mirror of
https://github.com/vale981/arb
synced 2025-03-06 01:41:39 -05:00
52 lines
1.6 KiB
C
52 lines
1.6 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, 2013 Fredrik Johansson
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******************************************************************************/
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#include "fmprb.h"
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void
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fmprb_pow_fmpq(fmprb_t y, const fmprb_t x, const fmpq_t a, long prec)
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{
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if (fmpz_is_one(fmpq_denref(a)))
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{
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fmprb_pow_fmpz(y, x, fmpq_numref(a), prec);
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}
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else if (fmpz_cmp_ui(fmpq_denref(a), 36) <= 0)
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{
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fmprb_root(y, x, *fmpq_denref(a), prec);
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fmprb_pow_fmpz(y, y, fmpq_numref(a), prec);
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}
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else
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{
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long wp;
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wp = prec + 10;
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fmprb_log(y, x, wp);
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fmprb_mul_fmpz(y, y, fmpq_numref(a), wp);
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fmprb_div_fmpz(y, y, fmpq_denref(a), wp);
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fmprb_exp(y, y, prec);
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}
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}
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