1 // Created on: 1998-02-18
2 // Created by: Jeanine PANCIATICI
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 _Adaptor3d_InterFunc_HeaderFile
18 #define _Adaptor3d_InterFunc_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Real.hxx>
25 #include <Standard_Integer.hxx>
26 #include <math_FunctionWithDerivative.hxx>
27 #include <Standard_Boolean.hxx>
28 class Adaptor2d_HCurve2d;
29 class Standard_ConstructionError;
32 //! Used to find the points U(t) = U0 or V(t) = V0 in
33 //! order to determine the Cn discontinuities of an
34 //! Adpator_CurveOnSurface relativly to the
35 //! discontinuities of the surface. Used to
36 //! find the roots of the functions
37 class Adaptor3d_InterFunc : public math_FunctionWithDerivative
44 //! build the function U(t)=FixVal if Fix =1 or
45 //! V(t)=FixVal if Fix=2
46 Standard_EXPORT Adaptor3d_InterFunc(const Handle(Adaptor2d_HCurve2d)& C, const Standard_Real FixVal, const Standard_Integer Fix);
48 //! computes the value <F>of the function for the variable <X>.
49 //! Returns True if the calculation were successfully done,
51 Standard_EXPORT Standard_Boolean Value (const Standard_Real X, Standard_Real& F);
53 //! computes the derivative <D> of the function
54 //! for the variable <X>.
55 //! Returns True if the calculation were successfully done,
57 Standard_EXPORT Standard_Boolean Derivative (const Standard_Real X, Standard_Real& D);
59 //! computes the value <F> and the derivative <D> of the
60 //! function for the variable <X>.
61 //! Returns True if the calculation were successfully done,
63 Standard_EXPORT Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& D);
78 Handle(Adaptor2d_HCurve2d) myCurve2d;
79 Standard_Real myFixVal;
80 Standard_Integer myFix;
91 #endif // _Adaptor3d_InterFunc_HeaderFile