132 lines
3.4 KiB
C
132 lines
3.4 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) 2011 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 "fmpq.h"
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#include "fmpq_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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FLINT_TEST_INIT(state);
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flint_printf("scalar_div_fmpz....");
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fflush(stdout);
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/* Aliasing */
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for (i = 0; i < 100 * flint_test_multiplier(); i++)
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{
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fmpq_mat_t A, B;
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fmpz_t x;
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slong m, n, bits;
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m = n_randint(state, 10);
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n = n_randint(state, 10);
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bits = 1 + n_randint(state, 100);
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fmpq_mat_init(A, m, n);
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fmpq_mat_init(B, m, n);
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fmpz_init(x);
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fmpq_mat_randtest(B, state, bits);
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fmpz_randtest_not_zero(x, state, bits);
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fmpq_mat_scalar_div_fmpz(A, B, x);
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fmpq_mat_scalar_div_fmpz(B, B, x);
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result = fmpq_mat_equal(A, B);
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if (!result)
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{
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flint_printf("FAIL:\n");
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flint_printf("A:\n"), fmpq_mat_print(A);
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flint_printf("B:\n"), fmpq_mat_print(B);
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abort();
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}
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fmpq_mat_clear(A);
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fmpq_mat_clear(B);
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fmpz_clear(x);
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}
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/* (A + B) / x == A / x + B / x */
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for (i = 0; i < 100 * flint_test_multiplier(); i++)
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{
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fmpq_mat_t A, B, C, D;
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fmpz_t x;
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slong m, n, bits;
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m = n_randint(state, 10);
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n = n_randint(state, 10);
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bits = 1 + n_randint(state, 100);
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fmpq_mat_init(A, m, n);
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fmpq_mat_init(B, m, n);
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fmpq_mat_init(C, m, n);
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fmpq_mat_init(D, m, n);
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fmpz_init(x);
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fmpq_mat_randtest(A, state, bits);
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fmpq_mat_randtest(B, state, bits);
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fmpz_randtest_not_zero(x, state, bits);
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fmpq_mat_scalar_div_fmpz(C, A, x);
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fmpq_mat_scalar_div_fmpz(D, B, x);
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fmpq_mat_add(D, C, D);
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fmpq_mat_add(C, A, B);
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fmpq_mat_scalar_div_fmpz(C, C, x);
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result = fmpq_mat_equal(C, D);
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if (!result)
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{
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flint_printf("FAIL:\n");
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flint_printf("A:\n"), fmpq_mat_print(A);
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flint_printf("B:\n"), fmpq_mat_print(B);
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abort();
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}
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fmpq_mat_clear(A);
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fmpq_mat_clear(B);
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fmpq_mat_clear(C);
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fmpq_mat_clear(D);
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fmpz_clear(x);
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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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