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-rw-r--r--other-licenses/7zstub/src/7zip/Common/LSBFDecoder.cpp34
1 files changed, 34 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Common/LSBFDecoder.cpp b/other-licenses/7zstub/src/7zip/Common/LSBFDecoder.cpp
new file mode 100644
index 0000000000..ada5890be8
--- /dev/null
+++ b/other-licenses/7zstub/src/7zip/Common/LSBFDecoder.cpp
@@ -0,0 +1,34 @@
+// Stream/LSBFDecoder.cpp
+
+#include "StdAfx.h"
+
+#include "LSBFDecoder.h"
+
+namespace NStream {
+namespace NLSBF {
+
+Byte kInvertTable[256];
+
+class CInverterTableInitializer
+{
+public:
+ CInverterTableInitializer()
+ {
+ for(int i = 0; i < 256; i++)
+ {
+ Byte b = Byte(i);
+ Byte bInvert = 0;
+ for(int j = 0; j < 8; j++)
+ {
+ bInvert <<= 1;
+ if (b & 1)
+ bInvert |= 1;
+ b >>= 1;
+ }
+ kInvertTable[i] = bInvert;
+ }
+ }
+} g_InverterTableInitializer;
+
+
+}}