mixedpacking.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
***
***  Contact author(s): abk@cs.ucsd.edu, imarkov@umich.edu
***  Original Affiliation:   UCLA, Computer Science Department,
***                          Los Angeles, CA 90095-1596 USA
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#ifndef MIXEDPACKING_H
#define MIXEDPACKING_H

#include "basepacking.h"

#include <vector>
#include <string>
using namespace std;

// --------------------------------------------------------
class MixedBlockInfoType
{
public:
   MixedBlockInfoType(const string& blocksfilename,
                      const string& format); // "blocks" or "txt"
   virtual ~MixedBlockInfoType() {}
   
   class BlockARInfo
   {
   public:
      double area;
      vector<double> maxAR; // maxAR/minAR for the "North" orientation
      vector<double> minAR;
      bool isSoft;
   };
   const HardBlockInfoType& currDimensions;
   const vector<BlockARInfo>& blockARinfo;
   static const int ORIENT_NUM; // = HardBlockInfoType::ORIENT_NUM;

   inline void setBlockDimensions(int index, double newWidth, double newHeight,
                                  int theta);

protected:
   HardBlockInfoType _currDimensions;
   vector<BlockARInfo> _blockARinfo;

   void ParseBlocks(ifstream& input);
   inline void set_blockARinfo_AR(int index, double minAR, double maxAR);

   // used by descendent class "MixedBlockInfoTypeFromDB"
   MixedBlockInfoType(int blocknum)
      : currDimensions(_currDimensions),
        blockARinfo(_blockARinfo),
        _currDimensions(blocknum),
        _blockARinfo(blocknum+2)
      {}
};
// --------------------------------------------------------

// ===============
// IMPLEMENTATIONS
// ===============
void MixedBlockInfoType::setBlockDimensions(int index,
                                            double newWidth,
                                            double newHeight,
                                            int theta)
{
   double realWidth = (theta % 2 == 0)? newWidth : newHeight;
   double realHeight = (theta % 2 == 0)? newHeight : newWidth;
   _currDimensions.set_dimensions(index, realWidth, realHeight);
}
// --------------------------------------------------------
void MixedBlockInfoType::set_blockARinfo_AR(int index,
                                            double minAR,
                                            double maxAR)
{
   _blockARinfo[index].minAR.resize(ORIENT_NUM);
   _blockARinfo[index].maxAR.resize(ORIENT_NUM);
   for (int i = 0; i < ORIENT_NUM; i++)
   {
      _blockARinfo[index].minAR[i] = ((i%2 == 0)?
                                      minAR : (1.0 / maxAR));
      _blockARinfo[index].maxAR[i] = ((i%2 == 0)?
                                      maxAR : (1.0 / minAR));
   }
}         
// -------------------------------------------------------- 
#endif

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