Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/math/Distance.java @ 8747:e9d912c97fa8
We expect that every river has only one RiverAxis of kind 1
This allowed to reduce code duplication and some cleanups.
author | Tom Gottfried <tom@intevation.de> |
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date | Fri, 05 Jun 2015 16:56:47 +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; /** 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 :