add :
A multiple-input adder for xreal-typed signals.
The add primitive produces an xreal signal which is a sum of multiple xreal-typed inputs. Using the parameters num_in and scale, one can set the number of input signals to be added and their respective scale factors.
Input/Output Terminals
| Name | I/O | Type | Description | 
| out | output | xreal | output signal | 
| in | input | xreal | input signals | 
Parameters
| Name | Type | Default | Unit | Description | 
| num_in | integer | 2 | None | number of inputs | 
| scale | real array | ‘{1.0, 1.0} | None | input scale factors |