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A comprehensive collection of matrix data structures, linear solvers, least squares methods,
eigenvalue, and singular value decompositions.
Forked from: https://github.com/fommil/matrix-toolkits-java
and added support for eigenvalue computation of general matrices
The newest version!
/*
* Copyright (C) 2003-2006 Bjørn-Ove Heimsund
*
* This file is part of MTJ.
*
* This library 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 2.1 of the License, or (at your
* option) any later version.
*
* This library 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 this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package no.uib.cipr.matrix.io;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Locale;
/**
* Writes matrices and vectors
*/
public class MatrixVectorWriter extends PrintWriter {
/**
* Constructor for MatrixVectorWriter
*
* @param out
*/
public MatrixVectorWriter(OutputStream out) {
super(out);
}
/**
* Constructor for MatrixVectorWriter
*
* @param out
* @param autoFlush
*/
public MatrixVectorWriter(OutputStream out, boolean autoFlush) {
super(out, autoFlush);
}
/**
* Constructor for MatrixVectorWriter
*
* @param out
*/
public MatrixVectorWriter(Writer out) {
super(out);
}
/**
* Constructor for MatrixVectorWriter
*
* @param out
* @param autoFlush
*/
public MatrixVectorWriter(Writer out, boolean autoFlush) {
super(out, autoFlush);
}
/**
* Shifts the indices. Useful for converting between 0- and 1-based
* indicing.
*
* @param num
* Added to every index
* @param indices
* Indices to shift
*/
public void add(int num, int[] indices) {
for (int i = 0; i < indices.length; ++i)
indices[i] += num;
}
/**
* Prints the matrix info
*/
public void printMatrixInfo(MatrixInfo info) {
print(info.toString());
}
/**
* Prints the vector info
*/
public void printVectorInfo(VectorInfo info) {
print(info.toString());
}
/**
* Prints the matrix size
*/
public void printMatrixSize(MatrixSize size, MatrixInfo info) {
format(Locale.ENGLISH, "%10d %10d", size.numRows(), size.numColumns());
if (info.isCoordinate())
format(Locale.ENGLISH, " %19d", size.numEntries());
println();
}
/**
* Prints the matrix size. Assumes coordinate format
*/
public void printMatrixSize(MatrixSize size) {
format(Locale.ENGLISH, "%10d %10d %19d%n", size.numRows(),
size.numColumns(), size.numEntries());
}
/**
* Prints the vector size
*/
public void printVectorSize(VectorSize size, VectorInfo info) {
format(Locale.ENGLISH, "%10d", size.size());
if (info.isCoordinate())
format(Locale.ENGLISH, " %19d", size.numEntries());
println();
}
/**
* Prints the vector size. Assumes coordinate format
*/
public void printVectorSize(VectorSize size) {
format(Locale.ENGLISH, "%10d %19d%n", size.size(), size.numEntries());
}
/**
* Prints an array to the underlying stream. One entry per line.
*/
public void printArray(float[] data) {
for (int i = 0; i < data.length; ++i)
format(Locale.ENGLISH, "% .12e%n", data[i]);
}
/**
* Prints an array to the underlying stream. One entry per line.
*/
public void printArray(double[] data) {
for (int i = 0; i < data.length; ++i)
format(Locale.ENGLISH, "% .12e%n", data[i]);
}
/**
* Prints an array to the underlying stream. One entry per line. The first
* array specifies the real entries, and the second is the imaginary entries
*/
public void printArray(float[] dataR, float[] dataI) {
int size = dataR.length;
if (size != dataI.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "% .12e % .12e%n", dataR[i], dataI[i]);
}
/**
* Prints an array to the underlying stream. One entry per line. The first
* array specifies the real entries, and the second is the imaginary entries
*/
public void printArray(double[] dataR, double[] dataI) {
int size = dataR.length;
if (size != dataI.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "% .12e % .12e%n", dataR[i], dataI[i]);
}
/**
* Prints an array to the underlying stream. One entry per line.
*/
public void printArray(int[] data) {
for (int i = 0; i < data.length; ++i)
format(Locale.ENGLISH, "%10d%n", data[i]);
}
/**
* Prints an array to the underlying stream. One entry per line.
*/
public void printArray(long[] data) {
for (int i = 0; i < data.length; ++i)
format(Locale.ENGLISH, "%10d%n", data[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line. The offset is added to the index, typically, this can
* transform from a 0-based indicing to a 1-based.
*/
public void printCoordinate(int[] index, float[] data, int offset) {
int size = index.length;
if (size != data.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d % .12e%n", index[i] + offset, data[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line. The offset is added to the index, typically, this can
* transform from a 0-based indicing to a 1-based.
*/
public void printCoordinate(int[] index, double[] data, int offset) {
int size = index.length;
if (size != data.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d % .12e%n", index[i] + offset, data[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line. The offset is added to the index, typically, this can
* transform from a 0-based indicing to a 1-based.
*/
public void printCoordinate(int[] index, int[] data, int offset) {
int size = index.length;
if (size != data.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d%n", index[i] + offset, data[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line. The offset is added to the index, typically, this can
* transform from a 0-based indicing to a 1-based.
*/
public void printCoordinate(int[] index, long[] data, int offset) {
int size = index.length;
if (size != data.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d%n", index[i] + offset, data[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line. The offset is added to each index, typically, this
* can transform from a 0-based indicing to a 1-based.
*/
public void printCoordinate(int[] row, int[] column, float[] data,
int offset) {
int size = row.length;
if (size != column.length || size != data.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d % .12e%n", row[i] + offset,
column[i] + offset, data[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line. The offset is added to each index, typically, this
* can transform from a 0-based indicing to a 1-based.
*/
public void printCoordinate(int[] row, int[] column, double[] data,
int offset) {
int size = row.length;
if (size != column.length || size != data.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d % .12e%n", row[i] + offset,
column[i] + offset, data[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line. The offset is added to each index, typically, this
* can transform from a 0-based indicing to a 1-based. The first float array
* specifies the real entries, and the second is the imaginary entries
*/
public void printCoordinate(int[] index, float[] dataR, float[] dataI,
int offset) {
int size = index.length;
if (size != dataR.length || size != dataI.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d % .12e % .12e%n", index[i] + offset,
dataR[i], dataI[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line. The offset is added to each index, typically, this
* can transform from a 0-based indicing to a 1-based. The first double
* array specifies the real entries, and the second is the imaginary entries
*/
public void printCoordinate(int[] index, double[] dataR, double[] dataI,
int offset) {
int size = index.length;
if (size != dataR.length || size != dataI.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d % .12e % .12e%n", index[i] + offset,
dataR[i], dataI[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line. The offset is added to each index, typically, this
* can transform from a 0-based indicing to a 1-based. The first float array
* specifies the real entries, and the second is the imaginary entries
*/
public void printCoordinate(int[] row, int[] column, float[] dataR,
float[] dataI, int offset) {
int size = row.length;
if (size != column.length || size != dataR.length
|| size != dataI.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d % .12e % .12e%n",
row[i] + offset, column[i] + offset, dataR[i], dataI[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line. The offset is added to each index, typically, this
* can transform from a 0-based indicing to a 1-based. The first double
* array specifies the real entries, and the second is the imaginary entries
*/
public void printCoordinate(int[] row, int[] column, double[] dataR,
double[] dataI, int offset) {
int size = row.length;
if (size != column.length || size != dataR.length
|| size != dataI.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d % .12e % .12e%n",
row[i] + offset, column[i] + offset, dataR[i], dataI[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line. The offset is added to each index, typically, this
* can transform from a 0-based indicing to a 1-based.
*/
public void printCoordinate(int[] row, int[] column, int[] data, int offset) {
int size = row.length;
if (size != column.length || size != data.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d %19d%n", row[i] + offset,
column[i] + offset, data[i]);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line. The offset is added to each index, typically, this
* can transform from a 0-based indicing to a 1-based.
*/
public void printCoordinate(int[] row, int[] column, long[] data, int offset) {
int size = row.length;
if (size != column.length || size != data.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d %19d%n", row[i] + offset,
column[i] + offset, data[i]);
}
/**
* Prints the coordinates to the underlying stream. One index pair on each
* line. The offset is added to each index, typically, this can transform
* from a 0-based indicing to a 1-based.
*/
public void printPattern(int[] row, int[] column, int offset) {
int size = row.length;
if (size != column.length)
throw new IllegalArgumentException(
"All arrays must be of the same size");
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d %10d%n", row[i] + offset, column[i]
+ offset);
}
/**
* Prints the coordinates to the underlying stream. One index on each line.
* The offset is added to each index, typically, this can transform from a
* 0-based indicing to a 1-based.
*/
public void printPattern(int[] index, int offset) {
int size = index.length;
for (int i = 0; i < size; ++i)
format(Locale.ENGLISH, "%10d%n", index[i] + offset);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line
*/
public void printCoordinate(int[] row, int[] column, float[] data) {
printCoordinate(row, column, data, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line
*/
public void printCoordinate(int[] row, int[] column, double[] data) {
printCoordinate(row, column, data, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line. The first double array specifies the real entries,
* and the second is the imaginary entries
*/
public void printCoordinate(int[] row, int[] column, float[] dataR,
float[] dataI) {
printCoordinate(row, column, dataR, dataI, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line. The first double array specifies the real entries,
* and the second is the imaginary entries
*/
public void printCoordinate(int[] row, int[] column, double[] dataR,
double[] dataI) {
printCoordinate(row, column, dataR, dataI, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line
*/
public void printCoordinate(int[] row, int[] column, int[] data) {
printCoordinate(row, column, data, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index pair and
* entry on each line
*/
public void printCoordinate(int[] row, int[] column, long[] data) {
printCoordinate(row, column, data, 0);
}
/**
* Prints the coordinates to the underlying stream. One index pair on each
* line
*/
public void printPattern(int[] row, int[] column) {
printPattern(row, column, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line
*/
public void printCoordinate(int[] index, float[] data) {
printCoordinate(index, data, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line
*/
public void printCoordinate(int[] index, double[] data) {
printCoordinate(index, data, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line. The first double array specifies the real entries,
* and the second is the imaginary entries
*/
public void printCoordinate(int[] index, float[] dataR, float[] dataI) {
printCoordinate(index, dataR, dataI, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line. The first double array specifies the real entries,
* and the second is the imaginary entries
*/
public void printCoordinate(int[] index, double[] dataR, double[] dataI) {
printCoordinate(index, dataR, dataI, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line
*/
public void printCoordinate(int[] index, int[] data) {
printCoordinate(index, data, 0);
}
/**
* Prints the coordinate format to the underlying stream. One index and
* entry on each line
*/
public void printCoordinate(int[] index, long[] data) {
printCoordinate(index, data, 0);
}
/**
* Prints the coordinates to the underlying stream. One index on each line
*/
public void printPattern(int[] index) {
printPattern(index, 0);
}
/**
* Prints all the comments. Prepends a '%' and appends a newline to every
* comment
*/
public void printComments(String[] comments) {
for (String comment : comments)
println("%" + comment);
}
}