Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/Distance.java @ 3246:229e9b27ce15
New Distance helper module.
flys-artifacts/trunk@4879 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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| date | Fri, 06 Jul 2012 09:34:51 +0000 |
| parents | |
| children |
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| 3245:dd3ddc8ecb14 | 3246:229e9b27ce15 |
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| 1 package de.intevation.flys.artifacts.math; | |
| 2 | |
| 3 /** Helper to calculate distance(s). */ | |
| 4 public final class Distance { | |
| 5 /** Return distance between two values. */ | |
| 6 public static double distance(double a, double b) { | |
| 7 return Math.abs(a - b); | |
| 8 } | |
| 9 | |
| 10 /** Return whether a and be are within a certain distance. */ | |
| 11 public static boolean within(double a, double b, double threshold) { | |
| 12 return distance(a, b) <= threshold; | |
| 13 } | |
| 14 } | |
| 15 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |