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 Simpson's rule and Lower Square Root mid-point quadrature
22 * when lower integration bound lies at a function singularity.
23 */
24 public class SimpsonLowerSquareRootMidPointQuadratureMatrixIntegrator
25 extends SimpsonMatrixIntegrator<LowerSquareRootMidPointMatrixQuadrature> {
26
27 /**
28 * Constructor.
29 *
30 * @param a Lower limit of integration.
31 * @param b Upper limit of integration.
32 * @param listener listener to evaluate a single dimension matrix (multivariate) function at
33 * required points.
34 * @param eps required accuracy.
35 * @throws WrongSizeException if size notified by provided listener is invalid.
36 */
37 public SimpsonLowerSquareRootMidPointQuadratureMatrixIntegrator(
38 final double a, final double b, final MatrixSingleDimensionFunctionEvaluatorListener listener,
39 final double eps) throws WrongSizeException {
40 super(new LowerSquareRootMidPointMatrixQuadrature(a, b, listener), eps);
41 }
42
43 /**
44 * Constructor with default accuracy.
45 *
46 * @param a Lower limit of integration.
47 * @param b Upper limit of integration.
48 * @param listener listener to evaluate a single dimension function at required points.
49 * @throws WrongSizeException if size notified by provided listener is invalid.
50 */
51 public SimpsonLowerSquareRootMidPointQuadratureMatrixIntegrator(
52 final double a, final double b, final MatrixSingleDimensionFunctionEvaluatorListener listener)
53 throws WrongSizeException {
54 this(a, b, listener, EPS);
55 }
56
57 /**
58 * Gets type of quadrature.
59 *
60 * @return type of quadrature.
61 */
62 @Override
63 public QuadratureType getQuadratureType() {
64 return QuadratureType.LOWER_SQUARE_ROOT_MID_POINT;
65 }
66 }