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/* BwtSort.h -- BWT block sorting
: Igor Pavlov : Public domain */
#ifndef ZIP7_INC_BWT_SORT_H
#define ZIP7_INC_BWT_SORT_H
#include "7zTypes.h"
EXTERN_C_BEGIN
/* use BLOCK_SORT_EXTERNAL_FLAGS if blockSize can be > 1M */
/* #define BLOCK_SORT_EXTERNAL_FLAGS */
// #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, size_t blockSize);
EXTERN_C_END
#endif
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