1 // Created on: 1998-10-14 2 // Created by: Andre LIEUTIER 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 _Plate_D3_HeaderFile 18 #define _Plate_D3_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_DefineAlloc.hxx> 22 #include <Standard_Handle.hxx> 23 24 #include <gp_XYZ.hxx> 25 class Plate_GtoCConstraint; 26 class Plate_FreeGtoCConstraint; 27 class gp_XYZ; 28 29 30 //! define an order 3 derivatives of a 3d valued 31 //! function of a 2d variable 32 class Plate_D3 33 { 34 public: 35 36 DEFINE_STANDARD_ALLOC 37 38 39 Standard_EXPORT Plate_D3(const gp_XYZ& duuu, const gp_XYZ& duuv, const gp_XYZ& duvv, const gp_XYZ& dvvv); 40 41 Standard_EXPORT Plate_D3(const Plate_D3& ref); 42 43 44 friend class Plate_GtoCConstraint; 45 friend class Plate_FreeGtoCConstraint; 46 47 48 protected: 49 50 51 52 53 54 private: 55 56 57 58 gp_XYZ Duuu; 59 gp_XYZ Duuv; 60 gp_XYZ Duvv; 61 gp_XYZ Dvvv; 62 63 64 }; 65 66 67 68 69 70 71 72 #endif // _Plate_D3_HeaderFile 73