// 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 _Law_Linear_HeaderFile
#define _Law_Linear_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_Law_Linear_HeaderFile
#include <Handle_Law_Linear.hxx>
#endif

#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Law_Function_HeaderFile
#include <Law_Function.hxx>
#endif
#ifndef _GeomAbs_Shape_HeaderFile
#include <GeomAbs_Shape.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Handle_Law_Function_HeaderFile
#include <Handle_Law_Function.hxx>
#endif
class Standard_OutOfRange;
class TColStd_Array1OfReal;
class Law_Function;


//! Describes an linear evolution law. <br>
class Law_Linear : public Law_Function {

public:

  //! Constructs an empty linear evolution law. <br>
  Standard_EXPORT   Law_Linear();
  
//! Defines this linear evolution law by assigning both: <br>
//! -   the bounds Pdeb and Pfin of the parameter, and <br>
//! -   the values Valdeb and Valfin of the function at these <br>
//!   two parametric bounds. <br>
  Standard_EXPORT     void Set(const Standard_Real Pdeb,const Standard_Real Valdeb,const Standard_Real Pfin,const Standard_Real Valfin) ;
  //! Returns GeomAbs_CN <br>
  Standard_EXPORT     GeomAbs_Shape Continuity() const;
  //! Returns  1 <br>
  Standard_EXPORT     Standard_Integer NbIntervals(const GeomAbs_Shape S) const;
  
  Standard_EXPORT     void Intervals(TColStd_Array1OfReal& T,const GeomAbs_Shape S) const;
  //! Returns the value of this function at the point of parameter X. <br>
  Standard_EXPORT     Standard_Real Value(const Standard_Real X) ;
  
//! Returns the value F and the first derivative D of this <br>
//! function at the point of parameter X. <br>
  Standard_EXPORT     void D1(const Standard_Real X,Standard_Real& F,Standard_Real& D) ;
  //! Returns the value, first and second derivatives <br>
//!          at parameter X. <br>
  Standard_EXPORT     void D2(const Standard_Real X,Standard_Real& F,Standard_Real& D,Standard_Real& D2) ;
  //!   Returns a  law equivalent of  <me>  between <br>
//!        parameters <First>  and <Last>. <Tol>  is used  to <br>
//!        test for 3d points confusion. <br>
//!        It is usfule to determines the derivatives <br>
//!        in these values <First> and <Last> if <br>
//!        the Law is not Cn. <br>
  Standard_EXPORT     Handle_Law_Function Trim(const Standard_Real PFirst,const Standard_Real PLast,const Standard_Real Tol) const;
  //! Returns the parametric bounds of the function. <br>
  Standard_EXPORT     void Bounds(Standard_Real& PFirst,Standard_Real& PLast) ;




  DEFINE_STANDARD_RTTI(Law_Linear)

protected:




private: 


Standard_Real valdeb;
Standard_Real valfin;
Standard_Real pdeb;
Standard_Real pfin;


};





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


#endif