TOP_VALUE
else if (m_RangeCoderInfo.low & TOP_VALUE) \
m_RangeCoderInfo.low = (m_RangeCoderInfo.low << 8) & (TOP_VALUE - 1); \
#define BOTTOM_VALUE (TOP_VALUE >> 8)
m_RangeCoderInfo.range = TOP_VALUE;
#define BOTTOM_VALUE (TOP_VALUE >> 8)