ClusterDB.h

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/**************************************************************************
***    
*** Copyright (c) 1995-2000 Regents of the University of California,
***               Andrew E. Caldwell, Andrew B. Kahng and Igor L. Markov
*** Copyright (c) 2000-2004 Regents of the University of Michigan,
***               Saurabh N. Adya, Jarrod A. Roy and Igor L. Markov
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***  Contact author(s): abk@cs.ucsd.edu, imarkov@umich.edu
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#ifndef CLUSTERDB_H
#define CLUSTERDB_H

#include <vector>
#include <algorithm>
#include <math.h>
#include <stdlib.h>
#include <map>
#include "bitBoardP.h"

using namespace std;

namespace parquetfp
{
   class DB;
   class Command_Line;

   class ClusterDB
   {
   private:

      Command_Line *_params; //parameters
      DB *_db;        //just a pointer to base DB
      DB *_newDB;     //used in cluster
      DB *_oldDB;     //used in cluster

      BitBoard _nodesSeenBB;
      vector<double> _numConnections;

   public:

      ClusterDB(DB* db, Command_Line *params);
      ~ClusterDB();

      void clusterMulti(DB * newDB);

      void cluster1Layer(unsigned layerNum, unsigned maxConnId=1);
      void addNetsToNewDB(Nets* nets, Nets* newNets, Nodes* nodes, Nodes* newNodes,
                          map<unsigned, unsigned>& mapping);

      Node& getClosestNode(Node& currNode, Nodes* nodes, Nets* nets, 
                           vector<bool>& seenNodes, unsigned maxConnId=1,
                           bool direction = true);
      void addWSPerNode(void);

      void clusterMultiPhysical(DB * newDB); //cluster with physical constraints
   };

   struct sortNumConnections //sort connectivities
   {
      bool operator()(Point pt1, Point pt2)
         {
            return (pt1.y < pt2.y);
         }
   };
}
//using namespace parquetfp;

#endif 

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