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https://github.com/vale981/arb
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31 lines
746 B
C
31 lines
746 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 "dirichlet.h"
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void
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dirichlet_vec_set_null(ulong *v, const dirichlet_group_t G, slong nv)
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{
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slong k, l;
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if (G->q_even > 1)
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{
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for (k = 2; k < nv; k += 2)
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v[k] = -1;
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}
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for (l = G->neven; l < G->num; l++)
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{
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ulong p = G->P[l].p;
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for (k = p; k < nv; k += p)
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v[k] = DIRICHLET_CHI_NULL;
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}
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}
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