formula.h

Go to the documentation of this file.

#ifndef formula_h
#define formula_h
 
#include "keeper.h"
#include "parameter.h"
#include "gadget.h"
 
class Keeper;
 
enum FormulaType { CONSTANT = 1, PARAMETER, FUNCTION };
enum FunctionType { NONE = 1, MULT, DIV, PLUS, MINUS, SIN, COS, LOG, EXP,
  LOG10, POWER, SQRT, RAND, LESS, GREATER, EQUAL, AND, OR, NOT, ABS, IF, PI };
 
class Formula {
public:
  Formula();
  Formula(double initial);
  Formula(const Formula& initial);
  Formula(FunctionType ft, vector<Formula*> formlist);
  ~Formula();
  void setValue(double init);
  operator double() const;
  void Interchange(Formula& newF, Keeper* keeper) const;
  void Inform(Keeper* keeper);
  void Delete(Keeper* keeper) const;
  Formula& operator = (const Formula& F);
  friend CommentStream& operator >> (CommentStream& infile, Formula& F);
  FormulaType getType() const { return type; };
private:
  double evalFunction() const;
  FormulaType type;
  FunctionType functiontype;
  double value;
  Parameter name;
  vector<Formula*> argList;
};
 
#endif