projects / occt.git / blame
| Commit | Line | Data |
|---|---|---|
| b311480e | 1 | // Created on: 1997-03-03 |
| 2 | // Created by: Xavier BENVENISTE | |
| 3 | // Copyright (c) 1997-1999 Matra Datavision | |
| 973c2be1 | 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| b311480e | 5 | // |
| 973c2be1 | 6 | // This file is part of Open CASCADE Technology software library. |
| b311480e | 7 | // |
| d5f74e42 | 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 | |
| 973c2be1 | 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. | |
| b311480e | 13 | // |
| 973c2be1 | 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. | |
| 7fd59977 | 16 | |
| 7fd59977 | 17 | #ifndef _BSplCLib_EvaluatorFunction_HeaderFile |
| 18 | #define _BSplCLib_EvaluatorFunction_HeaderFile | |
| 19 | ||
| ebc93ae7 | 20 | #include <Standard_TypeDef.hxx> |
| 7fd59977 | 21 | |
| ff8178ef | 22 | // This is a one dimensional function |
| 23 | // NOTE: StartEnd[2] | |
| 24 | // Serves to multiply a given vectorial BSpline by a function | |
| 25 | ||
| 41194117 K |
26 | // History - C function pointer converted to a virtual class |
| 27 | // in order to get rid of usage of static functions and static data | |
| 28 | class BSplCLib_EvaluatorFunction | |
| 29 | { | |
| 30 | public: | |
| 31 | ||
| 32 | //! Empty constructor | |
| 33 | BSplCLib_EvaluatorFunction () {} | |
| 34 | ||
| 35 | //! Destructor should be declared as virtual | |
| 36 | virtual ~BSplCLib_EvaluatorFunction () {} | |
| 37 | ||
| 38 | //! Function evaluation method to be defined by descendant | |
| 39 | virtual void Evaluate (const Standard_Integer theDerivativeRequest, | |
| 40 | const Standard_Real* theStartEnd, | |
| 41 | const Standard_Real theParameter, | |
| 42 | Standard_Real& theResult, | |
| 43 | Standard_Integer& theErrorCode) const = 0; | |
| 44 | ||
| 45 | //! Shortcut for function-call style usage | |
| 46 | void operator () (const Standard_Integer theDerivativeRequest, | |
| 47 | const Standard_Real* theStartEnd, | |
| 48 | const Standard_Real theParameter, | |
| 49 | Standard_Real& theResult, | |
| 50 | Standard_Integer& theErrorCode) const | |
| 51 | { | |
| 52 | Evaluate (theDerivativeRequest, theStartEnd, theParameter, theResult, theErrorCode); | |
| 53 | } | |
| 54 | ||
| 55 | private: | |
| 56 | ||
| 57 | //! Copy constructor is declared private to forbid copying | |
| 58 | BSplCLib_EvaluatorFunction (const BSplCLib_EvaluatorFunction&) {} | |
| 59 | ||
| 60 | //! Assignment operator is declared private to forbid copying | |
| 61 | void operator = (const BSplCLib_EvaluatorFunction&) {} | |
| 62 | }; | |
| 7fd59977 | 63 | |
| 64 | #endif |