mirror of
https://github.com/vale981/arb
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79 lines
2.3 KiB
C
79 lines
2.3 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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#ifndef ELEFUN_H
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#define ELEFUN_H
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#include "fmprb.h"
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#include "fmprb_poly.h"
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#include "fmpz_extras.h"
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#ifdef __cplusplus
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extern "C"
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#endif
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static __inline__ void
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fmpz_print_fixed(const fmpz_t x, long prec)
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{
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fmpr_t t;
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fmpr_init(t);
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fmpr_set_fmpz(t, x);
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fmpr_mul_2exp_si(t, t, -prec);
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fmpr_printd(t, prec / 3.33);
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fmpr_clear(t);
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}
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#define EXP_CACHE_PREC 1024
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#define EXP_CACHE_BITS 8
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#define EXP_CACHE_NUM (1L<<EXP_CACHE_BITS)
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#define EXP_CACHE_LEVELS 2
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#define EXP_CACHE_REDUCTION (EXP_CACHE_LEVELS * EXP_CACHE_BITS)
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long elefun_exp_taylor_bound(long mag, long prec);
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void elefun_exp_fixed_taylor_horner_precomp(fmpz_t y, fmpz_t yerr, const fmpz_t x, long n, long prec);
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void elefun_exp_fixed_precomp(fmpz_t y, fmpz_t yerr, fmpz_t exponent,
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const fmpz_t x, const fmpz_t xerr, long prec);
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int elefun_exp_precomp(fmprb_t z, const fmprb_t x, long prec, int minus_one);
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void elefun_exp_via_mpfr(fmprb_t z, const fmprb_t x, long prec);
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void elefun_exp_sum_bs_powtab(fmpz_t T, fmpz_t Q, mp_bitcnt_t * Qexp,
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const fmpz_t x, mp_bitcnt_t r, long N);
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void elefun_exp_sum_bs_simple(fmpz_t T, fmpz_t Q, mp_bitcnt_t * Qexp,
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const fmpz_t x, mp_bitcnt_t r, long N);
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void elefun_exp_fmpr_bb(fmprb_t z, const fmpr_t x, long prec, int m1);
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#ifdef __cplusplus
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}
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#endif
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#endif
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