Back to home page

EIC code displayed by LXR

 
 

    


File indexing completed on 2026-09-24 09:15:35

0001 // Created on: 1991-01-14
0002 // Created by: Arnaud BOUZY
0003 // Copyright (c) 1991-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016 
0017 #ifndef _Expr_Sine_HeaderFile
0018 #define _Expr_Sine_HeaderFile
0019 
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022 
0023 #include <Expr_UnaryExpression.hxx>
0024 #include <NCollection_Array1.hxx>
0025 class Expr_GeneralExpression;
0026 class Expr_NamedUnknown;
0027 class TCollection_AsciiString;
0028 
0029 class Expr_Sine : public Expr_UnaryExpression
0030 {
0031 
0032 public:
0033   //! Creates the sine of <exp>.
0034   Standard_EXPORT Expr_Sine(const occ::handle<Expr_GeneralExpression>& exp);
0035 
0036   //! Returns a GeneralExpression after a simplification
0037   //! of the arguments of <me>.
0038   Standard_EXPORT occ::handle<Expr_GeneralExpression> ShallowSimplified() const override;
0039 
0040   //! Returns a copy of <me> having the same unknowns and functions.
0041   Standard_EXPORT occ::handle<Expr_GeneralExpression> Copy() const override;
0042 
0043   //! Tests if <me> and <Other> define the same expression.
0044   //! This method does not include any simplification before
0045   //! testing.
0046   Standard_EXPORT bool IsIdentical(const occ::handle<Expr_GeneralExpression>& Other) const override;
0047 
0048   Standard_EXPORT bool IsLinear() const override;
0049 
0050   //! Returns the derivative on <X> unknown of <me>
0051   Standard_EXPORT occ::handle<Expr_GeneralExpression> Derivative(
0052     const occ::handle<Expr_NamedUnknown>& X) const override;
0053 
0054   //! Returns the value of <me> (as a Real) by
0055   //! replacement of <vars> by <vals>.
0056   //! Raises NotEvaluable if <me> contains NamedUnknown not
0057   //! in <vars> or NumericError if result cannot be computed.
0058   Standard_EXPORT double Evaluate(const NCollection_Array1<occ::handle<Expr_NamedUnknown>>& vars,
0059                                   const NCollection_Array1<double>& vals) const override;
0060 
0061   //! returns a string representing <me> in a readable way.
0062   Standard_EXPORT TCollection_AsciiString String() const override;
0063 
0064   DEFINE_STANDARD_RTTIEXT(Expr_Sine, Expr_UnaryExpression)
0065 };
0066 
0067 #endif // _Expr_Sine_HeaderFile