package de.intevation.flys.artifacts.math;

public class LinearFilterFunction
extends      FilterFunction
{
    protected double m;
    protected double b;

    public LinearFilterFunction(double m, double b) {
        this(Identity.IDENTITY, m, b);
    }

    public LinearFilterFunction(Function parent, double m, double b) {
        super(parent);
        this.m = m;
        this.b = b;
    }

    @Override
    public double value(double x) {
        return super.value(x)*m + b;
    }
}
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