フローティング

extension Float: TensorFlowFloatingPoint
extension Float: TensorFlowScalar
extension Float: Differentiable
extension Float : EuclideanDifferentiable
extension Float : VectorProtocol
extension Float: ElementaryFunctions
extension Float : NumpyScalarCompatible
extension Float : PythonConvertible, ConvertibleFromPython
extension Float: XLAScalarType