SIMD64、SIMD64 

extension SIMD64: ElementaryFunctions where Scalar: ElementaryFunctions
extension SIMD64: AdditiveArithmetic where Scalar: FloatingPoint
extension SIMD64: Differentiable
where
  Scalar: Differentiable & BinaryFloatingPoint,
  Scalar.TangentVector: BinaryFloatingPoint
extension SIMD64: EuclideanDifferentiable
where
  Scalar: EuclideanDifferentiable & BinaryFloatingPoint,
  Scalar.TangentVector: BinaryFloatingPoint
extension SIMD64
where
  Scalar: Differentiable & BinaryFloatingPoint,
  Scalar.TangentVector == Scalar
`Scalar`: `Differentiable` & `BinaryFloatingPoint`、`Scalar.TangentVector`: `BinaryFloatingPoint` で利用可能です。
`Scalar`: `Differentiable` & `BinaryFloatingPoint`、`Scalar.TangentVector` == `Scalar` で使用できます。

  • 宣言

    @derivative
subscript(_: <<error type>>) -> <<error type>> { get }