class Selu
implements GPUActivationFn
import { Selu } from "https://deno.land/x/netsaur@0.1.1/src/gpu/activation.ts";
Selu activation function f(x) = x if x >= 0, 1.67 * (e^x - 1) otherwise This is a scaled version of the Elu function, which is a smoother approximation to the ReLU function.