94 lines
2.9 KiB
C
94 lines
2.9 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) 2011 Fredrik Johansson
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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 "nmod_vec.h"
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#include "nmod_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 iter;
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FLINT_TEST_INIT(state);
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flint_printf("inflate....");
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fflush(stdout);
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for (iter = 0; iter < 100 * flint_test_multiplier(); iter++)
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{
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nmod_poly_t poly1, poly2, poly3, xp;
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mp_limb_t modulus;
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ulong inflation;
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modulus = n_randtest_prime(state, 0);
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nmod_poly_init(poly1, modulus);
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nmod_poly_init(poly2, modulus);
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nmod_poly_init(poly3, modulus);
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nmod_poly_init(xp, modulus);
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nmod_poly_randtest(poly1, state, n_randint(state, 20));
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inflation = n_randint(state, 10);
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nmod_poly_inflate(poly2, poly1, inflation);
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nmod_poly_set_coeff_ui(xp, inflation, 1);
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nmod_poly_compose(poly3, poly1, xp);
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if (!nmod_poly_equal(poly2, poly3))
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{
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flint_printf("FAIL: not equal to compose (inflation = %wu)\n", inflation);
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flint_printf("poly1:\n"); nmod_poly_print(poly1); flint_printf("\n\n");
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flint_printf("poly2:\n"); nmod_poly_print(poly2); flint_printf("\n\n");
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flint_printf("poly3:\n"); nmod_poly_print(poly3); flint_printf("\n\n");
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abort();
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}
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nmod_poly_inflate(poly1, poly1, inflation);
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if (!nmod_poly_equal(poly1, poly2))
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{
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flint_printf("FAIL: aliasing (inflation = %wu)\n", inflation);
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flint_printf("poly1:\n"); nmod_poly_print(poly1); flint_printf("\n\n");
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flint_printf("poly2:\n"); nmod_poly_print(poly2); flint_printf("\n\n");
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abort();
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}
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nmod_poly_clear(poly1);
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nmod_poly_clear(poly2);
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nmod_poly_clear(poly3);
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nmod_poly_clear(xp);
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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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