src/libvpsc/variable.h

   1 /**
   2  *
   3  * Authors:
   4  *   Tim Dwyer <tgdwyer@gmail.com>
   5  *
   6  * Copyright (C) 2005 Authors
   7  *
   8  * Released under GNU LGPL.  Read the file 'COPYING' for more information.
   9  */
  10 #ifndef SEEN_REMOVEOVERLAP_VARIABLE_H
  11 #define SEEN_REMOVEOVERLAP_VARIABLE_H
  12
  13 #include <vector>
  14 #include <iostream>
  15 #include "block.h"
  16
  17 namespace vpsc {
  18
  19 class Constraint;
  20 typedef std::vector<Constraint*> Constraints;
  21 class Variable
  22 {
  23         friend std::ostream& operator <<(std::ostream &os, const Variable &v);
  24 public:
  25         const int id; // useful in log files
  26         double desiredPosition;
  27         const double weight;
  28         double offset;
  29         Block *block;
  30         bool visited;
  31         Constraints in;
  32         Constraints out;
  33         char *toString();
  34         inline Variable(const int id, const double desiredPos, const double weight)
  35                 : id(id)
  36                 , desiredPosition(desiredPos)
  37                 , weight(weight)
  38                 , offset(0)
  39                 , block(NULL)
  40                 , visited(false)
  41         {
  42         }
  43         inline double position() const {
  44                 return block->posn+offset;
  45         }
  46         //double position() const;
  47     virtual ~Variable(void){
  48                 in.clear();
  49                 out.clear();
  50         }
  51 };
  52 }
  53 #endif // SEEN_REMOVEOVERLAP_VARIABLE_H