/*
* Encog(tm) Core v3.4 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2016 Heaton Research, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.neural.freeform;
import java.util.List;
import org.encog.engine.network.activation.ActivationFunction;
/**
* Specifies how the inputs to a neuron are to be summed.
*/
public interface InputSummation {
/**
* Add an input connection.
* @param connection The connection to add.
*/
void add(FreeformConnection connection);
/**
* Perform the summation, and apply the activation function.
* @return The sum.
*/
double calculate();
/**
* @return The activation function
*/
ActivationFunction getActivationFunction();
/**
* @return The preactivation sum.
*/
double getSum();
/**
* @return The input connections.
*/
List<FreeformConnection> list();
}