Mercurial > dive4elements > river
diff flys-backend/src/main/java/de/intevation/flys/importer/parsers/tim/EpsilonComparator.java @ 4732:7fdddc6ba296
Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
| author | Sascha Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Fri, 28 Dec 2012 15:01:12 +0100 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-backend/src/main/java/de/intevation/flys/importer/parsers/tim/EpsilonComparator.java Fri Dec 28 15:01:12 2012 +0100 @@ -0,0 +1,25 @@ +package de.intevation.flys.importer.parsers.tim; + +import java.util.Comparator; + +public class EpsilonComparator implements Comparator<Double> +{ + public static final double EPSILON = 1e-4; + + public static final EpsilonComparator CMP = new EpsilonComparator(EPSILON); + + private double epsilon; + + public EpsilonComparator(double epsilon) { + this.epsilon = epsilon; + } + + @Override + public int compare(Double a, Double b) { + double diff = a - b; + if (diff < -epsilon) return -1; + if (diff > epsilon) return +1; + return 0; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :