# S4 method for dtensor,dtensor
Ops(e1, e2)# S4 method for dtensor,sptensor
Ops(e1, e2)
# S4 method for sptensor,dtensor
Ops(e1, e2)
# S4 method for dtensor,missing
Ops(e1, e2)
# S4 method for dtensor,ANY
Ops(e1, e2)
# S4 method for ANY,dtensor
Ops(e1, e2)