mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-04 18:06:22 +03:00
127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
// Created on: 1991-01-10
|
|
// Created by: Arnaud BOUZY
|
|
// Copyright (c) 1991-1999 Matra Datavision
|
|
// Copyright (c) 1999-2014 OPEN CASCADE SAS
|
|
//
|
|
// This file is part of Open CASCADE Technology software library.
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it under
|
|
// the terms of the GNU Lesser General Public License version 2.1 as published
|
|
// by the Free Software Foundation, with special exception defined in the file
|
|
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
|
// distribution for complete text of the license and disclaimer of any warranty.
|
|
//
|
|
// Alternatively, this file may be used under the terms of Open CASCADE
|
|
// commercial license or contractual agreement.
|
|
|
|
#ifndef _Expr_NumericValue_HeaderFile
|
|
#define _Expr_NumericValue_HeaderFile
|
|
|
|
#include <Standard.hxx>
|
|
#include <Standard_Type.hxx>
|
|
|
|
#include <Standard_Real.hxx>
|
|
#include <Expr_GeneralExpression.hxx>
|
|
#include <Standard_Integer.hxx>
|
|
#include <Standard_Boolean.hxx>
|
|
#include <Expr_Array1OfNamedUnknown.hxx>
|
|
#include <TColStd_Array1OfReal.hxx>
|
|
class Standard_OutOfRange;
|
|
class Expr_GeneralExpression;
|
|
class Expr_NamedUnknown;
|
|
class TCollection_AsciiString;
|
|
|
|
|
|
class Expr_NumericValue;
|
|
DEFINE_STANDARD_HANDLE(Expr_NumericValue, Expr_GeneralExpression)
|
|
|
|
//! This class describes any reel value defined in an
|
|
//! expression.
|
|
class Expr_NumericValue : public Expr_GeneralExpression
|
|
{
|
|
|
|
public:
|
|
|
|
|
|
Standard_EXPORT Expr_NumericValue(const Standard_Real val);
|
|
|
|
Standard_EXPORT Standard_Real GetValue() const;
|
|
|
|
Standard_EXPORT void SetValue (const Standard_Real val);
|
|
|
|
//! Returns the number of sub-expressions contained
|
|
//! in <me> ( >= 0)
|
|
Standard_EXPORT Standard_Integer NbSubExpressions() const Standard_OVERRIDE;
|
|
|
|
//! Returns the <I>-th sub-expression of <me>
|
|
//! raises OutOfRange if <I> > NbSubExpressions(me)
|
|
Standard_EXPORT const Handle(Expr_GeneralExpression)& SubExpression (const Standard_Integer I) const Standard_OVERRIDE;
|
|
|
|
//! Returns a GeneralExpression after replacement of
|
|
//! NamedUnknowns by an associated expression and after
|
|
//! values computation.
|
|
Standard_EXPORT Handle(Expr_GeneralExpression) Simplified() const Standard_OVERRIDE;
|
|
|
|
//! Returns a GeneralExpression after a simplification
|
|
//! of the arguments of <me>.
|
|
Standard_EXPORT Handle(Expr_GeneralExpression) ShallowSimplified() const Standard_OVERRIDE;
|
|
|
|
//! Returns a copy of <me> having the same unknowns and functions.
|
|
Standard_EXPORT Handle(Expr_GeneralExpression) Copy() const Standard_OVERRIDE;
|
|
|
|
//! Tests if <me> contains NamedUnknown.
|
|
Standard_EXPORT Standard_Boolean ContainsUnknowns() const Standard_OVERRIDE;
|
|
|
|
//! Tests if <exp> is contained in <me>.
|
|
Standard_EXPORT Standard_Boolean Contains (const Handle(Expr_GeneralExpression)& exp) const Standard_OVERRIDE;
|
|
|
|
//! Tests if <me> and <Other> define the same expression.
|
|
//! This method does not include any simplification before
|
|
//! testing.
|
|
Standard_EXPORT Standard_Boolean IsIdentical (const Handle(Expr_GeneralExpression)& Other) const Standard_OVERRIDE;
|
|
|
|
Standard_EXPORT Standard_Boolean IsLinear() const Standard_OVERRIDE;
|
|
|
|
//! Returns the derivative on <X> unknown of <me>
|
|
Standard_EXPORT Handle(Expr_GeneralExpression) Derivative (const Handle(Expr_NamedUnknown)& X) const Standard_OVERRIDE;
|
|
|
|
//! Returns the <N>-th derivative on <X> unknown of <me>.
|
|
//! Raises OutOfRange if <N> <= 0
|
|
Standard_EXPORT virtual Handle(Expr_GeneralExpression) NDerivative (const Handle(Expr_NamedUnknown)& X, const Standard_Integer N) const Standard_OVERRIDE;
|
|
|
|
//! Replaces all occurrences of <var> with <with> in <me>
|
|
Standard_EXPORT void Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with) Standard_OVERRIDE;
|
|
|
|
//! Returns the value of <me> (as a Real) by
|
|
//! replacement of <vars> by <vals>.
|
|
Standard_EXPORT Standard_Real Evaluate (const Expr_Array1OfNamedUnknown& vars, const TColStd_Array1OfReal& vals) const Standard_OVERRIDE;
|
|
|
|
//! returns a string representing <me> in a readable way.
|
|
Standard_EXPORT TCollection_AsciiString String() const Standard_OVERRIDE;
|
|
|
|
|
|
|
|
|
|
DEFINE_STANDARD_RTTIEXT(Expr_NumericValue,Expr_GeneralExpression)
|
|
|
|
protected:
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
|
Standard_Real myValue;
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif // _Expr_NumericValue_HeaderFile
|