teichmann@5831: package org.dive4elements.river.artifacts.math;
sascha@2256: 
sascha@3076: public class LinearFilterFunction
sascha@2256: extends      FilterFunction
sascha@2256: {
sascha@2256:     protected double m;
sascha@2256:     protected double b;
sascha@2256: 
sascha@2256:     public LinearFilterFunction(double m, double b) {
sascha@2256:         this(Identity.IDENTITY, m, b);
sascha@2256:     }
sascha@2256: 
sascha@2256:     public LinearFilterFunction(Function parent, double m, double b) {
sascha@2256:         super(parent);
sascha@2256:         this.m = m;
sascha@2256:         this.b = b;
sascha@2256:     }
sascha@2256: 
sascha@2256:     @Override
sascha@2256:     public double value(double x) {
sascha@2256:         return super.value(x)*m + b;
sascha@2256:     }
sascha@2256: }
sascha@2256: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :