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 package org.hipparchus.analysis;
23
24
25 /**
26 * Wrapper class for counting functions calls.
27 *
28 */
29 public class MonitoredFunction implements UnivariateFunction {
30
31 public MonitoredFunction(UnivariateFunction f) {
32 callsCount = 0;
33 this.f = f;
34 }
35
36 public void setCallsCount(int callsCount) {
37 this.callsCount = callsCount;
38 }
39
40 public int getCallsCount() {
41 return callsCount;
42 }
43
44 @Override
45 public double value(double x) {
46 ++callsCount;
47 return f.value(x);
48 }
49
50 private int callsCount;
51 private final UnivariateFunction f;
52
53 }