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
0033   DEFINE_STANDARD_ALLOC
0034
0035
0036   Standard_EXPORT ProjLib_PrjFunc(const Adaptor3d_Curve* C, const Standard_Real FixVal, const Adaptor3d_Surface* S, const Standard_Integer Fix);
0037
0038   //! returns the number of variables of the function.
0039   Standard_EXPORT Standard_Integer NbVariables() const;
0040
0041   //! returns the number of equations of the function.
0042   Standard_EXPORT Standard_Integer NbEquations() const;
0043
0044   //! computes the values <F> of the Functions for the
0045   //! variable <X>.
0046   //! Returns True if the computation was done successfully,
0047   //! False otherwise.
0048   Standard_EXPORT Standard_Boolean Value (const math_Vector& X, math_Vector& F);
0049
0050   //! returns the values <D> of the derivatives for the
0051   //! variable <X>.
0052   //! Returns True if the computation was done successfully,
0053   //! False otherwise.
0054   Standard_EXPORT Standard_Boolean Derivatives (const math_Vector& X, math_Matrix& D);
0055
0056   //! returns the values <F> of the functions and the derivatives
0057   //! <D> for the variable <X>.
0058   //! Returns True if the computation was done successfully,
0059   //! False otherwise.
0060   Standard_EXPORT Standard_Boolean Values (const math_Vector& X, math_Vector& F, math_Matrix& D);
0061
0062   //! returns  point  on  surface
0063   Standard_EXPORT gp_Pnt2d Solution() const;
0064
0065 private:
0066
0067   const Adaptor3d_Curve* myCurve;
0068   const Adaptor3d_Surface* mySurface;
0069   Standard_Real myt;
0070   Standard_Real myU;
0071   Standard_Real myV;
0072   Standard_Integer myFix;
0073   Standard_Real myNorm;
0074
0075 };
0076
0077 #endif // _ProjLib_PrjFunc_HeaderFile