split_last_significant_position  805 libde265/encoder/encoder-syntax.cc   split_last_significant_position(codedSignificantX, &prefixX,&suffixX,&suffixBitsX);
split_last_significant_position  806 libde265/encoder/encoder-syntax.cc   split_last_significant_position(codedSignificantY, &prefixY,&suffixY,&suffixBitsY);