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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 single dimension matrix (multivariate) function integration by using Mid-Point
22   * quadrature up to desired accuracy.
23   */
24  public class MidPointQuadratureMatrixIntegrator extends QuadratureMatrixIntegrator<MidPointMatrixQuadrature> {
25  
26      /**
27       * Constructor.
28       *
29       * @param a        Lower limit of integration.
30       * @param b        Upper limit of integration.
31       * @param listener listener to evaluate a single dimension matrix (multivariate) function at
32       *                 required points.
33       * @param eps      required accuracy.
34       * @throws WrongSizeException if size notified by provided listener is invalid.
35       */
36      public MidPointQuadratureMatrixIntegrator(
37              final double a, final double b, final MatrixSingleDimensionFunctionEvaluatorListener listener,
38              final double eps) throws WrongSizeException {
39          super(new MidPointMatrixQuadrature(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       * @throws WrongSizeException if size notified by provided listener is invalid.
49       */
50      public MidPointQuadratureMatrixIntegrator(
51              final double a, final double b, final MatrixSingleDimensionFunctionEvaluatorListener listener)
52              throws WrongSizeException {
53          this(a, b, listener, EPS);
54      }
55  
56      /**
57       * Gets type of quadrature.
58       *
59       * @return type of quadrature.
60       */
61      @Override
62      public QuadratureType getQuadratureType() {
63          return QuadratureType.MID_POINT;
64      }
65  }