46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* Test LIMB_HIGHBIT_TO_MASK.
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Copyright 2004 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 "gmp.h"
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#include "gmp-impl.h"
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#include "tests.h"
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/* There's very little to these tests, but it's nice to have them since if
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something has gone wrong with the arithmetic right shift business in
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LIMB_HIGHBIT_TO_MASK then the only symptom is likely to be failures in
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udiv_qrnnd_preinv, which would not be easy to diagnose. */
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int
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main (void)
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{
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ASSERT_ALWAYS (LIMB_HIGHBIT_TO_MASK (0) == 0);
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ASSERT_ALWAYS (LIMB_HIGHBIT_TO_MASK (GMP_LIMB_HIGHBIT) == MP_LIMB_T_MAX);
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ASSERT_ALWAYS (LIMB_HIGHBIT_TO_MASK (MP_LIMB_T_MAX) == MP_LIMB_T_MAX);
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ASSERT_ALWAYS (LIMB_HIGHBIT_TO_MASK (GMP_LIMB_HIGHBIT >> 1) == 0);
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ASSERT_ALWAYS (LIMB_HIGHBIT_TO_MASK (MP_LIMB_T_MAX >> 1) == 0);
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exit (0);
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}
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