Adds new layer and connects its first input to the first output of previously added layer

id = net.addLayerToPrev(name, layerType, params)

Input

• name unique name of the adding layer.
• layerType typename of the adding layer (type must be registered).
• params parameters which will be used to initialize the creating layer.

Output

• id unique identifier of created layer, or -1 if a failure will happen.