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// 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 _FairCurve_Energy_HeaderFile
#define _FairCurve_Energy_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <Handle_TColgp_HArray1OfPnt2d.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <TColgp_Array1OfXY.hxx>
#include <math_Vector.hxx>
#include <math_MultipleVarFunctionWithHessian.hxx>
#include <Standard_Real.hxx>
class TColgp_HArray1OfPnt2d;
class math_Matrix;
class gp_Pnt2d;
//! necessary methodes to compute the energy of an FairCurve.
class FairCurve_Energy : public math_MultipleVarFunctionWithHessian
{
public:
DEFINE_STANDARD_ALLOC
//! returns the number of variables of the energy.
virtual Standard_Integer NbVariables() const;
//! computes the values of the Energys E for the
//! variable <X>.
//! Returns True if the computation was done successfully,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Value (const math_Vector& X, Standard_Real& E) ;
//! computes the gradient <G> of the energys for the
//! variable <X>.
//! Returns True if the computation was done successfully,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Gradient (const math_Vector& X, math_Vector& G) ;
//! computes the Energy <E> and the gradient <G> of the
//! energy for the variable <X>.
//! Returns True if the computation was done successfully,
//! False otherwise.
Standard_EXPORT virtual Standard_Boolean Values (const math_Vector& X, Standard_Real& E, math_Vector& G) ;
//! computes the Energy <E>, the gradient <G> and the
//! Hessian <H> of the energy for the variable <X>.
//! Returns True if the computation was done
//! successfully, False otherwise.
Standard_EXPORT virtual Standard_Boolean Values (const math_Vector& X, Standard_Real& E, math_Vector& G, math_Matrix& H) ;
//! compute the variables <X> wich correspond with the field <MyPoles>
Standard_EXPORT virtual Standard_Boolean Variable (math_Vector& X) const;
//! return the poles
const Handle(TColgp_HArray1OfPnt2d)& Poles() const;
protected:
//! Angles corresspond to the Ox axis
//! ConstrOrder1(2) can be equal to 0, 1 or 2
Standard_EXPORT FairCurve_Energy(const Handle(TColgp_HArray1OfPnt2d)& Poles, const Standard_Integer ConstrOrder1, const Standard_Integer ConstrOrder2, const Standard_Boolean WithAuxValue = Standard_False, const Standard_Real Angle1 = 0, const Standard_Real Angle2 = 0, const Standard_Integer Degree = 2, const Standard_Real Curvature1 = 0, const Standard_Real Curvature2 = 0);
//! It is use internaly to make the Gradient Vector <G>
Standard_EXPORT void Gradient1 (const math_Vector& TheVector, math_Vector& G) ;
//! It is use internaly to make the Hessian Matrix <H>
Standard_EXPORT void Hessian1 (const math_Vector& TheVector, math_Matrix& H) ;
//! compute the poles wich correspond with the variable X
Standard_EXPORT virtual void ComputePoles (const math_Vector& X) ;
Standard_Integer Indice (const Standard_Integer i, const Standard_Integer j) const;
//! compute the pole wich depend of variables and G1 constraint
Standard_EXPORT void ComputePolesG1 (const Standard_Integer Side, const Standard_Real Lambda, const gp_Pnt2d& P1, gp_Pnt2d& P2) const;
//! compute the pole wich depend of variables and G2 constraint
Standard_EXPORT void ComputePolesG2 (const Standard_Integer Side, const Standard_Real Lambda, const Standard_Real Rho, const gp_Pnt2d& P1, gp_Pnt2d& P2) const;
//! compute the energy (and derivatives) in intermediat format
Standard_EXPORT virtual Standard_Boolean Compute (const Standard_Integer DerivativeOrder, math_Vector& Result) = 0;
Handle(TColgp_HArray1OfPnt2d) MyPoles;
Standard_Integer MyContrOrder1;
Standard_Integer MyContrOrder2;
Standard_Boolean MyWithAuxValue;
Standard_Integer MyNbVar;
private:
Standard_Integer MyNbValues;
TColgp_Array1OfXY MyLinearForm;
TColgp_Array1OfXY MyQuadForm;
math_Vector MyGradient;
math_Vector MyHessian;
};
#include <FairCurve_Energy.lxx>
#endif // _FairCurve_Energy_HeaderFile
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