/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: OverallAreaMetric.java
* Written by Team 7: Felix Schmidt, Daniel Lechner
*
* This code has been developed at the Karlsruhe Institute of Technology (KIT), Germany,
* as part of the course "Multicore Programming in Practice: Tools, Models, and Languages".
* Contact instructor: Dr. Victor Pankratius (pankratius@ipd.uka.de)
*
* Copyright (c) 2010 Sun Microsystems and Static Free Software
*
* Electric(tm) is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Electric(tm) 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.tool.placement.forceDirected2.metrics;
import com.sun.electric.tool.placement.PlacementFrame.PlacementNetwork;
import com.sun.electric.tool.placement.PlacementFrame.PlacementNode;
import com.sun.electric.tool.placement.forceDirected2.forceDirected.util.CheckboardingField;
import com.sun.electric.tool.placement.forceDirected2.forceDirected.util.CheckboardingPattern;
import java.math.BigDecimal;
import java.util.List;
/**
* Parallel Placement
*
* Overall area metric
*/
public class OverallAreaMetric extends AbstractMetric {
private static final String metricName = "Overall Area Metric";
private CheckboardingPattern checkPattern;
public OverallAreaMetric(List<PlacementNode> nodesToPlace, List<PlacementNetwork> allNetworks, CheckboardingPattern pattern) {
super(nodesToPlace, allNetworks);
this.checkPattern = pattern;
}
@Override
public Double compute() {
return new Double(this.computeAsBigDecimal().doubleValue());
}
public BigDecimal computeAsBigDecimal() {
if (this.checkPattern == null) {
return new BigDecimal(-1.0);
}
BigDecimal minX = null;
BigDecimal maxX = null;
BigDecimal minY = new BigDecimal(-1);
BigDecimal maxY = new BigDecimal(-1);
for (int i = 0; i < this.checkPattern.getAll().length; i++) {
for (int j = 0; j < this.checkPattern.getAll()[i].length; j++) {
CheckboardingField field = this.checkPattern.getField(j, i);
if (field.getNode() != null) {
if (minX == null) {
minX = new BigDecimal(field.getLocation().getX() - field.getNode().getWidth() / 2);
maxX = new BigDecimal(field.getLocation().getX() - field.getNode().getWidth() / 2);
}
if (minY == null) {
minY = new BigDecimal(field.getLocation().getY() - field.getNode().getHeight() / 2);
maxY = new BigDecimal(field.getLocation().getY() - field.getNode().getHeight() / 2);
}
BigDecimal tmpX = new BigDecimal(field.getLocation().getX() + field.getNode().getWidth() / 2);
maxX = maxX.max(tmpX);
BigDecimal tmpY = new BigDecimal(field.getLocation().getY() + field.getNode().getHeight() / 2);
maxY = maxY.max(tmpY);
}
}
}
BigDecimal x = maxX.subtract(minX);
BigDecimal y = maxY.subtract(minY);
return x.multiply(y);
}
public CheckboardingPattern getCheckPattern() {
return this.checkPattern;
}
@Override
public String getMetricName() {
return OverallAreaMetric.metricName;
}
public void setCheckPattern(CheckboardingPattern checkPattern) {
this.checkPattern = checkPattern;
}
}