inline unsigned int RangeCoder::GetChar()
 {
   return(UnpackRead->GetChar());
 }
 
 
 void RangeCoder::InitDecoder(Unpack *UnpackRead)
 {
   RangeCoder::UnpackRead=UnpackRead;
 
   low=code=0;
   range=uint(-1);
   for (int i=0;i < 4;i++)
     code=(code << 8) | GetChar();
 }
 
 
 // (int) cast before "low" added only to suppress compiler warnings.
 #define ARI_DEC_NORMALIZE(code,low,range,read)                           \
 {                                                                        \
   while ((low^(low+range))<TOP || range<BOT && ((range=-(int)low&(BOT-1)),1)) \
   {                                                                      \
     code=(code << 8) | read->GetChar();                                  \
     range <<= 8;                                                         \
     low <<= 8;                                                           \
   }                                                                      \
 }
 
 
 inline int RangeCoder::GetCurrentCount() 
 {
   return (code-low)/(range /= SubRange.scale);
 }
 
 
 inline uint RangeCoder::GetCurrentShiftCount(uint SHIFT) 
 {
   return (code-low)/(range >>= SHIFT);
 }
 
 
 inline void RangeCoder::Decode()
 {
   low += range*SubRange.LowCount;
   range *= SubRange.HighCount-SubRange.LowCount;
 }