no.uib.cipr.matrix.sparse.OutputIterationReporter Maven / Gradle / Ivy
/*
* 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.sparse;
import java.io.OutputStream;
import java.io.PrintWriter;
import no.uib.cipr.matrix.Vector;
/**
* Outputs iteration information to an output stream.
*/
public class OutputIterationReporter implements IterationReporter {
/**
* Platform-dependent output
*/
private PrintWriter out;
/**
* Constructor for OutputIterationReporter
*
* @param out
* Writes iteration count and current residual here
*/
public OutputIterationReporter(OutputStream out) {
this.out = new PrintWriter(out, true);
}
/**
* Constructor for OutputIterationReporter, using System.err.
*/
public OutputIterationReporter() {
this(System.err);
}
public void monitor(double r, int i) {
out.format("%10d % .12e\n", i, r);
out.flush();
}
public void monitor(double r, Vector x, int i) {
monitor(r, i);
}
}