118 lines
3.5 KiB
C
118 lines
3.5 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) 2012 Lina Kulakova
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Copyright (C) 2013 Mike Hansen
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******************************************************************************/
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#ifdef T
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#include "templates.h"
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#include <stdlib.h>
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#include "ulong_extras.h"
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int
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main(void)
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{
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int iter;
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FLINT_TEST_INIT(state);
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flint_printf("factor_equal_deg_prob....");
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fflush(stdout);
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for (iter = 0; iter < 5 * flint_test_multiplier(); iter++)
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{
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TEMPLATE(T, ctx_t) ctx;
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TEMPLATE(T, poly_t) poly1, poly2, q, r;
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slong length;
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int i, num;
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TEMPLATE(T, ctx_randtest) (ctx, state);
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TEMPLATE(T, poly_init) (q, ctx);
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TEMPLATE(T, poly_init) (r, ctx);
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TEMPLATE(T, poly_init) (poly1, ctx);
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TEMPLATE(T, poly_init) (poly2, ctx);
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length = n_randint(state, 10) + 2;
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do
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{
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TEMPLATE(T, poly_randtest) (poly1, state, length, ctx);
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if (poly1->length)
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TEMPLATE(T, poly_make_monic) (poly1, poly1, ctx);
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}
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while ((poly1->length != length)
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|| (!TEMPLATE(T, poly_is_irreducible) (poly1, ctx)));
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num = n_randint(state, 5) + 1;
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for (i = 0; i < num; i++)
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{
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do
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{
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TEMPLATE(T, poly_randtest) (poly2, state, length, ctx);
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if (poly2->length)
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TEMPLATE(T, poly_make_monic) (poly2, poly2, ctx);
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}
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while ((poly2->length != length)
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|| (!TEMPLATE(T, poly_is_irreducible) (poly2, ctx)));
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TEMPLATE(T, poly_mul) (poly1, poly1, poly2, ctx);
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}
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while (!TEMPLATE(T, poly_factor_equal_deg_prob)
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(poly2, state, poly1, length - 1, ctx))
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{
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};
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TEMPLATE(T, poly_divrem) (q, r, poly1, poly2, ctx);
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if (!TEMPLATE(T, poly_is_zero) (r, ctx))
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{
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flint_printf("FAIL:\n");
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flint_printf
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("Error: factor does not divide original polynomial\n");
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flint_printf("factor:\n");
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TEMPLATE(T, poly_print) (poly2, ctx);
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flint_printf("\n\n");
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flint_printf("polynomial:\n");
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TEMPLATE(T, poly_print) (poly1, ctx);
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flint_printf("\n\n");
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abort();
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}
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TEMPLATE(T, poly_clear) (q, ctx);
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TEMPLATE(T, poly_clear) (r, ctx);
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TEMPLATE(T, poly_clear) (poly1, ctx);
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TEMPLATE(T, poly_clear) (poly2, ctx);
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TEMPLATE(T, ctx_clear) (ctx);
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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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#endif
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