72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
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/*=============================================================================
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This file is part of FLINT.
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FLINT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FLINT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FLINT; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2009 William Hart
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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 "flint.h"
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#include "ulong_extras.h"
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int main(void)
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{
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int i, result;
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FLINT_TEST_INIT(state);
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flint_printf("gcd....");
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fflush(stdout);
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for (i = 0; i < 10000 * flint_test_multiplier(); i++)
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{
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mp_limb_t a, b, c, bits1, bits2, bits3;
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bits1 = n_randint(state, FLINT_BITS-1) + 1;
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bits2 = n_randint(state, bits1) + 1;
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bits3 = n_randint(state, FLINT_BITS - bits1) + 1;
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do
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{
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a = n_randtest_bits(state, bits1);
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b = n_randtest_bits(state, bits2);
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} while ((n_gcd(a, b) != UWORD(1)) || (b > a));
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c = n_randtest_bits(state, bits3);
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result = (n_gcd(a*c, b*c) == c);
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if (!result)
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{
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flint_printf("FAIL:\n");
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flint_printf("a = %wu, b = %wu, c = %wu\n", a, b, c);
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abort();
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}
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}
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FLINT_TEST_CLEANUP(state);
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flint_printf("PASS\n");
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return 0;
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}
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