mirror of
https://github.com/vale981/arb
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39 lines
986 B
C
39 lines
986 B
C
/*
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Copyright (C) 2013 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 "arb_poly.h"
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void
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_arb_poly_evaluate(arb_t res, arb_srcptr f, slong len,
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const arb_t x, slong prec)
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{
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if ((prec >= 1024) && (len >= 5 + 20000 / prec))
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{
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slong fbits;
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fbits = _arb_vec_bits(f, len);
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if (fbits <= prec / 2)
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{
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_arb_poly_evaluate_rectangular(res, f, len, x, prec);
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return;
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}
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}
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_arb_poly_evaluate_horner(res, f, len, x, prec);
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}
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void
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arb_poly_evaluate(arb_t res, const arb_poly_t f, const arb_t a, slong prec)
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{
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_arb_poly_evaluate(res, f->coeffs, f->length, a, prec);
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}
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