/**
    Copyright (C) powturbo 2013-2017
    GPL v2 License
  
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

    - homepage : https://sites.google.com/site/powturbo/
    - github   : https://github.com/powturbo
    - twitter  : https://twitter.com/powturbo
    - email    : powturbo [_AT_] gmail [_DOT_] com
**/
//   transpose.h - byte transpose 
#ifdef __cplusplus
extern "C" {
#endif
// Transpose/Shuffle block for further compressing with lz77 or other compressors
void transpose2    (unsigned char *in, unsigned n, unsigned char *out);
void transpose3    (unsigned char *in, unsigned n, unsigned char *out);
void transpose4    (unsigned char *in, unsigned n, unsigned char *out);
void transpose8    (unsigned char *in, unsigned n, unsigned char *out);
void transpose16   (unsigned char *in, unsigned n, unsigned char *out);
void transpose     (unsigned char *in, unsigned n, unsigned char *out, unsigned esize);

void untranspose2  (unsigned char *in, unsigned n, unsigned char *out);
void untranspose3  (unsigned char *in, unsigned n, unsigned char *out);
void untranspose4  (unsigned char *in, unsigned n, unsigned char *out);
void untranspose8  (unsigned char *in, unsigned n, unsigned char *out);
void untranspose16 (unsigned char *in, unsigned n, unsigned char *out);
void untranspose   (unsigned char *in, unsigned n, unsigned char *out, unsigned esize);

// scalar transpose
void _transpose4   (unsigned char *in, unsigned n, unsigned char *out); 
void _untranspose4 (unsigned char *in, unsigned n, unsigned char *out);  

// Nibble transpose
void transposen4   (unsigned char *in, unsigned n, unsigned char *out);
void untransposen4 (unsigned char *in, unsigned n, unsigned char *out);

#ifdef __cplusplus
}
#endif