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https://github.com/vale981/arb
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33 lines
886 B
C
33 lines
886 B
C
/*
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Copyright (C) 2015 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_poly.h"
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void
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_acb_poly_majorant(arb_ptr res, acb_srcptr vec, 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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acb_get_abs_ubound_arf(arb_midref(res + i), vec + i, prec);
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mag_zero(arb_radref(res + i));
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}
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}
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void
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acb_poly_majorant(arb_poly_t res, const acb_poly_t poly, slong prec)
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{
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arb_poly_fit_length(res, poly->length);
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_acb_poly_majorant(res->coeffs, poly->coeffs, poly->length, prec);
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_arb_poly_set_length(res, poly->length);
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}
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