public ActivationLayerBackwardCompute(ActivationLayerForwardCompute forwardCompute, ConnectedLayer connectedLayer)
: base(forwardCompute, connectedLayer)
{
Contract.Requires(forwardCompute != null);
Contract.Requires(connectedLayer != null);
Contract.Requires((connectedLayer.StructuralElementFlags & NNStructuralElement.BackwardImplementation) != 0 &&
(connectedLayer.StructuralElementFlags & NNStructuralElement.GradientInformation) != 0);
Function = forwardCompute.Function;
}
private LayerForwardCompute CreateLayerForwardCompute(ConnectedLayer clayer, CPUNNInitParameters initPars)
{
LayerForwardCompute result = null;
if (clayer.Layer is ActivationLayer)
{
result = new ActivationLayerForwardCompute(clayer);
}
if (result == null) throw new InvalidOperationException("Cannot build CPU Neural Network, because '" + clayer.Layer.GetType().FullName + "' layer type is unknown.");
result.RunParallel = initPars.RunParallel;
return result;
}