69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
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/* Test popc_limb.
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Copyright 2002 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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int
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main (void)
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{
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mp_limb_t src, want, got;
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int i;
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tests_start ();
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mp_trace_base = -16;
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for (i = 0; i < GMP_LIMB_BITS; i++)
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{
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src = CNST_LIMB(1) << i;
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want = 1;
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popc_limb (got, src);
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if (got != want)
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{
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error:
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printf ("popc_limb wrong result\n");
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mpn_trace (" src ", &src, (mp_size_t) 1);
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mpn_trace (" want", &want, (mp_size_t) 1);
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mpn_trace (" got ", &got, (mp_size_t) 1);
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abort ();
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}
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}
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for (i = 0; i < 100; i++)
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{
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mpn_random2 (&src, (mp_size_t) 1);
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want = ref_popc_limb (src);
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popc_limb (got, src);
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if (got != want)
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goto error;
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}
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tests_end ();
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exit (0);
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}
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