mirror of
https://github.com/vale981/arb
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62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
/*
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Copyright (C) 2012 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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#ifndef HYPGEOM_H
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#define HYPGEOM_H
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#include "flint/fmpz_poly.h"
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#include "arb.h"
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#include "mag.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct
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{
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fmpz_poly_t A;
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fmpz_poly_t B;
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fmpz_poly_t P;
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fmpz_poly_t Q;
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/* precomputation data */
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int have_precomputed;
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slong r;
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slong boundC;
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slong boundD;
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slong boundK;
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mag_t MK;
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}
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hypgeom_struct;
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typedef hypgeom_struct hypgeom_t[1];
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void hypgeom_init(hypgeom_t hyp);
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void hypgeom_clear(hypgeom_t hyp);
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void hypgeom_precompute(hypgeom_t hyp);
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slong hypgeom_estimate_terms(const mag_t z, int r, slong prec);
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slong hypgeom_bound(mag_t error, int r,
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slong C, slong D, slong K, const mag_t TK, const mag_t z, slong prec);
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void arb_hypgeom_sum(arb_t P, arb_t Q, const hypgeom_t hyp, slong n, slong prec);
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void arb_hypgeom_infsum(arb_t P, arb_t Q, hypgeom_t hyp, slong target_prec, slong prec);
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#ifdef __cplusplus
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}
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#endif
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#endif
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