1 // Created on: 1998-09-22
2 // Created by: Philippe MANGINGeomLib_PolyFunc.c
3 // Copyright (c) 1998-1999 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 _GeomLib_PolyFunc_HeaderFile
18 #define _GeomLib_PolyFunc_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <math_Vector.hxx>
25 #include <math_FunctionWithDerivative.hxx>
26 #include <Standard_Boolean.hxx>
27 #include <Standard_Real.hxx>
30 //! Polynomial Function
31 class GeomLib_PolyFunc : public math_FunctionWithDerivative
38 Standard_EXPORT GeomLib_PolyFunc(const math_Vector& Coeffs);
40 //! computes the value <F>of the function for the variable <X>.
41 //! Returns True if the calculation were successfully done,
43 Standard_EXPORT virtual Standard_Boolean Value (const Standard_Real X, Standard_Real& F) Standard_OVERRIDE;
45 //! computes the derivative <D> of the function
46 //! for the variable <X>.
47 //! Returns True if the calculation were successfully done,
49 Standard_EXPORT virtual Standard_Boolean Derivative (const Standard_Real X, Standard_Real& D) Standard_OVERRIDE;
51 //! computes the value <F> and the derivative <D> of the
52 //! function for the variable <X>.
53 //! Returns True if the calculation were successfully done,
55 Standard_EXPORT virtual Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& D) Standard_OVERRIDE;
81 #endif // _GeomLib_PolyFunc_HeaderFile