001 /* 002 * Copyright (C) 2008-2010 by Holger Arndt 003 * 004 * This file is part of the Universal Java Matrix Package (UJMP). 005 * See the NOTICE file distributed with this work for additional 006 * information regarding copyright ownership and licensing. 007 * 008 * UJMP is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation; either version 2 011 * of the License, or (at your option) any later version. 012 * 013 * UJMP is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public 019 * License along with UJMP; if not, write to the 020 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 021 * Boston, MA 02110-1301 USA 022 */ 023 024 package org.ujmp.core.doublematrix.calculation.entrywise.creators; 025 026 import org.ujmp.core.Matrix; 027 import org.ujmp.core.MatrixFactory; 028 import org.ujmp.core.doublematrix.calculation.AbstractDoubleCalculation; 029 import org.ujmp.core.enums.ValueType; 030 import org.ujmp.core.exceptions.MatrixException; 031 032 public class Ones extends AbstractDoubleCalculation { 033 private static final long serialVersionUID = 2547827499345834225L; 034 035 public Ones(Matrix matrix) { 036 super(matrix); 037 } 038 039 public double getDouble(long... coordinates) { 040 return 1.0; 041 } 042 043 public static Matrix calc(Matrix source) throws MatrixException { 044 Matrix ret = Matrix.factory.zeros(source.getSize()); 045 for (long[] c : source.allCoordinates()) { 046 ret.setAsDouble(1.0, c); 047 } 048 return ret; 049 } 050 051 public static Matrix calc(long... size) throws MatrixException { 052 return calc(ValueType.DOUBLE, size); 053 } 054 055 public static Matrix calc(ValueType valueType, long... size) throws MatrixException { 056 Matrix ret = MatrixFactory.zeros(valueType, size); 057 for (long[] c : ret.allCoordinates()) { 058 ret.setAsDouble(1.0, c); 059 } 060 return ret; 061 } 062 }