// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _Extrema_ExtPElC_HeaderFile
#define _Extrema_ExtPElC_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif

#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Extrema_POnCurv_HeaderFile
#include <Extrema_POnCurv.hxx>
#endif
class StdFail_NotDone;
class Standard_OutOfRange;
class gp_Pnt;
class gp_Lin;
class gp_Circ;
class gp_Elips;
class gp_Hypr;
class gp_Parab;
class Extrema_POnCurv;


//! It calculates all the distances between a point <br>
//!          and an elementary curve. <br>
//!          These distances can be minimum or maximum. <br>
class Extrema_ExtPElC  {
public:

  void* operator new(size_t,void* anAddress) 
  {
    return anAddress;
  }
  void* operator new(size_t size) 
  {
    return Standard::Allocate(size); 
  }
  void  operator delete(void *anAddress) 
  {
    if (anAddress) Standard::Free((Standard_Address&)anAddress); 
  }

  
  Standard_EXPORT   Extrema_ExtPElC();
  //! Calculates the extremum distance between the <br>
//!          point P and the segment [Uinf,Usup] of the line C. <br>
  Standard_EXPORT   Extrema_ExtPElC(const gp_Pnt& P,const gp_Lin& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup);
  
  Standard_EXPORT     void Perform(const gp_Pnt& P,const gp_Lin& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup) ;
  //! Calculates the 2 extremum distances between the <br>
//!          point P and the segment [Uinf,Usup] of the circle C. <br>
//!          Tol is used to determine <br>
//!          if P is on the axis of the circle or <br>
//!          if an extremum is on an endpoint of the segment. <br>
//!          If P is on the axis of the circle, <br>
//!          there are infinite solution then IsDone(me)=False. <br>
//!          The conditions on the Uinf and Usup are: <br>
//!            0. <= Uinf <= 2.*PI and Usup > Uinf. <br>
//!          If Usup > Uinf + 2.*PI, then only the solutions in <br>
//!          the range [Uinf,Uinf+2.*PI[ are computed. <br>
  Standard_EXPORT   Extrema_ExtPElC(const gp_Pnt& P,const gp_Circ& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup);
  
  Standard_EXPORT     void Perform(const gp_Pnt& P,const gp_Circ& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup) ;
  //! Calculates the 4 extremum distances between the <br>
//!          point P and the segment [Uinf,Usup] of the elipse C. <br>
//!          Tol is used to determine <br>
//!          if the point is on the axis of the elipse and <br>
//!          if the major radius is equal to the minor radius or <br>
//!          if an extremum is on an endpoint of the segment. <br>
//!          If P is on the axis of the elipse, <br>
//!          there are infinite solution then IsDone(me)=False. <br>
//!          The conditions on the Uinf and Usup are: <br>
//!            0. <= Uinf <= 2.*PI and Usup > Uinf. <br>
//!          If Usup > Uinf + 2.*PI, then only the solutions in <br>
//!          the range [Uinf,Uinf+2.*PI[ are computed. <br>
  Standard_EXPORT   Extrema_ExtPElC(const gp_Pnt& P,const gp_Elips& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup);
  
  Standard_EXPORT     void Perform(const gp_Pnt& P,const gp_Elips& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup) ;
  //! Calculates the extremum distances between the <br>
//!          point P and the segment [Uinf,Usup] of the hyperbola <br>
//!          C. <br>
//!          Tol is used to determine if two solutions u and v <br>
//!          are identical; the condition is: <br>
//!          dist(C(u),C(v)) < Tol. <br>
  Standard_EXPORT   Extrema_ExtPElC(const gp_Pnt& P,const gp_Hypr& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup);
  
  Standard_EXPORT     void Perform(const gp_Pnt& P,const gp_Hypr& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup) ;
  //! Calculates the 4 extremum distances between the <br>
//!          point P and the segment [Uinf,Usup] of the parabola <br>
//!          C. <br>
//!          Tol is used to determine if two solutions u and v <br>
//!          are identical; the condition is: <br>
//!          dist(C(u),C(v)) < Tol. <br>
  Standard_EXPORT   Extrema_ExtPElC(const gp_Pnt& P,const gp_Parab& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup);
  
  Standard_EXPORT     void Perform(const gp_Pnt& P,const gp_Parab& C,const Standard_Real Tol,const Standard_Real Uinf,const Standard_Real Usup) ;
  //! True if the distances are found. <br>
  Standard_EXPORT     Standard_Boolean IsDone() const;
  //! Returns the number of extremum distances. <br>
  Standard_EXPORT     Standard_Integer NbExt() const;
  //! Returns the value of the Nth extremum square distance. <br>
  Standard_EXPORT     Standard_Real SquareDistance(const Standard_Integer N) const;
  //! Returns True if the Nth extremum distance is a <br>
//!          minimum. <br>
  Standard_EXPORT     Standard_Boolean IsMin(const Standard_Integer N) const;
  //! Returns the point of the Nth extremum distance. <br>
  Standard_EXPORT     Extrema_POnCurv Point(const Standard_Integer N) const;





protected:





private:



Standard_Boolean myDone;
Standard_Integer myNbExt;
Standard_Real mySqDist[4];
Standard_Boolean myIsMin[4];
Extrema_POnCurv myPoint[4];


};





// other Inline functions and methods (like "C++: function call" methods)


#endif