aa9bc17601
BMakefiles and other bits will follow. Requested by: Andrey Chernov Made world by: Chuck Robey
88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
/* Test mpz_mul, mpz_divexact.
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Copyright (C) 1996 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 Library General Public License as published by
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the Free Software Foundation; either version 2 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 Library General Public
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License for more details.
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You should have received a copy of the GNU Library 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., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA. */
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#include <stdio.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "urandom.h"
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void debug_mp ();
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#ifndef SIZE
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#define SIZE 32
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#endif
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main (argc, argv)
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int argc;
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char **argv;
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{
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mpz_t op1, op2;
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mpz_t prod, quot;
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mp_size_t size;
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int i;
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int reps = 100000;
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if (argc == 2)
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reps = atoi (argv[1]);
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mpz_init (op1);
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mpz_init (op2);
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mpz_init (prod);
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mpz_init (quot);
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for (i = 0; i < reps; i++)
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{
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size = urandom () % SIZE - SIZE/2;
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mpz_random2 (op1, size);
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do
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{
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size = urandom () % SIZE - SIZE/2;
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mpz_random2 (op2, size);
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}
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while (mpz_cmp_ui (op2, 0) == 0);
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mpz_mul (prod, op1, op2);
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mpz_divexact (quot, prod, op2);
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if (mpz_cmp (quot, op1) != 0)
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dump_abort (quot, op1);
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}
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exit (0);
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}
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dump_abort (op1, op2)
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mpz_t op1, op2;
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{
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fprintf (stderr, "ERROR\n");
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fprintf (stderr, "ref = "); debug_mp (op1, -16);
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fprintf (stderr, "wrong = "); debug_mp (op2, -16);
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abort();
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}
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void
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debug_mp (x, base)
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mpz_t x;
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{
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mpz_out_str (stderr, base, x); fputc ('\n', stderr);
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}
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