mirror of
https://github.com/vale981/arb
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68 lines
1.9 KiB
C
68 lines
1.9 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) 2012 Fredrik Johansson
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******************************************************************************/
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#include "fmprb.h"
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void
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fmprb_add_error_fmpr(fmprb_t x, const fmpr_t err)
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{
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fmpr_add(fmprb_radref(x), fmprb_radref(x), err, FMPRB_RAD_PREC, FMPR_RND_UP);
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}
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void
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fmprb_add_error_2exp_si(fmprb_t x, slong err)
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{
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fmpr_t t;
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fmpr_init(t);
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fmpr_set_ui_2exp_si(t, 1, err);
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fmprb_add_error_fmpr(x, t);
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fmpr_clear(t);
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}
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void
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fmprb_add_error_2exp_fmpz(fmprb_t x, const fmpz_t err)
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{
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fmpr_t t;
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fmpr_init(t);
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fmpz_one(fmpr_manref(t));
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fmpz_set(fmpr_expref(t), err);
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fmprb_add_error_fmpr(x, t);
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fmpr_clear(t);
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}
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void
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fmprb_add_error(fmprb_t x, const fmprb_t error)
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{
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fmpr_t high;
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fmpr_init(high);
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fmpr_add(high, fmprb_midref(error), fmprb_radref(error),
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FMPRB_RAD_PREC, FMPR_RND_UP);
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fmpr_add(fmprb_radref(x), fmprb_radref(x), high,
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FMPRB_RAD_PREC, FMPR_RND_UP);
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fmpr_clear(high);
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}
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