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1 | // Created on: 1991-07-17 |
| 2 | // Created by: Isabelle GRIGNON |
| 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 _math_FunctionSample_HeaderFile |
| 18 | #define _math_FunctionSample_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 | class Standard_OutOfRange; |
| 27 | |
| 28 | |
| 29 | //! This class gives a default sample (constant difference |
| 30 | //! of parameter) for a function defined between |
| 31 | //! two bound A,B. |
| 32 | class math_FunctionSample |
| 33 | { |
| 34 | public: |
| 35 | |
| 36 | DEFINE_STANDARD_ALLOC |
| 37 | |
| 38 | |
| 39 | Standard_EXPORT math_FunctionSample(const Standard_Real A, const Standard_Real B, const Standard_Integer N); |
| 40 | |
| 41 | //! Returns the bounds of parameters. |
| 42 | Standard_EXPORT virtual void Bounds (Standard_Real& A, Standard_Real& B) const; |
| 43 | |
| 44 | //! Returns the number of sample points. |
| 45 | Standard_EXPORT Standard_Integer NbPoints() const; |
| 46 | |
| 47 | //! Returns the value of parameter of the point of |
| 48 | //! range Index : A + ((Index-1)/(NbPoints-1))*B. |
| 49 | //! An exception is raised if Index<=0 or Index>NbPoints. |
| 50 | Standard_EXPORT virtual Standard_Real GetParameter (const Standard_Integer Index) const; |
| 51 | |
| 52 | |
| 53 | |
| 54 | |
| 55 | protected: |
| 56 | |
| 57 | |
| 58 | |
| 59 | |
| 60 | |
| 61 | private: |
| 62 | |
| 63 | |
| 64 | |
| 65 | Standard_Real a; |
| 66 | Standard_Real b; |
| 67 | Standard_Integer n; |
| 68 | |
| 69 | |
| 70 | }; |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 75 | |
| 76 | |
| 77 | |
| 78 | #endif // _math_FunctionSample_HeaderFile |
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