# HG changeset patch
# User Sascha L. Teichmann <teichmann@intevation.de>
# Date 1350429139 -7200
# Node ID 2b4f78ccfbaa93c687090f26d44853a1cb01b7e1
# Parent  debd1a706469f3e7f3b84f35e6ef251d846184ee
Made DoubleUtil.explode() more robust against invalid result array sizes.

diff -r debd1a706469 -r 2b4f78ccfbaa flys-artifacts/ChangeLog
--- a/flys-artifacts/ChangeLog	Tue Oct 16 18:52:11 2012 +0200
+++ b/flys-artifacts/ChangeLog	Wed Oct 17 01:12:19 2012 +0200
@@ -1,3 +1,10 @@
+2012-10-17	Sascha L. Teichmann	<sascha.teichmann@intevation.de>
+
+	* src/main/java/de/intevation/flys/utils/DoubleUtil.java(explode):
+	  Return empty double array if we are up to create a negative
+	  result array. This should fix some problems in
+	  "Fixierungsanalyse/Auslagerung von Wasserspiegellagen".
+
 2012-10-16	Björn Ricks	<bjoern.ricks@intevation.de>
 
 	* doc/conf/default-themes.xml,
diff -r debd1a706469 -r 2b4f78ccfbaa flys-artifacts/src/main/java/de/intevation/flys/utils/DoubleUtil.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/utils/DoubleUtil.java	Tue Oct 16 18:52:11 2012 +0200
+++ b/flys-artifacts/src/main/java/de/intevation/flys/utils/DoubleUtil.java	Wed Oct 17 01:12:19 2012 +0200
@@ -43,6 +43,10 @@
         double tmp  = diff / step;
         int    num = (int)Math.abs(Math.ceil(tmp)) + 1;
 
+        if (num < 1) {
+            return new double[0];
+        }
+
         double [] values = new double[num];
 
         if (from > to) {