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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 |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
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. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _Adaptor3d_InterFunc_HeaderFile |
18 | #define _Adaptor3d_InterFunc_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
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; |
30 | |
31 | |
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 |
38 | { |
39 | public: |
40 | |
41 | DEFINE_STANDARD_ALLOC |
42 | |
43 | |
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); |
47 | |
48 | //! computes the value <F>of the function for the variable <X>. |
49 | //! Returns True if the calculation were successfully done, |
50 | //! False otherwise. |
51 | Standard_EXPORT Standard_Boolean Value (const Standard_Real X, Standard_Real& F); |
52 | |
53 | //! computes the derivative <D> of the function |
54 | //! for the variable <X>. |
55 | //! Returns True if the calculation were successfully done, |
56 | //! False otherwise. |
57 | Standard_EXPORT Standard_Boolean Derivative (const Standard_Real X, Standard_Real& D); |
58 | |
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, |
62 | //! False otherwise. |
63 | Standard_EXPORT Standard_Boolean Values (const Standard_Real X, Standard_Real& F, Standard_Real& D); |
64 | |
65 | |
66 | |
67 | |
68 | protected: |
69 | |
70 | |
71 | |
72 | |
73 | |
74 | private: |
75 | |
76 | |
77 | |
78 | Handle(Adaptor2d_HCurve2d) myCurve2d; |
79 | Standard_Real myFixVal; |
80 | Standard_Integer myFix; |
81 | |
82 | |
83 | }; |
84 | |
85 | |
86 | |
87 | |
88 | |
89 | |
90 | |
91 | #endif // _Adaptor3d_InterFunc_HeaderFile |