1 files changed, 72 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/geometry/euclidean/oned/SubOrientedPoint.java b/src/main/java/org/apache/commons/math3/geometry/euclidean/oned/SubOrientedPoint.java
new file mode 100644
index 0000000..a0288bb
--- /dev/null
+++ b/src/main/java/org/apache/commons/math3/geometry/euclidean/oned/SubOrientedPoint.java
@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.math3.geometry.euclidean.oned;
+
+import org.apache.commons.math3.geometry.partitioning.AbstractSubHyperplane;
+import org.apache.commons.math3.geometry.partitioning.Hyperplane;
+import org.apache.commons.math3.geometry.partitioning.Region;
+
+/** This class represents sub-hyperplane for {@link OrientedPoint}.
+ * <p>An hyperplane in 1D is a simple point, its orientation being a
+ * boolean.</p>
+ * <p>Instances of this class are guaranteed to be immutable.</p>
+ * @since 3.0
+ */
+public class SubOrientedPoint extends AbstractSubHyperplane<Euclidean1D, Euclidean1D> {
+
+    /** Simple constructor.
+     * @param hyperplane underlying hyperplane
+     * @param remainingRegion remaining region of the hyperplane
+     */
+    public SubOrientedPoint(final Hyperplane<Euclidean1D> hyperplane,
+                            final Region<Euclidean1D> remainingRegion) {
+        super(hyperplane, remainingRegion);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public double getSize() {
+        return 0;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public boolean isEmpty() {
+        return false;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    protected AbstractSubHyperplane<Euclidean1D, Euclidean1D> buildNew(final Hyperplane<Euclidean1D> hyperplane,
+                                                                       final Region<Euclidean1D> remainingRegion) {
+        return new SubOrientedPoint(hyperplane, remainingRegion);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public SplitSubHyperplane<Euclidean1D> split(final Hyperplane<Euclidean1D> hyperplane) {
+        final double global = hyperplane.getOffset(((OrientedPoint) getHyperplane()).getLocation());
+        if (global < -1.0e-10) {
+            return new SplitSubHyperplane<Euclidean1D>(null, this);
+        } else if (global > 1.0e-10) {
+            return new SplitSubHyperplane<Euclidean1D>(this, null);
+        } else {
+            return new SplitSubHyperplane<Euclidean1D>(null, null);
+        }
+    }
+
+}