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_TRANSPOSE_H_
29 #define LIBMPDEC_TRANSPOSE_H_
30
31
32 #include "mpdecimal.h"
33
34
35 /* Internal header file: all symbols have local scope in the DSO */
36 MPD_PRAGMA(MPD_HIDE_SYMBOLS_START)
37
38
39 enum {FORWARD_CYCLE, BACKWARD_CYCLE};
40
41
42 void std_trans(mpd_uint_t dest[], mpd_uint_t src[], mpd_size_t rows, mpd_size_t cols);
43 int transpose_pow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols);
44 void transpose_3xpow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols);
45
46
pointerswap(mpd_uint_t ** a,mpd_uint_t ** b)47 static inline void pointerswap(mpd_uint_t **a, mpd_uint_t **b)
48 {
49 mpd_uint_t *tmp;
50
51 tmp = *b;
52 *b = *a;
53 *a = tmp;
54 }
55
56
57 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */
58
59
60 #endif /* LIBMPDEC_TRANSPOSE_H_ */
61