Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/math/LinearFilterFunction.java @ 6955:94cb1845c667
(issue1452) Coalesce to zero to avoid NaN arithmetic.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Fri, 30 Aug 2013 15:45:14 +0200 |
parents | af13ceeba52a |
children |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.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; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :