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https://github.com/vale981/arb
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46 lines
1.5 KiB
C
46 lines
1.5 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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ulong
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acb_dirichlet_ui_chi(const acb_dirichlet_group_t G, const acb_dirichlet_char_t chi, ulong n)
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{
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if (n_gcd(G->q, n) > 1)
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{
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return ACB_DIRICHLET_CHI_NULL;
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}
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else
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{
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ulong v;
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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_log(x, G, n);
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v = acb_dirichlet_ui_chi_conrey(G, chi, x);
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return v;
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}
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}
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