mirror of
https://github.com/vale981/arb
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62 lines
1.9 KiB
C
62 lines
1.9 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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/* loop over whole group */
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void
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acb_dirichlet_ui_chi_vec_loop(ulong *v, const acb_dirichlet_group_t G, const acb_dirichlet_char_t chi, slong nv)
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{
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int j;
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ulong t;
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slong k;
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acb_dirichlet_conrey_t x;
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acb_dirichlet_conrey_init(x, G);
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acb_dirichlet_conrey_one(x, G);
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for (k = 0; k < nv; k++)
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v[k] = ACB_DIRICHLET_CHI_NULL;
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t = v[1] = 0;
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while ( (j = acb_dirichlet_conrey_next(x, G)) >= 0 )
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{
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/* exponents were modified up to j */
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for (k = G->num - 1; k >= j; k--)
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t = nmod_add(t, chi->expo[k], chi->order);
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if (x->n < nv)
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v[x->n] = t;
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}
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/* fix result outside primes */
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/*acb_dirichlet_vec_set_null(v, G, nv);*/
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/* copy outside modulus */
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for (k = G->q; k < nv ; k++ )
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v[k] = v[k - G->q];
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acb_dirichlet_conrey_clear(x);
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}
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