array('i', [0])
is a 2-bytes signed integer so you need "leafname/S"
array - Efficient arrays of numeric values
TTree → Add a column (“branch”) holding fundamental types and arrays thereof
array('i', [0])
is a 2-bytes signed integer so you need "leafname/S"
array - Efficient arrays of numeric values
TTree → Add a column (“branch”) holding fundamental types and arrays thereof