1 /*
2 * Licensed to the Apache Software Foundation (ASF) 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 ASF 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
18 /*
19 * This is not the original file distributed by the Apache Software Foundation
20 * It has been modified by the Hipparchus project
21 */
22
23 package org.hipparchus.analysis.function;
24
25 import org.hipparchus.analysis.UnivariateFunction;
26 import org.hipparchus.util.FastMath;
27
28 /**
29 * {@code ulp} function.
30 *
31 */
32 public class Ulp implements UnivariateFunction {
33
34 /** Empty constructor.
35 * <p>
36 * This constructor is not strictly necessary, but it prevents spurious
37 * javadoc warnings with JDK 18 and later.
38 * </p>
39 * @since 3.0
40 */
41 public Ulp() { // NOPMD - unnecessary constructor added intentionally to make javadoc happy
42 // nothing to do
43 }
44
45 /** {@inheritDoc} */
46 @Override
47 public double value(double x) {
48 return FastMath.ulp(x);
49 }
50
51 }