1 /* 2 * Copyright (c) 2008-2016 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 /* Internal header file: all symbols have local scope in the DSO */ 38 MPD_PRAGMA(MPD_HIDE_SYMBOLS_START) 39 40 41 /* transform parameters */ 42 struct fnt_params { 43 int modnum; 44 mpd_uint_t modulus; 45 mpd_uint_t kernel; 46 mpd_uint_t wtable[]; 47 }; 48 49 50 mpd_uint_t _mpd_getkernel(mpd_uint_t n, int sign, int modnum); 51 struct fnt_params *_mpd_init_fnt_params(mpd_size_t n, int sign, int modnum); 52 void _mpd_init_w3table(mpd_uint_t w3table[3], int sign, int modnum); 53 54 55 #ifdef PPRO 56 static inline void 57 ppro_setmodulus(int modnum, mpd_uint_t *umod, double *dmod, uint32_t dinvmod[3]) 58 { 59 *dmod = *umod = mpd_moduli[modnum]; 60 dinvmod[0] = mpd_invmoduli[modnum][0]; 61 dinvmod[1] = mpd_invmoduli[modnum][1]; 62 dinvmod[2] = mpd_invmoduli[modnum][2]; 63 } 64 #else 65 static inline void 66 std_setmodulus(int modnum, mpd_uint_t *umod) 67 { 68 *umod = mpd_moduli[modnum]; 69 } 70 #endif 71 72 73 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */ 74 75 76 #endif 77 78 79
