/// <summary>
/// Creates an instance of input function with specified weights and summing function
/// </summary>
/// <param name="weightsFunction">function performs some operation on input and weight vector</param>
/// <param name="summingFunction">function transforms output from VectorFunction to scalar</param>
public InputFunction(WeightsFunction weightsFunction, SummingFunction summingFunction)
{
this.weightsFunction = weightsFunction;
this.summingFunction = summingFunction;
}
/// <summary>
/// Creates an instance of WeightedSum input function by default.
/// </summary>
public InputFunction()
{
this.weightsFunction = new WeightedInput();
this.summingFunction = new Sum();
}