Modified FeedForward to allow set activation to whole Layer and added XOR test for FF

src/NeuralNetwork/FeedForward/Network.cpp

@@ -9,16 +9,16 @@ std::vector<float> NeuralNetwork::FeedForward::Network::computeOutput(const std:
 
 	// 0 is bias
 	partial1[0]=1.0;
-	for(int i=0;i<input.size();i++) {
+	for(std::size_t i=0;i<input.size();i++) {
 		partial1[i+1]=input[i];
 	}
 
 	for(std::size_t i=1;i<layers.size();i++) {
-		layers[i].solve(*partialInputPtr,*partialOutputPtr);
+		layers[i]->solve(*partialInputPtr,*partialOutputPtr);
 		std::swap(partialInputPtr,partialOutputPtr);
 	}
 
-	for(int i=0;i<partialInputPtr->size()-1;i++) {
+	for(std::size_t i=0;i<partialInputPtr->size()-1;i++) {
 		partialInputPtr->operator[](i)=partialInputPtr->operator[](i+1);
 	}