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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.math.linear;
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import org.apache.commons.math.FieldElement;
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* Default implementation of the {@link FieldMatrixPreservingVisitor} interface.
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* This class is a convenience to create custom visitors without defining all
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* methods. This class provides default implementations that do nothing.
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* @param <T> the type of the field elements
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* @version $Revision: 778191 $ $Date: 2009-05-24 12:44:52 -0400 (Sun, 24 May 2009) $
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public class DefaultFieldMatrixPreservingVisitor<T extends FieldElement<T>>
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implements FieldMatrixPreservingVisitor<T> {
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/** Zero element of the field. */
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/** Build a new instance.
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* @param zero additive identity of the field
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public DefaultFieldMatrixPreservingVisitor(final T zero) {
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public void start(int rows, int columns,
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int startRow, int endRow, int startColumn, int endColumn) {
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public void visit(int row, int column, T value)
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throws MatrixVisitorException {