001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.math3.linear;
019
020
021/**
022 * Interface defining very basic matrix operations.
023 * @since 2.0
024 */
025public interface AnyMatrix {
026
027    /**
028     * Is this a square matrix?
029     * @return true if the matrix is square (rowDimension = columnDimension)
030     */
031    boolean isSquare();
032
033    /**
034     * Returns the number of rows in the matrix.
035     *
036     * @return rowDimension
037     */
038    int getRowDimension();
039
040    /**
041     * Returns the number of columns in the matrix.
042     *
043     * @return columnDimension
044     */
045    int getColumnDimension();
046
047}