--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/utils/DoubleUtil.java	Sun Jun 05 18:24:46 2011 +0000
@@ -0,0 +1,48 @@
+package de.intevation.flys.utils;
+
+public class DoubleUtil
+{
+    public static final double DEFAULT_STEP_PRECISION = 1e6;
+
+    private DoubleUtil() {
+    }
+
+    public static final double [] explode(double from, double to, double step) {
+        return explode(from, to, step, DEFAULT_STEP_PRECISION);
+    }
+
+    public static final double round(double x, double precision) {
+        return Math.round(x * precision)/precision;
+    }
+
+    public static final double round(double x) {
+        return Math.round(x * DEFAULT_STEP_PRECISION)/DEFAULT_STEP_PRECISION;
+    }
+
+    public static final double [] explode(
+        double from,
+        double to,
+        double step,
+        double precision
+    ) {
+        double lower = from;
+
+        double diff = to - from;
+        double tmp  = diff / step;
+        int    num = (int)Math.abs(Math.ceil(tmp)) + 1;
+
+        double [] values = new double[num];
+
+        if (from > to) {
+            step = -step;
+        }
+
+        for (int idx = 0; idx < num; idx++) {
+            values[idx] = round(lower, precision);
+            lower      += step;
+        }
+
+        return values;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :