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https://github.com/vale981/arb
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45 lines
1,013 B
C
45 lines
1,013 B
C
/*
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Copyright (C) 2012 Fredrik Johansson
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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.h"
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#include "acb_poly.h"
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#include "acb_dirichlet.h"
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void
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acb_zeta_si(acb_t z, slong s, slong prec)
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{
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if (s >= 0)
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{
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arb_zeta_ui(acb_realref(z), s, prec);
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}
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else
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{
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arb_bernoulli_ui(acb_realref(z), 1-s, prec);
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arb_div_ui(acb_realref(z), acb_realref(z), 1-s, prec);
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arb_neg(acb_realref(z), acb_realref(z));
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}
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arb_zero(acb_imagref(z));
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return;
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}
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void
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acb_hurwitz_zeta(acb_t z, const acb_t s, const acb_t a, slong prec)
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{
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acb_dirichlet_hurwitz(z, s, a, prec);
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}
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void
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acb_zeta(acb_t z, const acb_t s, slong prec)
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{
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acb_dirichlet_zeta(z, s, prec);
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}
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