79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
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* Copyright (c) 2008-2012 Stefan Krah. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef NUMBER_THEORY_H
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#define NUMBER_THEORY_H
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#include "constants.h"
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#include "mpdecimal.h"
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/* Internal header file: all symbols have local scope in the DSO */
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MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
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/* transform parameters */
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struct fnt_params {
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int modnum;
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mpd_uint_t modulus;
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mpd_uint_t kernel;
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mpd_uint_t wtable[];
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};
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mpd_uint_t _mpd_getkernel(mpd_uint_t n, int sign, int modnum);
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struct fnt_params *_mpd_init_fnt_params(mpd_size_t n, int sign, int modnum);
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void _mpd_init_w3table(mpd_uint_t w3table[3], int sign, int modnum);
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#ifdef PPRO
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static inline void
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ppro_setmodulus(int modnum, mpd_uint_t *umod, double *dmod, uint32_t dinvmod[3])
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{
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*dmod = *umod = mpd_moduli[modnum];
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dinvmod[0] = mpd_invmoduli[modnum][0];
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dinvmod[1] = mpd_invmoduli[modnum][1];
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dinvmod[2] = mpd_invmoduli[modnum][2];
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}
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#else
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static inline void
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std_setmodulus(int modnum, mpd_uint_t *umod)
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{
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*umod = mpd_moduli[modnum];
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}
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#endif
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MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
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#endif
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