/src/mpdecimal-4.0.0/libmpdec/numbertheory.h
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1 | | /* |
2 | | * Copyright (c) 2008-2024 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 | | * 2. Redistributions in binary form must reproduce the above copyright |
11 | | * notice, this list of conditions and the following disclaimer in the |
12 | | * documentation and/or other materials provided with the distribution. |
13 | | * |
14 | | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
15 | | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 | | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
17 | | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
18 | | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
19 | | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
20 | | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
21 | | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
22 | | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
23 | | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
24 | | * SUCH DAMAGE. |
25 | | */ |
26 | | |
27 | | |
28 | | #ifndef LIBMPDEC_NUMBERTHEORY_H_ |
29 | | #define LIBMPDEC_NUMBERTHEORY_H_ |
30 | | |
31 | | |
32 | | #include "constants.h" |
33 | | #include "mpdecimal.h" |
34 | | |
35 | | |
36 | | /* Internal header file: all symbols have local scope in the DSO */ |
37 | | MPD_PRAGMA(MPD_HIDE_SYMBOLS_START) |
38 | | |
39 | | |
40 | | /* transform parameters */ |
41 | | struct fnt_params { |
42 | | int modnum; |
43 | | mpd_uint_t modulus; |
44 | | mpd_uint_t kernel; |
45 | | mpd_uint_t wtable[]; |
46 | | }; |
47 | | |
48 | | |
49 | | mpd_uint_t _mpd_getkernel(mpd_uint_t n, int sign, int modnum); |
50 | | struct fnt_params *_mpd_init_fnt_params(mpd_size_t n, int sign, int modnum); |
51 | | void _mpd_init_w3table(mpd_uint_t w3table[3], int sign, int modnum); |
52 | | |
53 | | |
54 | | #ifdef PPRO |
55 | | static inline void |
56 | | ppro_setmodulus(int modnum, mpd_uint_t *umod, double *dmod, uint32_t dinvmod[3]) |
57 | | { |
58 | | *dmod = *umod = mpd_moduli[modnum]; |
59 | | dinvmod[0] = mpd_invmoduli[modnum][0]; |
60 | | dinvmod[1] = mpd_invmoduli[modnum][1]; |
61 | | dinvmod[2] = mpd_invmoduli[modnum][2]; |
62 | | } |
63 | | #else |
64 | | static inline void |
65 | | std_setmodulus(int modnum, mpd_uint_t *umod) |
66 | 0 | { |
67 | 0 | *umod = mpd_moduli[modnum]; |
68 | 0 | } Unexecuted instantiation: convolute.c:std_setmodulus Unexecuted instantiation: crt.c:std_setmodulus Unexecuted instantiation: fnt.c:std_setmodulus Unexecuted instantiation: fourstep.c:std_setmodulus Unexecuted instantiation: numbertheory.c:std_setmodulus Unexecuted instantiation: sixstep.c:std_setmodulus Unexecuted instantiation: difradix2.c:std_setmodulus |
69 | | #endif |
70 | | |
71 | | |
72 | | MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */ |
73 | | |
74 | | |
75 | | #endif /* LIBMPDEC_NUMBERTHEORY_H_ */ |