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30 lines
802 B
C
30 lines
802 B
C
/*
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Copyright (C) 2014 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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void
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_acb_vec_set_powers(acb_ptr xs, const acb_t x, slong len, slong prec)
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{
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slong i;
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for (i = 0; i < len; i++)
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{
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if (i == 0)
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acb_one(xs + i);
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else if (i == 1)
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acb_set_round(xs + i, x, prec);
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else if (i % 2 == 0)
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acb_mul(xs + i, xs + i / 2, xs + i / 2, prec);
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else
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acb_mul(xs + i, xs + i - 1, x, prec);
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}
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}
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