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/*
* Copyright (c) 2008-2016 Stefan Krah. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef NUMBER_THEORY_H
#define NUMBER_THEORY_H
#include "constants.h"
#include "mpdecimal.h"
/* Internal header file: all symbols have local scope in the DSO */
MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
/* transform parameters */
struct fnt_params {
int modnum;
mpd_uint_t modulus;
mpd_uint_t kernel;
mpd_uint_t wtable[];
};
mpd_uint_t _mpd_getkernel(mpd_uint_t n, int sign, int modnum);
struct fnt_params *_mpd_init_fnt_params(mpd_size_t n, int sign, int modnum);
void _mpd_init_w3table(mpd_uint_t w3table[3], int sign, int modnum);
#ifdef PPRO
static inline void
ppro_setmodulus(int modnum, mpd_uint_t *umod, double *dmod, uint32_t dinvmod[3])
{
*dmod = *umod = mpd_moduli[modnum];
dinvmod[0] = mpd_invmoduli[modnum][0];
dinvmod[1] = mpd_invmoduli[modnum][1];
dinvmod[2] = mpd_invmoduli[modnum][2];
}
#else
static inline void
std_setmodulus(int modnum, mpd_uint_t *umod)
{
*umod = mpd_moduli[modnum];
}
#endif
MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
#endif
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