/*
* Copyright (C) 2008-2015 by Holger Arndt
*
* This file is part of the Universal Java Matrix Package (UJMP).
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership and licensing.
*
* UJMP is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* UJMP is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with UJMP; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
package org.ujmp.core.calculation;
import java.math.BigDecimal;
import org.ujmp.core.DenseMatrix;
import org.ujmp.core.DenseMatrix2D;
import org.ujmp.core.Matrix;
import org.ujmp.core.SparseMatrix;
import org.ujmp.core.doublematrix.DenseDoubleMatrix2D;
import org.ujmp.core.interfaces.HasColumnMajorDoubleArray1D;
import org.ujmp.core.interfaces.HasRowMajorDoubleArray2D;
import org.ujmp.core.mapmatrix.MapMatrix;
import org.ujmp.core.util.MathUtil;
import org.ujmp.core.util.UJMPSettings;
import org.ujmp.core.util.VerifyUtil;
import org.ujmp.core.util.concurrent.PForEquidistant;
public class PlusMatrix {
public static final PlusMatrixCalculation MATRIX = new PlusMatrixMatrix();
public static final PlusMatrixCalculation DENSEMATRIX = new PlusMatrixDenseMatrix();
public static final PlusMatrixCalculation DENSEMATRIX2D = new PlusMatrixDenseMatrix2D();
public static final PlusMatrixCalculation DENSEDOUBLEMATRIX2D = new PlusMatrixDenseDoubleMatrix2D();
public static final PlusMatrixCalculation SPARSEMATRIX = new PlusMatrixSparseMatrix();
}
class PlusMatrixMatrix implements PlusMatrixCalculation {
public final void calc(final Matrix source1, final Matrix source2, final Matrix target) {
if (source1 instanceof DenseDoubleMatrix2D && source2 instanceof DenseDoubleMatrix2D
&& target instanceof DenseDoubleMatrix2D) {
PlusMatrix.DENSEDOUBLEMATRIX2D.calc((DenseDoubleMatrix2D) source1,
(DenseDoubleMatrix2D) source2, (DenseDoubleMatrix2D) target);
} else if (source1 instanceof DenseMatrix2D && source2 instanceof DenseMatrix2D
&& target instanceof DenseMatrix2D) {
PlusMatrix.DENSEMATRIX2D.calc((DenseMatrix2D) source1, (DenseMatrix2D) source2,
(DenseMatrix2D) target);
} else if (source1 instanceof DenseMatrix && source2 instanceof DenseMatrix
&& target instanceof DenseMatrix) {
PlusMatrix.DENSEMATRIX.calc((DenseMatrix) source1, (DenseMatrix) source2,
(DenseMatrix) target);
} else if (source1 instanceof SparseMatrix && source2 instanceof SparseMatrix
&& target instanceof SparseMatrix) {
PlusMatrix.SPARSEMATRIX.calc((SparseMatrix) source1, (SparseMatrix) source2,
(SparseMatrix) target);
} else {
VerifyUtil.verifySameSize(source1, source2, target);
for (long[] c : source1.allCoordinates()) {
BigDecimal v1 = source1.getAsBigDecimal(c);
BigDecimal v2 = source2.getAsBigDecimal(c);
BigDecimal result = MathUtil.plus(v1, v2);
target.setAsBigDecimal(result, c);
}
if (source1 != target) {
MapMatrix a = source1.getMetaData();
if (a != null) {
target.setMetaData(a.clone());
}
}
}
}
};
class PlusMatrixDenseMatrix implements PlusMatrixCalculation {
public final void calc(final DenseMatrix source1, final DenseMatrix source2,
final DenseMatrix target) {
if (source1 instanceof DenseMatrix2D && source2 instanceof DenseMatrix2D
&& target instanceof DenseMatrix2D) {
PlusMatrix.DENSEMATRIX2D.calc((DenseMatrix2D) source1, (DenseMatrix2D) source2,
(DenseMatrix2D) target);
} else {
VerifyUtil.verifySameSize(source1, source2, target);
for (long[] c : source1.allCoordinates()) {
BigDecimal v1 = source1.getAsBigDecimal(c);
BigDecimal v2 = source2.getAsBigDecimal(c);
BigDecimal result = MathUtil.plus(v1, v2);
target.setAsBigDecimal(result, c);
}
if (source1 != target) {
MapMatrix a = source1.getMetaData();
if (a != null) {
target.setMetaData(a.clone());
}
}
}
}
};
class PlusMatrixSparseMatrix implements
PlusMatrixCalculation {
public final void calc(final SparseMatrix source1, final SparseMatrix source2,
final SparseMatrix target) {
VerifyUtil.verifySameSize(source1, source2, target);
// copy all elements in source1 to target
for (long[] c : source1.availableCoordinates()) {
BigDecimal svalue = source1.getAsBigDecimal(c);
target.setAsBigDecimal(svalue, c);
}
// calculate sum with source2
for (long[] c : source2.availableCoordinates()) {
BigDecimal v1 = target.getAsBigDecimal(c);
BigDecimal v2 = source2.getAsBigDecimal(c);
BigDecimal result = MathUtil.plus(v1, v2);
target.setAsBigDecimal(result, c);
}
if (source1 != target) {
MapMatrix a = source1.getMetaData();
if (a != null) {
target.setMetaData(a.clone());
}
}
}
};
class PlusMatrixDenseMatrix2D implements
PlusMatrixCalculation {
public final void calc(final DenseMatrix2D source1, final DenseMatrix2D source2,
final DenseMatrix2D target) {
if (source1 instanceof DenseDoubleMatrix2D && source2 instanceof DenseDoubleMatrix2D
&& target instanceof DenseDoubleMatrix2D) {
PlusMatrix.DENSEDOUBLEMATRIX2D.calc((DenseDoubleMatrix2D) source1,
(DenseDoubleMatrix2D) source2, (DenseDoubleMatrix2D) target);
} else {
VerifyUtil.verifySameSize(source1, source2, target);
for (int r = (int) source1.getRowCount(); --r != -1;) {
for (int c = (int) source1.getColumnCount(); --c != -1;) {
BigDecimal v1 = source1.getAsBigDecimal(r, c);
BigDecimal v2 = source2.getAsBigDecimal(r, c);
BigDecimal result = MathUtil.plus(v1, v2);
target.setAsBigDecimal(result, r, c);
}
}
if (source1 != target) {
MapMatrix a = source1.getMetaData();
if (a != null) {
target.setMetaData(a.clone());
}
}
}
}
};
class PlusMatrixDenseDoubleMatrix2D implements
PlusMatrixCalculation {
public final void calc(final DenseDoubleMatrix2D source1, final DenseDoubleMatrix2D source2,
final DenseDoubleMatrix2D target) {
if (source1 instanceof HasColumnMajorDoubleArray1D
&& source2 instanceof HasColumnMajorDoubleArray1D
&& target instanceof HasColumnMajorDoubleArray1D) {
calc(((HasColumnMajorDoubleArray1D) source1).getColumnMajorDoubleArray1D(),
((HasColumnMajorDoubleArray1D) source2).getColumnMajorDoubleArray1D(),
((HasColumnMajorDoubleArray1D) target).getColumnMajorDoubleArray1D());
} else if (source1 instanceof HasRowMajorDoubleArray2D
&& source2 instanceof HasRowMajorDoubleArray2D
&& target instanceof HasRowMajorDoubleArray2D) {
calc(((HasRowMajorDoubleArray2D) source1).getRowMajorDoubleArray2D(),
((HasRowMajorDoubleArray2D) source2).getRowMajorDoubleArray2D(),
((HasRowMajorDoubleArray2D) target).getRowMajorDoubleArray2D());
} else {
VerifyUtil.verifySameSize(source1, source2, target);
for (int r = (int) source1.getRowCount(); --r != -1;) {
for (int c = (int) source1.getColumnCount(); --c != -1;) {
target.setDouble(source1.getDouble(r, c) + source2.getDouble(r, c), r, c);
}
}
}
if (source1 != target) {
MapMatrix a = source1.getMetaData();
if (a != null) {
target.setMetaData(a.clone());
}
}
}
private final void calc(final double[][] source1, final double[][] source2,
final double[][] target) {
VerifyUtil.verifySameSize(source1, source2, target);
final int rows = source1.length;
final int cols = source1[0].length;
if (UJMPSettings.getInstance().getNumberOfThreads() > 1 && rows >= 100 && cols >= 100) {
new PForEquidistant(0, rows - 1) {
public void step(int i) {
double[] v1 = source1[i];
double[] v2 = source2[i];
double[] t = target[i];
for (int c = 0; c < cols; c++) {
t[c] = v1[c] + v2[c];
}
}
};
} else {
double[] v1 = null;
double[] v2 = null;
double[] t = null;
for (int r = 0; r < rows; r++) {
v1 = source1[r];
v2 = source2[r];
t = target[r];
for (int c = 0; c < cols; c++) {
t[c] = v1[c] + v2[c];
}
}
}
}
private final void calc(final double[] source1, final double[] source2, final double[] target) {
VerifyUtil.verifySameSize(source1, source2, target);
final int length = source1.length;
for (int i = 0; i < length; i++) {
target[i] = source1[i] + source2[i];
}
}
};
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