--- a/misc/libphysfs/lzma/CPP/7zip/Compress/RangeCoder/RangeCoderBit.h	Wed May 16 18:22:28 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,120 +0,0 @@
-// Compress/RangeCoder/RangeCoderBit.h
-
-#ifndef __COMPRESS_RANGECODER_BIT_H
-#define __COMPRESS_RANGECODER_BIT_H
-
-#include "RangeCoder.h"
-
-namespace NCompress {
-namespace NRangeCoder {
-
-const int kNumBitModelTotalBits  = 11;
-const UInt32 kBitModelTotal = (1 << kNumBitModelTotalBits);
-
-const int kNumMoveReducingBits = 2;
-
-const int kNumBitPriceShiftBits = 6;
-const UInt32 kBitPrice = 1 << kNumBitPriceShiftBits;
-
-class CPriceTables
-{
-public:
-  static UInt32 ProbPrices[kBitModelTotal >> kNumMoveReducingBits];
-  static void Init();
-  CPriceTables();
-};
-
-template <int numMoveBits>
-class CBitModel
-{
-public:
-  UInt32 Prob;
-  void UpdateModel(UInt32 symbol)
-  {
-    /*
-    Prob -= (Prob + ((symbol - 1) & ((1 << numMoveBits) - 1))) >> numMoveBits;
-    Prob += (1 - symbol) << (kNumBitModelTotalBits - numMoveBits);
-    */
-    if (symbol == 0)
-      Prob += (kBitModelTotal - Prob) >> numMoveBits;
-    else
-      Prob -= (Prob) >> numMoveBits;
-  }
-public:
-  void Init() { Prob = kBitModelTotal / 2; }
-};
-
-template <int numMoveBits>
-class CBitEncoder: public CBitModel<numMoveBits>
-{
-public:
-  void Encode(CEncoder *encoder, UInt32 symbol)
-  {
-    /*
-    encoder->EncodeBit(this->Prob, kNumBitModelTotalBits, symbol);
-    this->UpdateModel(symbol);
-    */
-    UInt32 newBound = (encoder->Range >> kNumBitModelTotalBits) * this->Prob;
-    if (symbol == 0)
-    {
-      encoder->Range = newBound;
-      this->Prob += (kBitModelTotal - this->Prob) >> numMoveBits;
-    }
-    else
-    {
-      encoder->Low += newBound;
-      encoder->Range -= newBound;
-      this->Prob -= (this->Prob) >> numMoveBits;
-    }
-    if (encoder->Range < kTopValue)
-    {
-      encoder->Range <<= 8;
-      encoder->ShiftLow();
-    }
-  }
-  UInt32 GetPrice(UInt32 symbol) const
-  {
-    return CPriceTables::ProbPrices[
-      (((this->Prob - symbol) ^ ((-(int)symbol))) & (kBitModelTotal - 1)) >> kNumMoveReducingBits];
-  }
-  UInt32 GetPrice0() const { return CPriceTables::ProbPrices[this->Prob >> kNumMoveReducingBits]; }
-  UInt32 GetPrice1() const { return CPriceTables::ProbPrices[(kBitModelTotal - this->Prob) >> kNumMoveReducingBits]; }
-};
-
-
-template <int numMoveBits>
-class CBitDecoder: public CBitModel<numMoveBits>
-{
-public:
-  UInt32 Decode(CDecoder *decoder)
-  {
-    UInt32 newBound = (decoder->Range >> kNumBitModelTotalBits) * this->Prob;
-    if (decoder->Code < newBound)
-    {
-      decoder->Range = newBound;
-      this->Prob += (kBitModelTotal - this->Prob) >> numMoveBits;
-      if (decoder->Range < kTopValue)
-      {
-        decoder->Code = (decoder->Code << 8) | decoder->Stream.ReadByte();
-        decoder->Range <<= 8;
-      }
-      return 0;
-    }
-    else
-    {
-      decoder->Range -= newBound;
-      decoder->Code -= newBound;
-      this->Prob -= (this->Prob) >> numMoveBits;
-      if (decoder->Range < kTopValue)
-      {
-        decoder->Code = (decoder->Code << 8) | decoder->Stream.ReadByte();
-        decoder->Range <<= 8;
-      }
-      return 1;
-    }
-  }
-};
-
-}}
-
-#endif