mirror of
https://github.com/vale981/arb
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53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*=============================================================================
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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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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ARB is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with ARB; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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=============================================================================*/
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/******************************************************************************
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Copyright (C) 2013 Fredrik Johansson
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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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