Argmax gr_argmax_xx from gnuradio import gr gr.argmax_$(type.fcn)($vlen) IO Type type enum Float float fcn:fs Int int fcn:is Short short fcn:dd Num Inputs num_inputs 2 int Vec Length vlen 1 int $num_inputs >= 2 $vlen >= 1 in $type $vlen $num_inputs out short $vlen