include/opencascade/ProjLib_PrjFunc.hxx

0001 // Created on: 1997-11-06
0002 // Created by: Roman BORISOV
0003 // Copyright (c) 1997-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _ProjLib_PrjFunc_HeaderFile
0018 #define _ProjLib_PrjFunc_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022
0023 #include <math_FunctionSetWithDerivatives.hxx>
0024 #include <math_Vector.hxx>
0025
0026 class math_Matrix;
0027 class gp_Pnt2d;
0028
0029 class ProjLib_PrjFunc : public math_FunctionSetWithDerivatives
0030 {
0031 public:
0032   DEFINE_STANDARD_ALLOC
0033
0034   Standard_EXPORT ProjLib_PrjFunc(const Adaptor3d_Curve*   C,
0035                                   const double             FixVal,
0036                                   const Adaptor3d_Surface* S,
0037                                   const int                Fix);
0038
0039   //! returns the number of variables of the function.
0040   Standard_EXPORT int NbVariables() const override;
0041
0042   //! returns the number of equations of the function.
0043   Standard_EXPORT int NbEquations() const override;
0044
0045   //! computes the values <F> of the Functions for the
0046   //! variable <X>.
0047   //! Returns True if the computation was done successfully,
0048   //! False otherwise.
0049   Standard_EXPORT bool Value(const math_Vector& X, math_Vector& F) override;
0050
0051   //! returns the values <D> of the derivatives for the
0052   //! variable <X>.
0053   //! Returns True if the computation was done successfully,
0054   //! False otherwise.
0055   Standard_EXPORT bool Derivatives(const math_Vector& X, math_Matrix& D) override;
0056
0057   //! returns the values <F> of the functions and the derivatives
0058   //! <D> for the variable <X>.
0059   //! Returns True if the computation was done successfully,
0060   //! False otherwise.
0061   Standard_EXPORT bool Values(const math_Vector& X, math_Vector& F, math_Matrix& D) override;
0062
0063   //! returns point on surface
0064   Standard_EXPORT gp_Pnt2d Solution() const;
0065
0066 private:
0067   const Adaptor3d_Curve*   myCurve;
0068   const Adaptor3d_Surface* mySurface;
0069   double                   myt;
0070   double                   myU;
0071   double                   myV;
0072   int                      myFix;
0073   double                   myNorm;
0074 };
0075
0076 #endif // _ProjLib_PrjFunc_HeaderFile