public struct EmptyTangentVector: EuclideanDifferentiable, VectorProtocol, ElementaryFunctions,
PointwiseMultiplicative, KeyPathIterableパラメータのないレイヤーの空のTangentVectorを表す空の構造体。
宣言
public typealias VectorSpaceScalar = Float宣言
public typealias TangentVector = `Self`宣言
public init()宣言
public func adding(_ x: Float) -> EmptyTangentVector宣言
public mutating mutating func add(_ x: Float)宣言
public func subtracting(_ x: Float) -> EmptyTangentVector宣言
public mutating mutating func subtract(_ x: Float)宣言
public func scaled(by scalar: Float) -> EmptyTangentVector宣言
public mutating mutating func scale(by scalar: Float)