headers/libs/linprog/Summand.h

   1 /*
   2  * Copyright 2007-2008, Christof Lutteroth, lutteroth@cs.auckland.ac.nz
   3  * Copyright 2007-2008, James Kim, jkim202@ec.auckland.ac.nz
   4  * Distributed under the terms of the MIT License.
   5  */
   6 #ifndef SUMMAND_H
   7 #define SUMMAND_H
   8
   9 #include <ObjectList.h>
  10
  11
  12 namespace LinearProgramming {
  13
  14 class LinearSpec;
  15 class Variable;
  16
  17 /**
  18  * A summand of a linear term.
  19  */
  20 class Summand {
  21 public:
  22                                                                 Summand(Summand* summand);
  23                                                                 Summand(double coeff, Variable* var);
  24                                                                 ~Summand();
  25
  26                         double                          Coeff();
  27                         void                            SetCoeff(double coeff);
  28                         Variable*                       Var();
  29                         void                            SetVar(Variable* var);
  30
  31                         int32                           VariableIndex();
  32 private:
  33                         double                          fCoeff;
  34                         Variable*                       fVar;
  35 };
  36
  37 typedef BObjectList<Summand> SummandList;
  38
  39 }       // namespace LinearProgramming
  40
  41 using LinearProgramming::Summand;
  42 using LinearProgramming::SummandList;
  43
  44
  45 #endif  // OBJ_FUNCTION_SUMMAND_H
  46