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1 | // Created on: 1991-09-09 |
| 2 | // Created by: Michel Chauvat |
| 3 | // Copyright (c) 1991-1999 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 _CSLib_NormalStatus_HeaderFile |
| 18 | #define _CSLib_NormalStatus_HeaderFile |
| 19 | |
| 20 | |
| 21 | //! if N is the normal |
| 22 | //! |
| 23 | //! InfinityOfSolutions : ||DN/du||>Resolution, ||DN/dv||>Resolution |
| 24 | //! |
| 25 | //! D1NuIsNull : ||DN/du|| <= Resolution |
| 26 | //! |
| 27 | //! D1NvIsNull : ||DN/dv|| <= Resolution |
| 28 | //! |
| 29 | //! D1NIsNull : ||DN/du||<=Resolution, ||DN/dv||<=Resolution |
| 30 | //! |
| 31 | //! D1NuNvRatioIsNull : ||D1Nu|| / ||D1Nv|| <= RealEpsilon |
| 32 | //! |
| 33 | //! D1NvNuRatioIsNull : ||D1Nu|| / ||D1Nv|| <= RealEpsilon |
| 34 | //! |
| 35 | //! D1NuIsParallelD1Nv : The angle between D1Nu and D1Nv is Null. |
| 36 | enum CSLib_NormalStatus |
| 37 | { |
| 38 | CSLib_Singular, |
| 39 | CSLib_Defined, |
| 40 | CSLib_InfinityOfSolutions, |
| 41 | CSLib_D1NuIsNull, |
| 42 | CSLib_D1NvIsNull, |
| 43 | CSLib_D1NIsNull, |
| 44 | CSLib_D1NuNvRatioIsNull, |
| 45 | CSLib_D1NvNuRatioIsNull, |
| 46 | CSLib_D1NuIsParallelD1Nv |
| 47 | }; |
| 48 | |
| 49 | #endif // _CSLib_NormalStatus_HeaderFile |
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