1 /*
2 * Licensed to the Hipparchus project under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The Hipparchus project licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.hipparchus.linear;
19
20 import java.util.function.Predicate;
21
22 import org.hipparchus.FieldElement;
23
24 /** Matrix decomposer using LU-decomposition.
25 * @param <T> the type of the field elements
26 * @since 2.2
27 */
28 public class FieldLUDecomposer<T extends FieldElement<T>> implements FieldMatrixDecomposer<T> {
29
30 /** Checker for zero elements. */
31 private final Predicate<T> zeroChecker;
32
33 /**
34 * Creates a LU decomposer with specific zero checker for several matrices.
35 * @param zeroChecker checker for zero elements
36 */
37 public FieldLUDecomposer(final Predicate<T> zeroChecker) {
38 this.zeroChecker = zeroChecker;
39 }
40
41 /** {@inheritDoc} */
42 @Override
43 public FieldDecompositionSolver<T> decompose(final FieldMatrix<T> a) {
44 return new FieldLUDecomposition<>(a, zeroChecker).getSolver();
45 }
46
47 }