mirror of
https://github.com/vale981/arb
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26 lines
732 B
C
26 lines
732 B
C
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/*
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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_get_rad_ubound_arf(arf_t u, const acb_t z, slong prec)
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{
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/* fixme: this bound is very sloppy */
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if (mag_cmp(arb_radref(acb_realref(z)), arb_radref(acb_imagref(z))) >= 0)
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arf_set_mag(u, arb_radref(acb_realref(z)));
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else
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arf_set_mag(u, arb_radref(acb_imagref(z)));
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arf_mul_2exp_si(u, u, 1);
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}
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