@interface MPSCNNNeuronExponential : MPSCNNNeuron - (id)initWithDevice:(id)a0 neuronDescriptor:(id)a1 aArray:(const float *)a2; - (id)initWithDevice:(id)a0 neuronDescriptor:(id)a1; - (id)initWithDevice:(id)a0 a:(float)a1 b:(float)a2 c:(float)a3; @end