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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.numerical.SingleDimensionFunctionEvaluatorListener;
19  
20  /**
21   * Computes function integration by using Mid-Point quadrature up to desired accuracy.
22   */
23  public class MidPointQuadratureIntegrator extends QuadratureIntegrator<MidPointQuadrature> {
24  
25      /**
26       * Constructor.
27       *
28       * @param a        Lower limit of integration.
29       * @param b        Upper limit of integration.
30       * @param listener listener to evaluate a single dimension function at required points.
31       * @param eps      required accuracy.
32       */
33      public MidPointQuadratureIntegrator(
34              final double a, final double b, final SingleDimensionFunctionEvaluatorListener listener, final double eps) {
35          super(new MidPointQuadrature(a, b, listener), eps);
36      }
37  
38      /**
39       * Constructor with default accuracy.
40       *
41       * @param a        Lower limit of integration.
42       * @param b        Upper limit of integration.
43       * @param listener listener to evaluate a single dimension function at required points.
44       */
45      public MidPointQuadratureIntegrator(
46              final double a, final double b, final SingleDimensionFunctionEvaluatorListener listener) {
47          this(a, b, listener, EPS);
48      }
49  
50      /**
51       * Gets type of quadrature.
52       *
53       * @return type of quadrature.
54       */
55      @Override
56      public QuadratureType getQuadratureType() {
57          return QuadratureType.MID_POINT;
58      }
59  }