46 lines
2.2 KiB
C
46 lines
2.2 KiB
C
/**
|
|
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
|
|
**/
|
|
// "Integer Compression" variable simple "SimpleV"
|
|
// this belongs to the integer compression known as "simple family", like simple-9,simple-16
|
|
// or simple-8b. SimpleV is compressing integers in groups into variable word size 32, 40 and 64 bits + RLE (run length encoding)
|
|
// SimpleV is faster than simple-16 and compress better than simple-16 or simple-8b.
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// vsencNN: compress array with n unsigned (NN bits in[n]) values to the buffer out. Return value = end of compressed output buffer out
|
|
unsigned char *vsenc16(unsigned short *__restrict in, int n, unsigned char *__restrict out);
|
|
unsigned char *vsenc32(unsigned *__restrict in, int n, unsigned char *__restrict out);
|
|
unsigned char *vsenc64(uint64_t *__restrict in, int n, unsigned char *__restrict out);
|
|
|
|
// vsdecNN: decompress buffer into an array of n unsigned values. Return value = end of compressed input buffer in
|
|
unsigned char *vsdec16(unsigned char *__restrict in, int n, unsigned short *__restrict out);
|
|
unsigned char *vsdec32(unsigned char *__restrict in, int n, unsigned *__restrict out);
|
|
unsigned char *vsdec64(unsigned char *__restrict in, int n, uint64_t *__restrict out);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|