1 /*
2 * Licensed to the Hipparchus project under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The Hipparchus project licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.hipparchus.analysis.interpolation;
18
19 import org.hipparchus.exception.MathIllegalArgumentException;
20
21 /**
22 * Interpolate grid data using bi-linear interpolation.
23 * @since 1.4
24 */
25 public class BilinearInterpolator implements BivariateGridInterpolator {
26
27 /** Empty constructor.
28 * <p>
29 * This constructor is not strictly necessary, but it prevents spurious
30 * javadoc warnings with JDK 18 and later.
31 * </p>
32 * @since 3.0
33 */
34 public BilinearInterpolator() { // NOPMD - unnecessary constructor added intentionally to make javadoc happy
35 // nothing to do
36 }
37
38 /** {@inheritDoc} */
39 @Override
40 public BilinearInterpolatingFunction interpolate(final double[] xval, final double[] yval,
41 final double[][] fval)
42 throws MathIllegalArgumentException {
43 return new BilinearInterpolatingFunction(xval, yval, fval);
44 }
45
46 }