/*
* ScaledDemographic.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.evolution.coalescent;
/**
* Scale a demographic by a fixed factor.
*
* Minimal implementation, only value and intensity implemented.
*
* @author Joseph Heled
* Date: 19/11/2007
*/
public class ScaledDemographic extends DemographicFunction.Abstract {
private final double scale;
private final DemographicFunction demo;
public ScaledDemographic(DemographicFunction demo, double scale) {
super(demo.getUnits());
this.scale = scale;
this.demo = demo;
}
public double getDemographic(double t) {
return demo.getDemographic(t) * scale;
}
public double getIntensity(double t) {
return demo.getIntensity(t) / scale;
}
public double getIntegral(double start, double finish) {
return (demo.getIntensity(finish) - demo.getIntensity(start)) / scale;
}
public double getInverseIntensity(double x) {
throw new RuntimeException("unimplemented");
}
public int getNumArguments() {
throw new RuntimeException("unimplemented");
}
public String getArgumentName(int n) {
throw new RuntimeException("unimplemented");
}
public double getArgument(int n) {
throw new RuntimeException("unimplemented");
}
public void setArgument(int n, double value) {
throw new RuntimeException("unimplemented");
}
public double getLowerBound(int n) {
throw new RuntimeException("unimplemented");
}
public double getUpperBound(int n) {
throw new RuntimeException("unimplemented");
}
public DemographicFunction getCopy() {
throw new RuntimeException("unimplemented");
}
}