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The Apache Commons Math project is a library of lightweight, self-contained mathematics and statistics components addressing the most common practical problems not immediately available in the Java programming language or commons-lang.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.math3.linear;


/**
 * Interface defining very basic matrix operations.
 * @version $Id: AnyMatrix.java 1244107 2012-02-14 16:17:55Z erans $
 * @since 2.0
 */
public interface AnyMatrix {

    /**
     * Is this a square matrix?
     * @return true if the matrix is square (rowDimension = columnDimension)
     */
    boolean isSquare();

    /**
     * Returns the number of rows in the matrix.
     *
     * @return rowDimension
     */
    int getRowDimension();

    /**
     * Returns the number of columns in the matrix.
     *
     * @return columnDimension
     */
    int getColumnDimension();

}