2008-06-25 03:33:36 -04:00
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/* Test mpz_fits_*_p */
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/*
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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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*/
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#include <stdio.h>
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#include <stdlib.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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/* Nothing sophisticated here, just exercise mpz_fits_*_p on a small amount
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of data. */
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#define EXPECT_S(fun,name,answer) \
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got = fun (z); \
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if (got != answer) \
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{ \
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printf ("%s (%s) got %d want %d\n", name, expr, got, answer); \
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printf (" z size %d\n", SIZ(z)); \
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printf (" z dec "); mpz_out_str (stdout, 10, z); printf ("\n"); \
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printf (" z hex "); mpz_out_str (stdout, 16, z); printf ("\n"); \
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error = 1; \
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}
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#if HAVE_STRINGIZE
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#define EXPECT(fun,answer) EXPECT_S(fun,#fun,answer)
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#else
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#define EXPECT(fun,answer) EXPECT_S(fun,"fun",answer)
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#endif
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int
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main (void)
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{
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mpz_t z;
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int got;
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const char *expr;
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int error = 0;
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tests_start ();
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mpz_init (z);
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mpz_set_ui (z, 0L);
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expr = "0";
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EXPECT (mpz_fits_ulong_p, 1);
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EXPECT (mpz_fits_uint_p, 1);
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EXPECT (mpz_fits_ushort_p, 1);
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EXPECT (mpz_fits_slong_p, 1);
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EXPECT (mpz_fits_sint_p, 1);
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EXPECT (mpz_fits_sshort_p, 1);
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mpz_set_ui (z, 1L);
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expr = "1";
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EXPECT (mpz_fits_ulong_p, 1);
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EXPECT (mpz_fits_uint_p, 1);
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EXPECT (mpz_fits_ushort_p, 1);
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EXPECT (mpz_fits_slong_p, 1);
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EXPECT (mpz_fits_sint_p, 1);
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EXPECT (mpz_fits_sshort_p, 1);
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mpz_set_si (z, -1L);
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expr = "-1";
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EXPECT (mpz_fits_ulong_p, 0);
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EXPECT (mpz_fits_uint_p, 0);
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EXPECT (mpz_fits_ushort_p, 0);
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EXPECT (mpz_fits_slong_p, 1);
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EXPECT (mpz_fits_sint_p, 1);
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EXPECT (mpz_fits_sshort_p, 1);
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mpz_set_ui (z, 1L);
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mpz_mul_2exp (z, z, 5L*BITS_PER_MP_LIMB);
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expr = "2^(5*BPML)";
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EXPECT (mpz_fits_ulong_p, 0);
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EXPECT (mpz_fits_uint_p, 0);
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EXPECT (mpz_fits_ushort_p, 0);
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EXPECT (mpz_fits_slong_p, 0);
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EXPECT (mpz_fits_sint_p, 0);
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EXPECT (mpz_fits_sshort_p, 0);
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mpz_set_ui (z, (unsigned long) USHRT_MAX);
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expr = "USHRT_MAX";
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EXPECT (mpz_fits_ulong_p, 1);
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EXPECT (mpz_fits_uint_p, 1);
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EXPECT (mpz_fits_ushort_p, 1);
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mpz_set_ui (z, (unsigned long) USHRT_MAX);
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mpz_add_ui (z, z, 1L);
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expr = "USHRT_MAX + 1";
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EXPECT (mpz_fits_ushort_p, 0);
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mpz_set_ui (z, (unsigned long) UINT_MAX);
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expr = "UINT_MAX";
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EXPECT (mpz_fits_ulong_p, 1);
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EXPECT (mpz_fits_uint_p, 1);
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mpz_set_ui (z, (unsigned long) UINT_MAX);
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mpz_add_ui (z, z, 1L);
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expr = "UINT_MAX + 1";
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EXPECT (mpz_fits_uint_p, 0);
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mpz_set_ui (z, ULONG_MAX);
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expr = "ULONG_MAX";
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EXPECT (mpz_fits_ulong_p, 1);
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mpz_set_ui (z, ULONG_MAX);
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mpz_add_ui (z, z, 1L);
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expr = "ULONG_MAX + 1";
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EXPECT (mpz_fits_ulong_p, 0);
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mpz_set_si (z, (long) SHRT_MAX);
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expr = "SHRT_MAX";
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EXPECT (mpz_fits_slong_p, 1);
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EXPECT (mpz_fits_sint_p, 1);
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EXPECT (mpz_fits_sshort_p, 1);
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mpz_set_si (z, (long) SHRT_MAX);
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mpz_add_ui (z, z, 1L);
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expr = "SHRT_MAX + 1";
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EXPECT (mpz_fits_sshort_p, 0);
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mpz_set_si (z, (long) INT_MAX);
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expr = "INT_MAX";
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EXPECT (mpz_fits_slong_p, 1);
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EXPECT (mpz_fits_sint_p, 1);
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mpz_set_si (z, (long) INT_MAX);
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mpz_add_ui (z, z, 1L);
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expr = "INT_MAX + 1";
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EXPECT (mpz_fits_sint_p, 0);
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mpz_set_si (z, LONG_MAX);
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expr = "LONG_MAX";
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EXPECT (mpz_fits_slong_p, 1);
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mpz_set_si (z, LONG_MAX);
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mpz_add_ui (z, z, 1L);
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expr = "LONG_MAX + 1";
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EXPECT (mpz_fits_slong_p, 0);
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mpz_set_si (z, (long) SHRT_MIN);
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expr = "SHRT_MIN";
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EXPECT (mpz_fits_slong_p, 1);
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EXPECT (mpz_fits_sint_p, 1);
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EXPECT (mpz_fits_sshort_p, 1);
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mpz_set_si (z, (long) SHRT_MIN);
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mpz_sub_ui (z, z, 1L);
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expr = "SHRT_MIN + 1";
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EXPECT (mpz_fits_sshort_p, 0);
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mpz_set_si (z, (long) INT_MIN);
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expr = "INT_MIN";
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EXPECT (mpz_fits_slong_p, 1);
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EXPECT (mpz_fits_sint_p, 1);
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mpz_set_si (z, (long) INT_MIN);
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mpz_sub_ui (z, z, 1L);
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expr = "INT_MIN + 1";
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EXPECT (mpz_fits_sint_p, 0);
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mpz_set_si (z, LONG_MIN);
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expr = "LONG_MIN";
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EXPECT (mpz_fits_slong_p, 1);
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mpz_set_si (z, LONG_MIN);
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mpz_sub_ui (z, z, 1L);
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expr = "LONG_MIN + 1";
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EXPECT (mpz_fits_slong_p, 0);
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if (error)
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abort ();
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mpz_clear (z);
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tests_end ();
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exit (0);
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}
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