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easy7zip/C/BwtSort.h
Igor Pavlov 3901bf0ab8 4.58 beta
2016-05-28 00:15:55 +01:00

25 lines
590 B
C
Executable File

/* BwtSort.h -- BWT block sorting
2008-03-26
Igor Pavlov
Public domain */
#ifndef __BWTSORT_H
#define __BWTSORT_H
#include "Types.h"
/* use BLOCK_SORT_EXTERNAL_FLAGS if blockSize can be > 1M */
/* #define BLOCK_SORT_EXTERNAL_FLAGS */
#ifdef BLOCK_SORT_EXTERNAL_FLAGS
#define BLOCK_SORT_EXTERNAL_SIZE(blockSize) ((((blockSize) + 31) >> 5))
#else
#define BLOCK_SORT_EXTERNAL_SIZE(blockSize) 0
#endif
#define BLOCK_SORT_BUF_SIZE(blockSize) ((blockSize) * 2 + BLOCK_SORT_EXTERNAL_SIZE(blockSize) + (1 << 16))
UInt32 BlockSort(UInt32 *indices, const Byte *data, UInt32 blockSize);
#endif