include/opencascade/Expr_ArcSine.hxx

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_ArcSine_HeaderFile
0018 #define _Expr_ArcSine_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <Expr_UnaryExpression.hxx>
0023 #include <Expr_Array1OfNamedUnknown.hxx>
0024 #include <TColStd_Array1OfReal.hxx>
0025 class Expr_GeneralExpression;
0026 class Expr_NamedUnknown;
0027 class TCollection_AsciiString;
0028
0029 class Expr_ArcSine;
0030 DEFINE_STANDARD_HANDLE(Expr_ArcSine, Expr_UnaryExpression)
0031
0032 class Expr_ArcSine : public Expr_UnaryExpression
0033 {
0034
0035 public:
0036   //! Creates the Arcsin of <exp>
0037   Standard_EXPORT Expr_ArcSine(const Handle(Expr_GeneralExpression)& exp);
0038
0039   //! Returns a GeneralExpression after a simplification
0040   //! of the arguments of <me>.
0041   Standard_EXPORT Handle(Expr_GeneralExpression) ShallowSimplified() const Standard_OVERRIDE;
0042
0043   //! Returns a copy of <me> having the same unknowns and functions.
0044   Standard_EXPORT Handle(Expr_GeneralExpression) Copy() const Standard_OVERRIDE;
0045
0046   //! Tests if <me> and <Other> define the same expression.
0047   //! This method does not include any simplification before
0048   //! testing.
0049   Standard_EXPORT Standard_Boolean
0050     IsIdentical(const Handle(Expr_GeneralExpression)& Other) const Standard_OVERRIDE;
0051
0052   Standard_EXPORT Standard_Boolean IsLinear() const Standard_OVERRIDE;
0053
0054   //! Returns the derivative on <X> unknown of <me>.
0055   Standard_EXPORT Handle(Expr_GeneralExpression) Derivative(
0056     const Handle(Expr_NamedUnknown)& X) const Standard_OVERRIDE;
0057
0058   //! Returns the value of <me> (as a Real) by
0059   //! replacement of <vars> by <vals>.
0060   //! Raises NotEvaluable if <me> contains NamedUnknown not
0061   //! in <vars> or NumericError if result cannot be computed.
0062   Standard_EXPORT Standard_Real Evaluate(const Expr_Array1OfNamedUnknown& vars,
0063                                          const TColStd_Array1OfReal& vals) const Standard_OVERRIDE;
0064
0065   //! returns a string representing <me> in a readable way.
0066   Standard_EXPORT TCollection_AsciiString String() const Standard_OVERRIDE;
0067
0068   DEFINE_STANDARD_RTTIEXT(Expr_ArcSine, Expr_UnaryExpression)
0069
0070 protected:
0071 private:
0072 };
0073
0074 #endif // _Expr_ArcSine_HeaderFile