Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/math/Distance.java @ 8636:7d1a32a543cb
(issue1755) Extend validation to allow localized error messages.
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Fri, 27 Mar 2015 16:54:56 +0100 |
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; /** Helper to calculate distance(s). */ public final class Distance { /** Return distance between two values. */ public static double distance(double a, double b) { return Math.abs(a - b); } /** Return whether a and be are within a certain distance. */ public static boolean within(double a, double b, double threshold) { return distance(a, b) <= threshold; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :