256 lines
7.4 KiB
C
256 lines
7.4 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, 2013 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 "ulong_extras.h"
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#include "long_extras.h"
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#include "padic.h"
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#include "padic_mat.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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fmpz_t p;
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slong N;
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padic_ctx_t ctx;
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slong m, n;
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FLINT_TEST_INIT(state);
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flint_printf("sub... ");
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fflush(stdout);
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/* Check aliasing: a = a - b */
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for (i = 0; i < 10000; i++)
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{
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padic_mat_t a, b, d;
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fmpz_init_set_ui(p, n_randtest_prime(state, 0));
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N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
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+ PADIC_TEST_PREC_MIN;
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padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
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m = n_randint(state, 20);
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n = n_randint(state, 20);
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padic_mat_init2(a, m, n, N);
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padic_mat_init2(b, m, n, N);
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padic_mat_init2(d, m, n, N);
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padic_mat_randtest(a, state, ctx);
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padic_mat_randtest(b, state, ctx);
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padic_mat_sub(d, a, b, ctx);
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padic_mat_sub(a, a, b, ctx);
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result = (padic_mat_equal(a, d) && padic_mat_is_reduced(a, ctx));
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if (!result)
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{
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flint_printf("FAIL:\n\n");
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flint_printf("a = "), padic_mat_print(a, ctx), flint_printf("\n");
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flint_printf("b = "), padic_mat_print(b, ctx), flint_printf("\n");
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flint_printf("d = "), padic_mat_print(d, ctx), flint_printf("\n");
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abort();
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}
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padic_mat_clear(a);
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padic_mat_clear(b);
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padic_mat_clear(d);
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fmpz_clear(p);
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padic_ctx_clear(ctx);
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}
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/* Check aliasing: b = a - b */
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for (i = 0; i < 10000; i++)
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{
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padic_mat_t a, b, d;
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fmpz_init_set_ui(p, n_randtest_prime(state, 0));
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N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
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+ PADIC_TEST_PREC_MIN;
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padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
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m = n_randint(state, 20);
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n = n_randint(state, 20);
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padic_mat_init2(a, m, n, N);
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padic_mat_init2(b, m, n, N);
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padic_mat_init2(d, m, n, N);
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padic_mat_randtest(a, state, ctx);
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padic_mat_randtest(b, state, ctx);
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padic_mat_sub(d, a, b, ctx);
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padic_mat_sub(b, a, b, ctx);
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result = (padic_mat_equal(b, d) && padic_mat_is_reduced(b, ctx));
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if (!result)
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{
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flint_printf("FAIL:\n\n");
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flint_printf("a = "), padic_mat_print(a, ctx), flint_printf("\n");
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flint_printf("b = "), padic_mat_print(b, ctx), flint_printf("\n");
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flint_printf("d = "), padic_mat_print(d, ctx), flint_printf("\n");
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abort();
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}
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padic_mat_clear(a);
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padic_mat_clear(b);
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padic_mat_clear(d);
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fmpz_clear(p);
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padic_ctx_clear(ctx);
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}
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/* Check aliasing: a = a - a == 0 */
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for (i = 0; i < 10000; i++)
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{
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padic_mat_t a, d;
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fmpz_init_set_ui(p, n_randtest_prime(state, 0));
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N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
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+ PADIC_TEST_PREC_MIN;
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padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
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m = n_randint(state, 20);
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n = n_randint(state, 20);
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padic_mat_init2(a, m, n, N);
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padic_mat_init2(d, m, n, N);
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padic_mat_randtest(a, state, ctx);
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padic_mat_sub(d, a, a, ctx);
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padic_mat_sub(a, a, a, ctx);
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result = (padic_mat_equal(a, d) && padic_mat_is_zero(a));
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if (!result)
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{
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flint_printf("FAIL:\n\n");
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flint_printf("a = "), padic_mat_print(a, ctx), flint_printf("\n");
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flint_printf("d = "), padic_mat_print(d, ctx), flint_printf("\n");
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abort();
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}
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padic_mat_clear(a);
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padic_mat_clear(d);
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fmpz_clear(p);
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padic_ctx_clear(ctx);
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}
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/* Check commutativity: a - b == -(b - a) */
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for (i = 0; i < 10000; i++)
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{
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padic_mat_t a, b, c, d;
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fmpz_init_set_ui(p, n_randtest_prime(state, 0));
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N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
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+ PADIC_TEST_PREC_MIN;
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padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
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m = n_randint(state, 10);
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n = n_randint(state, 10);
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padic_mat_init2(a, m, n, N);
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padic_mat_init2(b, m, n, N);
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padic_mat_init2(c, m, n, N);
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padic_mat_init2(d, m, n, N);
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padic_mat_randtest(a, state, ctx);
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padic_mat_randtest(b, state, ctx);
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padic_mat_sub(c, a, b, ctx);
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padic_mat_sub(d, b, a, ctx);
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padic_mat_neg(d, d, ctx);
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result = (padic_mat_equal(c, d) && padic_mat_is_reduced(c, ctx));
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if (!result)
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{
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flint_printf("FAIL:\n\n");
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flint_printf("a = "), padic_mat_print_pretty(a, ctx), flint_printf("\n");
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flint_printf("b = "), padic_mat_print_pretty(b, ctx), flint_printf("\n");
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flint_printf("c = "), padic_mat_print_pretty(c, ctx), flint_printf("\n");
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flint_printf("d = "), padic_mat_print_pretty(d, ctx), flint_printf("\n");
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abort();
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}
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padic_mat_clear(a);
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padic_mat_clear(b);
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padic_mat_clear(c);
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padic_mat_clear(d);
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fmpz_clear(p);
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padic_ctx_clear(ctx);
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}
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/* Check a - 0 == a */
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for (i = 0; i < 10000; i++)
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{
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padic_mat_t a, b;
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fmpz_init_set_ui(p, n_randtest_prime(state, 0));
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N = n_randint(state, PADIC_TEST_PREC_MAX - PADIC_TEST_PREC_MIN)
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+ PADIC_TEST_PREC_MIN;
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padic_ctx_init(ctx, p, FLINT_MAX(0, N-10), FLINT_MAX(0, N+10), PADIC_SERIES);
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m = n_randint(state, 20);
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n = n_randint(state, 20);
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padic_mat_init2(a, m, n, N);
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padic_mat_init2(b, m, n, N);
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padic_mat_randtest(a, state, ctx);
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padic_mat_sub(b, a, b, ctx);
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result = (padic_mat_equal(a, b) && padic_mat_is_reduced(a, ctx));
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if (!result)
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{
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flint_printf("FAIL:\n\n");
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flint_printf("a = "), padic_mat_print(a, ctx), flint_printf("\n");
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flint_printf("b = "), padic_mat_print(b, ctx), flint_printf("\n");
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abort();
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}
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padic_mat_clear(a);
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padic_mat_clear(b);
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fmpz_clear(p);
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padic_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 EXIT_SUCCESS;
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}
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