u3d_nl_eqsolve.hpp

// u3d_nl_eqsolve.hpp
// $Id: u3d_nl_eqsolve.hpp,v 1.3 2007/06/27 15:48:32 guser1 Exp $

class U3dEqAbstractFunction
{
public:
  U3dEqAbstractFunction();
  
  virtual double calc(double x) = 0; 
};

//------------------------------------------------------------------------------------------
class U3dEqAbstractSolve 
{
public:
  U3dEqAbstractSolve();
  
  virtual void solve(U3dEqAbstractFunction* func) = 0;
  
  virtual double getRoot()
  {return cur_root;}
  
  virtual double getFunc()
  {return cur_func;}
  
protected:
  
  double cur_root;
  
  double cur_func;
  
  static int num_eq_solve; 
};

//------------------------------------------------------------------------------------------
class U3dEqDiv2Solve : public U3dEqAbstractSolve
{
public:
  U3dEqDiv2Solve();
  
  void solve(U3dEqAbstractFunction* func);
  
  void setRanges(double zmn, double zmx)
  {zmin = zmn; zmax = zmx;}
  
  void setMaxItersNum(int n)
  {itn_max = n;}
   
protected:
  int itn_max;
  
  double zmin, zmax;
};