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/*
* 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);
}
}
}
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