1 // Created on: 1997-11-06
2 // Created by: Roman BORISOV
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _ProjLib_PrjFunc_HeaderFile
18 #define _ProjLib_PrjFunc_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Adaptor3d_CurvePtr.hxx>
25 #include <Adaptor3d_SurfacePtr.hxx>
26 #include <Standard_Real.hxx>
27 #include <Standard_Integer.hxx>
28 #include <math_FunctionSetWithDerivatives.hxx>
29 #include <Standard_Boolean.hxx>
30 #include <math_Vector.hxx>
31 class Standard_ConstructionError;
37 class ProjLib_PrjFunc : public math_FunctionSetWithDerivatives
44 Standard_EXPORT ProjLib_PrjFunc(const Adaptor3d_CurvePtr& C, const Standard_Real FixVal, const Adaptor3d_SurfacePtr& S, const Standard_Integer Fix);
46 //! returns the number of variables of the function.
47 Standard_EXPORT Standard_Integer NbVariables() const;
49 //! returns the number of equations of the function.
50 Standard_EXPORT Standard_Integer NbEquations() const;
52 //! computes the values <F> of the Functions for the
54 //! Returns True if the computation was done successfully,
56 Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
58 //! returns the values <D> of the derivatives for the
60 //! Returns True if the computation was done successfully,
62 Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
64 //! returns the values <F> of the functions and the derivatives
65 //! <D> for the variable <X>.
66 //! Returns True if the computation was done successfully,
68 Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
70 //! returns point on surface
71 Standard_EXPORT gp_Pnt2d Solution() const;
86 Adaptor3d_CurvePtr myCurve;
87 Adaptor3d_SurfacePtr mySurface;
91 Standard_Integer myFix;
103 #endif // _ProjLib_PrjFunc_HeaderFile