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 Lower Square Root Mid-Point
22 * Quadrature when lower integration bound lies at a function singularity.
23 *
24 * @see LowerSquareRootMidPointQuadrature
25 */
26 public class RombergLowerSquareRootMidPointQuadratureIntegrator
27 extends RombergIntegrator<LowerSquareRootMidPointQuadrature> {
28
29 /**
30 * Constructor.
31 *
32 * @param a Lower limit of integration.
33 * @param b Upper limit of integration.
34 * @param listener listener to evaluate a single dimension function at required points.
35 * @param eps required accuracy.
36 */
37 public RombergLowerSquareRootMidPointQuadratureIntegrator(
38 final double a, final double b, final SingleDimensionFunctionEvaluatorListener listener, final double eps) {
39 super(new LowerSquareRootMidPointQuadrature(a, b, listener), eps);
40 }
41
42 /**
43 * Constructor with default accuracy.
44 *
45 * @param a Lower limit of integration.
46 * @param b Upper limit of integration.
47 * @param listener listener to evaluate a single dimension function at required points.
48 */
49 public RombergLowerSquareRootMidPointQuadratureIntegrator(
50 final double a, final double b, final SingleDimensionFunctionEvaluatorListener listener) {
51 this(a, b, listener, EPS);
52 }
53
54 /**
55 * Gets type of quadrature.
56 *
57 * @return type of quadrature.
58 */
59 @Override
60 public QuadratureType getQuadratureType() {
61 return QuadratureType.LOWER_SQUARE_ROOT_MID_POINT;
62 }
63 }