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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 function integration by using Romberg's method and Upper Square Root Mid-Point
22   * Quadrature when upper integration bound lies at a function singularity.
23   *
24   * @see UpperSquareRootMidPointQuadrature
25   */
26  public class RombergUpperSquareRootMidPointQuadratureMatrixIntegrator
27          extends RombergMatrixIntegrator<UpperSquareRootMidPointMatrixQuadrature> {
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 RombergUpperSquareRootMidPointQuadratureMatrixIntegrator(
40              final double a, final double b, final MatrixSingleDimensionFunctionEvaluatorListener listener,
41              final double eps) throws WrongSizeException {
42          super(new UpperSquareRootMidPointMatrixQuadrature(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 RombergUpperSquareRootMidPointQuadratureMatrixIntegrator(
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.UPPER_SQUARE_ROOT_MID_POINT;
67      }
68  }