1 /*
2 * Copyright (C) 2023 Alberto Irurueta Carro (alberto@irurueta.com)
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package com.irurueta.numerical.integration;
17
18 import com.irurueta.numerical.SingleDimensionFunctionEvaluatorListener;
19
20 /**
21 * Computes function integration by using Romberg's method and Mid-Point Quadrature.
22 * Mid-point algorithm is suitable for improper integrations.
23 *
24 * @see MidPointQuadrature
25 */
26 public class RombergMidPointQuadratureIntegrator extends RombergIntegrator<MidPointQuadrature> {
27
28 /**
29 * Constructor.
30 *
31 * @param a Lower limit of integration.
32 * @param b Upper limit of integration.
33 * @param listener listener to evaluate a single dimension function at required points.
34 * @param eps required accuracy.
35 */
36 public RombergMidPointQuadratureIntegrator(
37 final double a, final double b, final SingleDimensionFunctionEvaluatorListener listener, final double eps) {
38 super(new MidPointQuadrature(a, b, listener), eps);
39 }
40
41 /**
42 * Constructor with default accuracy.
43 *
44 * @param a Lower limit of integration.
45 * @param b Upper limit of integration.
46 * @param listener listener to evaluate a single dimension function at required points.
47 */
48 public RombergMidPointQuadratureIntegrator(
49 final double a, final double b, final SingleDimensionFunctionEvaluatorListener listener) {
50 this(a, b, listener, EPS);
51 }
52
53 /**
54 * Gets type of quadrature.
55 *
56 * @return type of quadrature.
57 */
58 @Override
59 public QuadratureType getQuadratureType() {
60 return QuadratureType.MID_POINT;
61 }
62 }