# set up the input and output data
self.i.data = stage.ispec() # input type
self.r_data = stage.ospec() # all these are output type
self.result = stage.ospec()
self.o.data = stage.ospec()
# set up the input and output data
self.i.data = stage.ispec() # input type
self.r_data = stage.ospec() # all these are output type
self.result = stage.ospec()
self.o.data = stage.ospec()