--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/WWQQ.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,99 @@
+package org.dive4elements.river.artifacts.model;
+
+import org.dive4elements.river.artifacts.math.Identity;
+
+import org.dive4elements.river.utils.DoubleUtil;
+
+import gnu.trove.TDoubleArrayList;
+
+public class WWQQ
+extends      WW
+{
+    public static class ApplyFunctionIterator
+    extends             WW.ApplyFunctionIterator
+    {
+        public ApplyFunctionIterator(WWQQ ww) {
+            super(ww, Identity.IDENTITY, Identity.IDENTITY);
+        }
+
+        @Override
+        public void get(int idx, double [] wwqqPair) {
+            WWQQ wwqq = (WWQQ)ww;
+            wwqqPair[0] = function1.value(wwqq.getW(idx));
+            wwqqPair[1] = function2.value(wwqq.getW2(idx));
+            wwqqPair[2] = wwqq.getQ1(idx);
+            wwqqPair[3] = wwqq.getQ2(idx);
+        }
+    } // class ApplyFunctionIterator
+
+    protected TDoubleArrayList qs1;
+    protected TDoubleArrayList qs2;
+
+    public WWQQ() {
+        this("");
+    }
+
+    public WWQQ(String name) {
+        super(name);
+    }
+
+    public WWQQ(int capacity) {
+        this(capacity, "");
+    }
+
+    public WWQQ(int capacity, String name) {
+        super(capacity, name);
+    }
+
+    public WWQQ(
+        String    name,
+        double    startKm,
+        Double    startDatum,
+        double [] ws1,
+        double [] qs1,
+        double    endKm,
+        Double    endDatum,
+        double [] ws2,
+        double [] qs2
+    ) {
+        super(name, startKm, startDatum, ws1, endKm, endDatum, ws2);
+        this.qs1 = new TDoubleArrayList(qs1);
+        this.qs2 = new TDoubleArrayList(qs2);
+    }
+
+    public double getQ1(int idx) {
+        return qs1.getQuick(idx);
+    }
+
+    public double getQ2(int idx) {
+        return qs2.getQuick(idx);
+    }
+
+    public double [] getQs1() {
+        return qs1.toNativeArray();
+    }
+
+    public double [] getQs2() {
+        return qs2.toNativeArray();
+    }
+
+    @Override
+    public double [] get(int idx) {
+        return get(idx, new double[4]);
+    }
+
+    @Override
+    public double [] get(int idx, double [] dst) {
+        dst[0] = ws .getQuick(idx);
+        dst[1] = ws2.getQuick(idx);
+        dst[2] = qs1.getQuick(idx);
+        dst[3] = qs2.getQuick(idx);
+        return dst;
+    }
+
+    @Override
+    public void removeNaNs() {
+        DoubleUtil.removeNaNs(new TDoubleArrayList [] { ws, ws2, qs1, qs2 });
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :