/*
* BuildCompoundSymmetricMatrix.java
*
* Copyright (c) 2002-2015 Alexei Drummond, Andrew Rambaut and Marc Suchard
*
* This file is part of BEAST.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership and licensing.
*
* BEAST 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.
*
* BEAST 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 BEAST; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
package dr.evomodelxml.continuous;
import dr.inference.model.MatrixParameter;
import dr.xml.AbstractXMLObjectParser;
import dr.xml.XMLObject;
import dr.xml.XMLParseException;
import dr.inference.model.Parameter;
import dr.xml.XMLSyntaxRule;
/**
@author Max Tolkoff
*/
//the existing compound symmetric matrix function creates a matrix that is structurally compound symmetric. This builds
//a compound symmetric matrix that can be non compound symmetric when exposed to a transition kernel
public class BuildCompoundSymmetricMatrix extends AbstractXMLObjectParser {
public final static String BUILD_DIAGONAL_MATRIX="buildCompoundSymmetricMatrix";
public final static String DIMENSION="dimension";
public final static String DIAGONAL="diagonal";
public final static String OFF_DIAGONAL="offDiagonal";
@Override
public Object parseXMLObject(XMLObject xo) throws XMLParseException {
int dim=xo.getAttribute(DIMENSION,1);
int diag=xo.getAttribute(DIAGONAL,1);
int offDiag=xo.getAttribute(OFF_DIAGONAL, 0);
final String name = xo.hasId() ? xo.getId() : null;
Parameter[] answer = new Parameter[dim];
for (int i=0;i<dim; i++){
answer[i] = new Parameter.Default(dim);
for(int j=0; j<dim; j++)
{if(i==j) {
answer[i].setParameterValue(j, diag);
}
else
{answer[i].setParameterValue(j,offDiag);}
}}
return new MatrixParameter(name, answer);
}
@Override
public String getParserName() {
return BUILD_DIAGONAL_MATRIX;
}
@Override
public Class getReturnType() {
return MatrixParameter.class;
}
@Override
public XMLSyntaxRule[] getSyntaxRules() {
return new XMLSyntaxRule[0]; //To change body of implemented methods use File | Settings | File Templates.
}
@Override
public String getParserDescription() {
return "Returns a compound symmetric Matrix Parameter that is flexible, i.e. when exposed to a transition kernel can yield a result that is not compound symmetric"; //To change body of implemented methods use File | Settings | File Templates.
}
}