1 | /* |
2 | * Copyright (c) 2008-2020 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 LIBMPDEC_TRANSPOSE_H_ |
30 | #define LIBMPDEC_TRANSPOSE_H_ |
31 | |
32 | |
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 | enum {FORWARD_CYCLE, BACKWARD_CYCLE}; |
41 | |
42 | |
43 | void std_trans(mpd_uint_t dest[], mpd_uint_t src[], mpd_size_t rows, mpd_size_t cols); |
44 | int transpose_pow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols); |
45 | void transpose_3xpow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols); |
46 | |
47 | |
48 | static inline void pointerswap(mpd_uint_t **a, mpd_uint_t **b) |
49 | { |
50 | mpd_uint_t *tmp; |
51 | |
52 | tmp = *b; |
53 | *b = *a; |
54 | *a = tmp; |
55 | } |
56 | |
57 | |
58 | MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */ |
59 | |
60 | |
61 | #endif /* LIBMPDEC_TRANSPOSE_H_ */ |
62 | |