copy - Copy the top n stack object
... obj_n ... obj1 n copy -> ... obj_n ... obj1 obj_n ... obj1
1 2 3 4 2 copy
-> after this execution 1 2 3 4 3 4 lies on the stack (the last two elements
were copied).
Raises StackUnderflow error if there are less than n+1 objects on
the stack.
docu edited by Sirko Straube
/var/www/debian/nest/nest-simulator-2.20.0/sli/slistack.cc