Z% convert datatypes without changing underlying data
2; 1
typecast. This function allows strings in second input to be
replaced by numbers, as follows: 1: 'uint8', 2: 'int8', 3:
'uint64', 4: 'int64', 5: 'uint64', 6: 'int16', 7: 'uint32', 8:
'int32', 9: 'double', 10: 'single'