mirror of
https://github.com/vale981/arb
synced 2025-03-06 09:51:39 -05:00
74 lines
2.2 KiB
C
74 lines
2.2 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) 2016 Pascal Molin
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******************************************************************************/
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#include "acb_dirichlet.h"
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int main()
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{
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slong k;
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slong prec = 100;
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slong nq = 10;
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ulong q[10] = { 2, 3, 4, 5, 6, 10, 15, 30, 308, 961};
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flint_printf("dft....");
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fflush(stdout);
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for (k = 0; k < nq; k++)
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{
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slong i;
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acb_ptr v, w1, w2;
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v = _acb_vec_init(q[k]);
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w1 = _acb_vec_init(q[k]);
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w2 = _acb_vec_init(q[k]);
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for (i = 0; i < q[k]; i++)
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acb_set_si(v + i, i);
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acb_dirichlet_dft_pol(w1, v, q[k], prec);
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acb_dirichlet_dft_fast(w2, v, q[k], prec);
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for (i = 0; i < q[k]; i++)
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{
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if (!acb_overlaps(w1 + i, w2 + i))
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{
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flint_printf("differ from index %ld / %ld \n\n",i,q[k]);
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flint_printf("pol =\n");
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acb_vec_printd(w1, q[k], 10);
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flint_printf("fast =\n");
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acb_vec_printd(w2, q[k], 10);
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flint_printf("\n\n");
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abort();
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}
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}
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_acb_vec_clear(v, q[k]);
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_acb_vec_clear(w1, q[k]);
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_acb_vec_clear(w2, q[k]);
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}
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flint_printf("PASS\n");
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}
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