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/* Test mpz_fits_*_p */
/*
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 "gmp-impl.h"
#include "tests.h"
/* Nothing sophisticated here, just exercise mpz_fits_*_p on a small amount
of data. */
#define EXPECT_S(fun,name,answer) \
got = fun (z); \
if (got != answer) \
{ \
printf ("%s (%s) got %d want %d\n", name, expr, got, answer); \
printf (" z size %d\n", SIZ(z)); \
printf (" z dec "); mpz_out_str (stdout, 10, z); printf ("\n"); \
printf (" z hex "); mpz_out_str (stdout, 16, z); printf ("\n"); \
error = 1; \
}
#define EXPECT(fun,answer) EXPECT_S(fun,#fun,answer)
int
main (void)
{
mpz_t z;
int got;
const char *expr;
int error = 0;
tests_start ();
mpz_init (z);
mpz_set_ui (z, 0L);
expr = "0";
EXPECT (mpz_fits_ulong_p, 1);
EXPECT (mpz_fits_uint_p, 1);
EXPECT (mpz_fits_ushort_p, 1);
EXPECT (mpz_fits_slong_p, 1);
EXPECT (mpz_fits_sint_p, 1);
EXPECT (mpz_fits_sshort_p, 1);
mpz_set_ui (z, 1L);
expr = "1";
EXPECT (mpz_fits_ulong_p, 1);
EXPECT (mpz_fits_uint_p, 1);
EXPECT (mpz_fits_ushort_p, 1);
EXPECT (mpz_fits_slong_p, 1);
EXPECT (mpz_fits_sint_p, 1);
EXPECT (mpz_fits_sshort_p, 1);
mpz_set_si (z, -1L);
expr = "-1";
EXPECT (mpz_fits_ulong_p, 0);
EXPECT (mpz_fits_uint_p, 0);
EXPECT (mpz_fits_ushort_p, 0);
EXPECT (mpz_fits_slong_p, 1);
EXPECT (mpz_fits_sint_p, 1);
EXPECT (mpz_fits_sshort_p, 1);
mpz_set_ui (z, 1L);
mpz_mul_2exp (z, z, 5L*GMP_LIMB_BITS);
expr = "2^(5*BPML)";
EXPECT (mpz_fits_ulong_p, 0);
EXPECT (mpz_fits_uint_p, 0);
EXPECT (mpz_fits_ushort_p, 0);
EXPECT (mpz_fits_slong_p, 0);
EXPECT (mpz_fits_sint_p, 0);
EXPECT (mpz_fits_sshort_p, 0);
mpz_set_ui (z, (unsigned long) USHRT_MAX);
expr = "USHRT_MAX";
EXPECT (mpz_fits_ulong_p, 1);
EXPECT (mpz_fits_uint_p, 1);
EXPECT (mpz_fits_ushort_p, 1);
mpz_set_ui (z, (unsigned long) USHRT_MAX);
mpz_add_ui (z, z, 1L);
expr = "USHRT_MAX + 1";
EXPECT (mpz_fits_ushort_p, 0);
mpz_set_ui (z, (unsigned long) UINT_MAX);
expr = "UINT_MAX";
EXPECT (mpz_fits_ulong_p, 1);
EXPECT (mpz_fits_uint_p, 1);
mpz_set_ui (z, (unsigned long) UINT_MAX);
mpz_add_ui (z, z, 1L);
expr = "UINT_MAX + 1";
EXPECT (mpz_fits_uint_p, 0);
mpz_set_ui (z, ULONG_MAX);
expr = "ULONG_MAX";
EXPECT (mpz_fits_ulong_p, 1);
mpz_set_ui (z, ULONG_MAX);
mpz_add_ui (z, z, 1L);
expr = "ULONG_MAX + 1";
EXPECT (mpz_fits_ulong_p, 0);
mpz_set_si (z, (long) SHRT_MAX);
expr = "SHRT_MAX";
EXPECT (mpz_fits_slong_p, 1);
EXPECT (mpz_fits_sint_p, 1);
EXPECT (mpz_fits_sshort_p, 1);
mpz_set_si (z, (long) SHRT_MAX);
mpz_add_ui (z, z, 1L);
expr = "SHRT_MAX + 1";
EXPECT (mpz_fits_sshort_p, 0);
mpz_set_si (z, (long) INT_MAX);
expr = "INT_MAX";
EXPECT (mpz_fits_slong_p, 1);
EXPECT (mpz_fits_sint_p, 1);
mpz_set_si (z, (long) INT_MAX);
mpz_add_ui (z, z, 1L);
expr = "INT_MAX + 1";
EXPECT (mpz_fits_sint_p, 0);
mpz_set_si (z, LONG_MAX);
expr = "LONG_MAX";
EXPECT (mpz_fits_slong_p, 1);
mpz_set_si (z, LONG_MAX);
mpz_add_ui (z, z, 1L);
expr = "LONG_MAX + 1";
EXPECT (mpz_fits_slong_p, 0);
mpz_set_si (z, (long) SHRT_MIN);
expr = "SHRT_MIN";
EXPECT (mpz_fits_slong_p, 1);
EXPECT (mpz_fits_sint_p, 1);
EXPECT (mpz_fits_sshort_p, 1);
mpz_set_si (z, (long) SHRT_MIN);
mpz_sub_ui (z, z, 1L);
expr = "SHRT_MIN + 1";
EXPECT (mpz_fits_sshort_p, 0);
mpz_set_si (z, (long) INT_MIN);
expr = "INT_MIN";
EXPECT (mpz_fits_slong_p, 1);
EXPECT (mpz_fits_sint_p, 1);
mpz_set_si (z, (long) INT_MIN);
mpz_sub_ui (z, z, 1L);
expr = "INT_MIN + 1";
EXPECT (mpz_fits_sint_p, 0);
mpz_set_si (z, LONG_MIN);
expr = "LONG_MIN";
EXPECT (mpz_fits_slong_p, 1);
mpz_set_si (z, LONG_MIN);
mpz_sub_ui (z, z, 1L);
expr = "LONG_MIN + 1";
EXPECT (mpz_fits_slong_p, 0);
if (error)
abort ();
mpz_clear (z);
tests_end ();
exit (0);
}
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