77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2008-2020 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 LIBMPDEC_NUMBERTHEORY_H_
|
|
#define LIBMPDEC_NUMBERTHEORY_H_
|
|
|
|
|
|
#include "mpdecimal.h"
|
|
#include "constants.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 /* LIBMPDEC_NUMBERTHEORY_H_ */
|