Removed all uses of 'Differentiable.withoutDerivative()'. (#284)

eaplatanios · web-flow · commit 6045403998c1 · 2019-06-23T15:25:28.000-04:00
* Removed all uses of 'Differentiable.withoutDerivative()'.

* Made this compatible with the CI toolchain.

* Bug fix.
diff --git a/Sources/TensorFlow/Layers/Recurrent.swift b/Sources/TensorFlow/Layers/Recurrent.swift
@@ -264,7 +264,7 @@ public struct RNN<Cell: RNNCell>: Layer {
 
     @differentiable(wrt: (self, inputs))
     public func callAsFunction(_ inputs: [Cell.TimeStepInput]) -> [Cell.TimeStepOutput] {
-        return self(inputs, initialState: cell.zeroState.withoutDerivative())
+        return self(inputs, initialState: Swift.withoutDerivative(at: cell.zeroState, in: { $0 }))
     }
 
     /* TODO: Uncomment once control flow and differentiation through force unwrapping is supported.

Original file line number	Diff line number	Diff line change
`@@ -264,7 +264,7 @@ public struct RNN<Cell: RNNCell>: Layer {`
`264`	`264`
`265`	`265`	`@differentiable(wrt: (self, inputs))`
`266`	`266`	`public func callAsFunction(_ inputs: [Cell.TimeStepInput]) -> [Cell.TimeStepOutput] {`
`267`		`- return self(inputs, initialState: cell.zeroState.withoutDerivative())`
	`267`	`+ return self(inputs, initialState: Swift.withoutDerivative(at: cell.zeroState, in: { $0 }))`
`268`	`268`	`}`
`269`	`269`
`270`	`270`	`/* TODO: Uncomment once control flow and differentiation through force unwrapping is supported.`