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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 |
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