void THByteGrid(THLongTensor *cluster, THByteTensor *pos, THByteTensor *size,
                THLongTensor *count);
void THCharGrid(THLongTensor *cluster, THCharTensor *pos, THCharTensor *size,
                THLongTensor *count);
void THShortGrid(THLongTensor *cluster, THShortTensor *pos, THShortTensor *size,
                 THLongTensor *count);
void THIntGrid(THLongTensor *cluster, THIntTensor *pos, THIntTensor *size,
               THLongTensor *count);
void THLongGrid(THLongTensor *cluster, THLongTensor *pos, THLongTensor *size,
                THLongTensor *count);
void THFloatGrid(THLongTensor *cluster, THFloatTensor *pos, THFloatTensor *size,
                 THLongTensor *count);
void THDoubleGrid(THLongTensor *cluster, THDoubleTensor *pos, THDoubleTensor *size,
                  THLongTensor *count);