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/* Test mpf_cmp_si and mpf_cmp_z.
Copyright 2000, 2001, 2004, 2015 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 "gmp-impl.h"
#include "tests.h"
#define SGN(x) ((x) < 0 ? -1 : (x) == 0 ? 0 : 1)
void
check_data (void)
{
static const struct {
int a_base;
const char *a;
const char *b;
int want;
} data[] = {
{ 10, "0", "1", -1 },
{ 10, "0", "0", 0 },
{ 10, "0", "-1", 1 },
{ 10, "1", "1", 0 },
{ 10, "1", "0", 1 },
{ 10, "1", "-1", 1 },
{ 10, "-1", "1", -1 },
{ 10, "-1", "0", -1 },
{ 10, "-1", "-1", 0 },
{ 10, "1.5", "2", -1 },
{ 10, "1.5", "1", 1 },
{ 10, "0.5", "1", -1 },
{ 10, "-1.5", "-2", 1 },
{ 10, "-1.5", "-1", -1 },
{ 10, "-0.5", "-1", 1 },
{ 16, "0", "-0x80000000", 1 },
{ 16, "80000000", "-0x80000000", 1 },
{ 16, "80000001", "-0x80000000", 1 },
{ 16, "-80000000", "-0x80000000", 0 },
{ 16, "-80000001", "-0x80000000", -1 },
{ 16, "-FF0080000001", "-0x80000000", -1 },
{ 16, "0", "-0x8000000000000000", 1 },
{ 16, "8000000000000000", "-0x8000000000000000", 1 },
{ 16, "8000000000000001", "-0x8000000000000000", 1 },
{ 16, "-8000000000000000", "-0x8000000000000000", 0 },
{ 16, "-8000000000000000.1", "-0x8000000000000000", -1 },
{ 16, "-FF008000000000000001", "-0x8000000000000000", -1 },
{ 16, "0", "-0x876543210FEDCBA9876543210000000", 1 },
{ 16, "876543210FEDCBA9876543210000000", "-0x876543210FEDCBA9876543210000000", 1 },
{ 16, "876543210FEDCBA9876543210000001", "-0x876543210FEDCBA9876543210000000", 1 },
{ 16, "-876543210FEDCBA9876543210000000", "-0x876543210FEDCBA9876543210000000", 0 },
{ 16, "-876543210FEDCBA9876543210000000.1", "-0x876543210FEDCBA9876543210000000", -1 },
{ 16, "-FF00876543210FEDCBA9876543210000000", "-0x876543210FEDCBA9876543210000000", -1 },
};
mpf_t a;
mpz_t bz;
long b;
int got;
int i;
mpf_init2 (a, 128);
mpz_init (bz);
for (i = 0; i < numberof (data); i++)
{
mpf_set_str_or_abort (a, data[i].a, data[i].a_base);
mpz_set_str_or_abort (bz, data[i].b, 0);
if (mpz_fits_slong_p (bz))
{
b = mpz_get_si (bz);
got = mpf_cmp_si (a, b);
if (SGN (got) != data[i].want)
{
printf ("mpf_cmp_si wrong on data[%d]\n", i);
printf (" a="); mpf_out_str (stdout, 10, 0, a);
printf (" (%s)\n", data[i].a);
printf (" b=%ld (%s)\n", b, data[i].b);
printf (" got=%d\n", got);
printf (" want=%d\n", data[i].want);
abort();
}
}
got = mpf_cmp_z (a, bz);
if (SGN (got) != data[i].want)
{
b = mpz_get_si (bz);
printf ("mpf_cmp_z wrong on data[%d]\n", i);
printf (" a="); mpf_out_str (stdout, 10, 0, a);
printf (" (%s)\n", data[i].a);
printf (" b=%ld (%s)\n", b, data[i].b);
printf (" got=%d\n", got);
printf (" want=%d\n", data[i].want);
abort();
}
}
mpf_clear (a);
mpz_clear (bz);
}
int
main (void)
{
tests_start ();
check_data ();
tests_end ();
exit (0);
}
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