203 lines
6.5 KiB
C
203 lines
6.5 KiB
C
/*=============================================================================
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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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Copyright (C) 2012 Lina Kulakova
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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_mod_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;
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FLINT_TEST_INIT(state);
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flint_printf("compose_mod_horner....");
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fflush(stdout);
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for (i = 0; i < 1000; i++)
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{
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fmpz_mod_poly_t a, b, c, d, e;
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fmpz_t p;
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fmpz_init(p);
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fmpz_set_ui(p, n_randtest_prime(state, 0));
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fmpz_mod_poly_init(a, p);
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fmpz_mod_poly_init(b, p);
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fmpz_mod_poly_init(c, p);
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fmpz_mod_poly_init(d, p);
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fmpz_mod_poly_init(e, p);
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fmpz_mod_poly_randtest(a, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_randtest(b, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_randtest_not_zero(c, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_compose_mod_horner(d, a, b, c);
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fmpz_mod_poly_compose(e, a, b);
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fmpz_mod_poly_rem(e, e, c);
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if (!fmpz_mod_poly_equal(d, e))
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{
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flint_printf("FAIL (composition):\n");
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flint_printf("a:\n"); fmpz_mod_poly_print(a); flint_printf("\n");
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flint_printf("b:\n"); fmpz_mod_poly_print(b); flint_printf("\n");
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flint_printf("c:\n"); fmpz_mod_poly_print(c); flint_printf("\n");
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flint_printf("d:\n"); fmpz_mod_poly_print(d); flint_printf("\n");
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flint_printf("e:\n"); fmpz_mod_poly_print(e); flint_printf("\n");
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abort();
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}
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fmpz_clear(p);
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fmpz_mod_poly_clear(a);
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fmpz_mod_poly_clear(b);
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fmpz_mod_poly_clear(c);
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fmpz_mod_poly_clear(d);
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fmpz_mod_poly_clear(e);
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}
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/* Test aliasing of res and a */
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for (i = 0; i < 1000; i++)
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{
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fmpz_mod_poly_t a, b, c, d;
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fmpz_t p;
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fmpz_init(p);
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fmpz_set_ui(p, n_randtest_prime(state, 0));
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fmpz_mod_poly_init(a, p);
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fmpz_mod_poly_init(b, p);
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fmpz_mod_poly_init(c, p);
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fmpz_mod_poly_init(d, p);
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fmpz_mod_poly_randtest(a, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_randtest(b, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_randtest_not_zero(c, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_compose_mod_horner(d, a, b, c);
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fmpz_mod_poly_compose_mod_horner(a, a, b, c);
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if (!fmpz_mod_poly_equal(d, a))
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{
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flint_printf("FAIL (aliasing a):\n");
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flint_printf("a:\n"); fmpz_mod_poly_print(a); flint_printf("\n");
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flint_printf("b:\n"); fmpz_mod_poly_print(b); flint_printf("\n");
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flint_printf("c:\n"); fmpz_mod_poly_print(c); flint_printf("\n");
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flint_printf("d:\n"); fmpz_mod_poly_print(d); flint_printf("\n");
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abort();
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}
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fmpz_clear(p);
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fmpz_mod_poly_clear(a);
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fmpz_mod_poly_clear(b);
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fmpz_mod_poly_clear(c);
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fmpz_mod_poly_clear(d);
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}
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/* Test aliasing of res and b */
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for (i = 0; i < 1000; i++)
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{
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fmpz_mod_poly_t a, b, c, d;
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fmpz_t p;
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fmpz_init(p);
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fmpz_set_ui(p, n_randtest_prime(state, 0));
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fmpz_mod_poly_init(a, p);
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fmpz_mod_poly_init(b, p);
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fmpz_mod_poly_init(c, p);
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fmpz_mod_poly_init(d, p);
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fmpz_mod_poly_randtest(a, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_randtest(b, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_randtest_not_zero(c, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_compose_mod_horner(d, a, b, c);
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fmpz_mod_poly_compose_mod_horner(b, a, b, c);
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if (!fmpz_mod_poly_equal(d, b))
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{
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flint_printf("FAIL (aliasing b)\n");
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flint_printf("a:\n"); fmpz_mod_poly_print(a); flint_printf("\n");
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flint_printf("b:\n"); fmpz_mod_poly_print(b); flint_printf("\n");
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flint_printf("c:\n"); fmpz_mod_poly_print(c); flint_printf("\n");
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flint_printf("d:\n"); fmpz_mod_poly_print(d); flint_printf("\n");
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abort();
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}
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fmpz_clear(p);
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fmpz_mod_poly_clear(a);
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fmpz_mod_poly_clear(b);
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fmpz_mod_poly_clear(c);
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fmpz_mod_poly_clear(d);
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}
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/* Test aliasing of res and c */
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for (i = 0; i < 1000; i++)
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{
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fmpz_mod_poly_t a, b, c, d;
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fmpz_t p;
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fmpz_init(p);
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fmpz_set_ui(p, n_randtest_prime(state, 0));
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fmpz_mod_poly_init(a, p);
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fmpz_mod_poly_init(b, p);
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fmpz_mod_poly_init(c, p);
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fmpz_mod_poly_init(d, p);
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fmpz_mod_poly_randtest(a, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_randtest(b, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_randtest_not_zero(c, state, n_randint(state, 20) + 1);
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fmpz_mod_poly_compose_mod_horner(d, a, b, c);
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fmpz_mod_poly_compose_mod_horner(c, a, b, c);
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if (!fmpz_mod_poly_equal(d, c))
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{
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flint_printf("FAIL (aliasing c)\n");
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flint_printf("a:\n"); fmpz_mod_poly_print(a); flint_printf("\n");
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flint_printf("b:\n"); fmpz_mod_poly_print(b); flint_printf("\n");
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flint_printf("c:\n"); fmpz_mod_poly_print(c); flint_printf("\n");
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flint_printf("d:\n"); fmpz_mod_poly_print(d); flint_printf("\n");
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abort();
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}
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fmpz_clear(p);
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fmpz_mod_poly_clear(a);
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fmpz_mod_poly_clear(b);
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fmpz_mod_poly_clear(c);
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fmpz_mod_poly_clear(d);
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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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