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 TRANSPOSE_H 30 #define TRANSPOSE_H 31 32 33 #include "mpdecimal.h" 34 #include <stdio.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 enum {FORWARD_CYCLE, BACKWARD_CYCLE}; 42 43 44 void std_trans(mpd_uint_t dest[], mpd_uint_t src[], mpd_size_t rows, mpd_size_t cols); 45 int transpose_pow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols); 46 void transpose_3xpow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols); 47 48 49 static inline void pointerswap(mpd_uint_t **a, mpd_uint_t **b) 50 { 51 mpd_uint_t *tmp; 52 53 tmp = *b; 54 *b = *a; 55 *a = tmp; 56 } 57 58 59 MPD_PRAGMA(MPD_HIDE_SYMBOLS_END) /* restore previous scope rules */ 60 61 62 #endif 63
