Add a 'clipped(min:max:)' method. (#198)

Author: Shashi456

Sources/TensorFlow/Operators/Basic.swift

@@ -575,6 +575,16 @@ public extension Tensor {
     }
 }
 
+public extension Tensor where Scalar: Numeric {
+    /// Returns a tensor by clipping scalars to a specified minimum and maximum.
+    // FIXME: Define a derivative function.
+    // @differentiable(wrt: self where Scalar: TensorFlowFloatingPoint)
+    @inlinable
+    func clipped(min: Tensor, max: Tensor) -> Tensor {
+        Raw.clipByValue(t: self, clipValueMin: min, clipValueMax: max)
+    }
+}
+
 //===------------------------------------------------------------------------------------------===//
 // Broadcasting
 //===------------------------------------------------------------------------------------------===//