MPQ_CHECK_FORMAT (q);
mp_trace_base = base;
str_alloc =
mpz_sizeinbase (mpq_numref(q), ABS(base)) +
mpz_sizeinbase (mpq_denref(q), ABS(base)) + 3;
str = mpq_get_str (NULL, base, q);
if (strlen(str)+1 > str_alloc)
{
printf ("mpq_get_str size bigger than should be (passing NULL)\n");
printf (" base %d\n", base);
printf (" got size %lu \"%s\"\n", (unsigned long) strlen(str)+1, str);
printf (" want size %lu\n", (unsigned long) str_alloc);
abort ();
}
if (strcmp (str, want) != 0)
{
printf ("mpq_get_str wrong (passing NULL)\n");
printf (" base %d\n", base);
printf (" got \"%s\"\n", str);
printf (" want \"%s\"\n", want);
mpq_trace (" q", q);
abort ();
}
(*__gmp_free_func) (str, strlen (str) + 1);
str = (char *) (*__gmp_allocate_func) (str_alloc);
ret = mpq_get_str (str, base, q);
if (str != ret)
{
printf ("mpq_get_str wrong return value (passing non-NULL)\n");
printf (" base %d\n", base);
printf (" got %p\n", (void *) ret);
printf (" want %p\n", (void *) str);
abort ();
}
if (strcmp (str, want) != 0)
{
printf ("mpq_get_str wrong (passing non-NULL)\n");
printf (" base %d\n", base);
printf (" got \"%s\"\n", str);
printf (" want \"%s\"\n", want);
abort ();
}
(*__gmp_free_func) (str, str_alloc);
}
void
check_all (mpq_srcptr q, int base, const char *want)
{
char *s;
check_one (q, base, want);
s = __gmp_allocate_strdup (want);
strtoupper (s);
check_one (q, -base, s);
(*__gmp_free_func) (s, strlen(s)+1);
}
void
check_data (void)
{
static const struct {
int base;
const char *num;
const char *den;
const char *want;
} data[] = {
{ 10, "0", "1", "0" },
{ 10, "1", "1", "1" },
{ 16, "ffffffff", "1", "ffffffff" },
{ 16, "ffffffffffffffff", "1", "ffffffffffffffff" },
{ 16, "1", "ffffffff", "1/ffffffff" },
{ 16, "1", "ffffffffffffffff", "1/ffffffffffffffff" },
{ 16, "1", "10000000000000003", "1/10000000000000003" },
{ 10, "12345678901234567890", "9876543210987654323",
"12345678901234567890/9876543210987654323" },
};
mpq_t q;
int i;
mpq_init (q);
for (i = 0; i < numberof (data); i++)
{
mpz_set_str_or_abort (mpq_numref(q), data[i].num, data[i].base);
mpz_set_str_or_abort (mpq_denref(q), data[i].den, data[i].base);
check_all (q, data[i].base, data[i].want);
}
mpq_clear (q);
}
int
main (void)
{
tests_start ();
check_data ();
tests_end ();
exit (0);
}
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