mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/*=============================================================================
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This file is part of ARB.
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ARB 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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ARB 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 ARB; 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) 2012 Fredrik Johansson
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******************************************************************************/
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#include "acb_mat.h"
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int main()
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{
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slong iter;
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flint_rand_t state;
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flint_printf("det....");
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fflush(stdout);
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flint_randinit(state);
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for (iter = 0; iter < 10000; iter++)
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{
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fmpq_mat_t Q;
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fmpq_t Qdet;
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acb_mat_t A;
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acb_t Adet, imagunit;
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slong n, qbits, prec;
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int imaginary;
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n = n_randint(state, 8);
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qbits = 1 + n_randint(state, 100);
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prec = 2 + n_randint(state, 200);
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imaginary = n_randint(state, 2);
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fmpq_mat_init(Q, n, n);
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fmpq_init(Qdet);
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acb_mat_init(A, n, n);
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acb_init(Adet);
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acb_init(imagunit);
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fmpq_mat_randtest(Q, state, qbits);
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fmpq_mat_det(Qdet, Q);
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acb_mat_set_fmpq_mat(A, Q, prec);
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if (imaginary)
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{
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acb_onei(imagunit);
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acb_mat_scalar_mul_acb(A, A, imagunit, prec);
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}
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acb_mat_det(Adet, A, prec);
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if (imaginary)
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{
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acb_onei(imagunit);
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acb_inv(imagunit, imagunit, prec);
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acb_pow_ui(imagunit, imagunit, n, prec);
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acb_mul(Adet, Adet, imagunit, prec);
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}
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if (!acb_contains_fmpq(Adet, Qdet))
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{
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flint_printf("FAIL (containment, iter = %wd)\n", iter);
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flint_printf("n = %wd, prec = %wd\n", n, prec);
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flint_printf("\n");
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flint_printf("Q = \n"); fmpq_mat_print(Q); flint_printf("\n\n");
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flint_printf("Qdet = \n"); fmpq_print(Qdet); flint_printf("\n\n");
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flint_printf("A = \n"); acb_mat_printd(A, 15); flint_printf("\n\n");
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flint_printf("Adet = \n"); acb_printd(Adet, 15); flint_printf("\n\n");
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flint_printf("Adet = \n"); acb_print(Adet); flint_printf("\n\n");
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abort();
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}
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fmpq_mat_clear(Q);
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fmpq_clear(Qdet);
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acb_mat_clear(A);
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acb_clear(Adet);
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acb_clear(imagunit);
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}
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flint_randclear(state);
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flint_cleanup();
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flint_printf("PASS\n");
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return EXIT_SUCCESS;
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}
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