Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2008-2012 Stefan Krah. All rights reserved.
       3             :  *
       4             :  * Redistribution and use in source and binary forms, with or without
       5             :  * modification, are permitted provided that the following conditions
       6             :  * are met:
       7             :  *
       8             :  * 1. Redistributions of source code must retain the above copyright
       9             :  *    notice, this list of conditions and the following disclaimer.
      10             :  *
      11             :  * 2. Redistributions in binary form must reproduce the above copyright
      12             :  *    notice, this list of conditions and the following disclaimer in the
      13             :  *    documentation and/or other materials provided with the distribution.
      14             :  *
      15             :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
      16             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      17             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      18             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
      19             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      20             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      21             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      22             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      23             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      24             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      25             :  * SUCH DAMAGE.
      26             :  */
      27             : 
      28             : 
      29             : #ifndef NUMBER_THEORY_H
      30             : #define NUMBER_THEORY_H
      31             : 
      32             : 
      33             : #include "constants.h"
      34             : #include "mpdecimal.h"
      35             : 
      36             : 
      37             : /* transform parameters */
      38             : struct fnt_params {
      39             :     int modnum;
      40             :     mpd_uint_t modulus;
      41             :     mpd_uint_t kernel;
      42             :     mpd_uint_t wtable[];
      43             : };
      44             : 
      45             : 
      46             : mpd_uint_t _mpd_getkernel(mpd_uint_t n, int sign, int modnum);
      47             : struct fnt_params *_mpd_init_fnt_params(mpd_size_t n, int sign, int modnum);
      48             : void _mpd_init_w3table(mpd_uint_t w3table[3], int sign, int modnum);
      49             : 
      50             : 
      51             : #ifdef PPRO
      52             : static inline void
      53           0 : ppro_setmodulus(int modnum, mpd_uint_t *umod, double *dmod, uint32_t dinvmod[3])
      54             : {
      55           0 :     *dmod = *umod =  mpd_moduli[modnum];
      56           0 :     dinvmod[0] = mpd_invmoduli[modnum][0];
      57           0 :     dinvmod[1] = mpd_invmoduli[modnum][1];
      58           0 :     dinvmod[2] = mpd_invmoduli[modnum][2];
      59           0 : }
      60             : #else
      61             : static inline void
      62             : std_setmodulus(int modnum, mpd_uint_t *umod)
      63             : {
      64             :     *umod =  mpd_moduli[modnum];
      65             : }
      66             : #endif
      67             : 
      68             : 
      69             : #endif
      70             : 
      71             :