88 lines
2.4 KiB
C
88 lines
2.4 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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Copyright (C) 2010 Sebastian Pancratz
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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 "fmpz.h"
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#include "fmpz_poly.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 i, result;
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FLINT_TEST_INIT(state);
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flint_printf("evaluate_mod....");
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fflush(stdout);
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/* Compare with evaluation over the integers */
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for (i = 0; i < 1000 * flint_test_multiplier(); i++)
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{
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fmpz_t b, s;
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fmpz_poly_t f;
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mp_limb_t a, n, r;
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fmpz_poly_init(f);
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fmpz_poly_randtest(f, state, n_randint(state, 10), 20);
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n = n_randtest_not_zero(state);
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a = n_randint(state, n);
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fmpz_init(b);
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fmpz_init(s);
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fmpz_set_ui(b, a);
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r = fmpz_poly_evaluate_mod(f, a, n);
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fmpz_poly_evaluate_fmpz(s, f, b);
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result = (r == fmpz_mod_ui(s, s, n));
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if (!result)
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{
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flint_printf("FAIL:\n");
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fmpz_poly_print(f), flint_printf("\n\n");
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gmp_printf("a = %Mu\n\n", a);
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gmp_printf("n = %Mu\n\n", n);
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gmp_printf("r = %Mu\n\n", r);
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flint_printf("s = "), fmpz_print(s), flint_printf("\n\n");
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abort();
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}
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fmpz_poly_clear(f);
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fmpz_clear(b);
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fmpz_clear(s);
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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 EXIT_SUCCESS;
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}
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