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-rw-r--r--src/libs/7zip/win/C/BwtSort.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/libs/7zip/win/C/BwtSort.h b/src/libs/7zip/win/C/BwtSort.h
new file mode 100644
index 000000000..ce5598f0f
--- /dev/null
+++ b/src/libs/7zip/win/C/BwtSort.h
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+/* BwtSort.h -- BWT block sorting
+2009-02-07 : Igor Pavlov : Public domain */
+
+#ifndef __BWT_SORT_H
+#define __BWT_SORT_H
+
+#include "Types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* 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);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif