deriveCenterIdx  1617 source/common/cudata.cpp                 uint32_t partIdxCenter = deriveCenterIdx(puIdx);
deriveCenterIdx  1857 source/common/cudata.cpp             uint32_t partIdxCenter =  deriveCenterIdx(puIdx);
deriveCenterIdx   330 source/common/cudata.h     uint32_t deriveCenterIdx(uint32_t puIdx) const;