Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2008-2012 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             : enum {FORWARD_CYCLE, BACKWARD_CYCLE};
      38             : 
      39             : 
      40             : void std_trans(mpd_uint_t dest[], mpd_uint_t src[], mpd_size_t rows, mpd_size_t cols);
      41             : int transpose_pow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols);
      42             : void transpose_3xpow2(mpd_uint_t *matrix, mpd_size_t rows, mpd_size_t cols);
      43             : 
      44             : 
      45           0 : static inline void pointerswap(mpd_uint_t **a, mpd_uint_t **b)
      46             : {
      47             :     mpd_uint_t *tmp;
      48             : 
      49           0 :     tmp = *b;
      50           0 :     *b = *a;
      51           0 :     *a = tmp;
      52           0 : }
      53             : 
      54             : 
      55             : #endif