Add Const gr_add_const_vxx from gnuradio import gr gr.add_const_v$(type.fcn)($const) set_k($const) IO Type type enum Complex complex const_type:complex_vector fcn:cc Float float const_type:real_vector fcn:ff Int int const_type:int_vector fcn:ii Short short const_type:int_vector fcn:ss Constant const 0 $type.const_type Vec Length vlen 1 int len($const) == $vlen $vlen > 0 in $type $vlen out $type $vlen