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https://github.com/vale981/arb
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37 lines
994 B
C
37 lines
994 B
C
/*
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Copyright (C) 2016 Pascal Molin
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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 it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version. See <http://www.gnu.org/licenses/>.
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*/
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#include "acb_dirichlet.h"
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void
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acb_dirichlet_chi_vec(acb_ptr v, const acb_dirichlet_group_t G, const acb_dirichlet_char_t chi, slong nv, slong prec)
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{
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slong k;
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ulong * a;
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acb_dirichlet_powers_t t;
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a = flint_malloc(nv * sizeof(ulong));
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acb_dirichlet_ui_chi_vec(a, G, chi, nv);
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acb_dirichlet_powers_init(t, chi->order.n, nv, prec);
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acb_zero(v + 0);
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for (k = 0; k < nv; k++)
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{
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if (a[k] != ACB_DIRICHLET_CHI_NULL)
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acb_dirichlet_power(v + k, t, a[k], prec);
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else
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acb_zero(v + k);
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}
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acb_dirichlet_powers_clear(t);
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flint_free(a);
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}
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