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 79