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.algebra.WrongSizeException;
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 LowerSquareRootMidPointMatrixQuadrature
25 */
26 public class RombergLowerSquareRootMidPointQuadratureMatrixIntegrator
27 extends RombergMatrixIntegrator<LowerSquareRootMidPointMatrixQuadrature> {
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 matrix (multivariate) function at
35 * required points.
36 * @param eps required accuracy.
37 * @throws WrongSizeException if size notified by provided listener is invalid.
38 */
39 public RombergLowerSquareRootMidPointQuadratureMatrixIntegrator(
40 final double a, final double b, final MatrixSingleDimensionFunctionEvaluatorListener listener,
41 final double eps) throws WrongSizeException {
42 super(new LowerSquareRootMidPointMatrixQuadrature(a, b, listener), eps);
43 }
44
45 /**
46 * Constructor with default accuracy.
47 *
48 * @param a Lower limit of integration.
49 * @param b Upper limit of integration.
50 * @param listener listener to evaluate a single dimension function at required points.
51 * @throws WrongSizeException if size notified by provided listener is invalid.
52 */
53 public RombergLowerSquareRootMidPointQuadratureMatrixIntegrator(
54 final double a, final double b, final MatrixSingleDimensionFunctionEvaluatorListener listener)
55 throws WrongSizeException {
56 this(a, b, listener, EPS);
57 }
58
59 /**
60 * Gets type of quadrature.
61 *
62 * @return type of quadrature.
63 */
64 @Override
65 public QuadratureType getQuadratureType() {
66 return QuadratureType.LOWER_SQUARE_ROOT_MID_POINT;
67 }
68 }