constructor(attrs = {}) {
    super(attrs)
    this.layerClass = 'PReLU'

    // Layer weights specification
    this.params = ['alpha']

    // GPU setup
    if (this.gpu) {
      this.program = webgl2.compileProgram(programSource)
    }
  }
Creates a PReLU activation layer

@param {Object} [attrs] - layer config attributes