/usr/include/oce/Expr_GeneralExpression.hxx is in liboce-foundation-dev 0.17.2-2.
This file is owned by root:root, with mode 0o644.
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// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _Expr_GeneralExpression_HeaderFile
#define _Expr_GeneralExpression_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_Expr_GeneralExpression.hxx>
#include <MMgt_TShared.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <Handle_Expr_NamedUnknown.hxx>
#include <Standard_Real.hxx>
class Standard_OutOfRange;
class Standard_NumericError;
class Expr_NotEvaluable;
class Expr_InvalidOperand;
class Expr_NamedUnknown;
class Expr_Array1OfNamedUnknown;
class TColStd_Array1OfReal;
class TCollection_AsciiString;
//! Defines the general purposes of any expression.
class Expr_GeneralExpression : public MMgt_TShared
{
public:
//! Returns the number of sub-expressions contained
//! in <me> ( >= 0)
Standard_EXPORT virtual Standard_Integer NbSubExpressions() const = 0;
//! Returns the <I>-th sub-expression of <me>
//! raises OutOfRange if <I> > NbSubExpressions(me)
Standard_EXPORT virtual const Handle(Expr_GeneralExpression)& SubExpression (const Standard_Integer I) const = 0;
//! Returns a GeneralExpression after replacement of
//! NamedUnknowns by an associated expression and after
//! values computation.
Standard_EXPORT virtual Handle(Expr_GeneralExpression) Simplified() const = 0;
//! Returns a GeneralExpression after a simplification
//! of the arguments of <me>.
Standard_EXPORT virtual Handle(Expr_GeneralExpression) ShallowSimplified() const = 0;
//! Returns a copy of <me> having the same unknowns and
//! functions.
Standard_EXPORT virtual Handle(Expr_GeneralExpression) Copy() const = 0;
//! Tests if <me> contains NamedUnknowns.
Standard_EXPORT virtual Standard_Boolean ContainsUnknowns() const = 0;
//! Tests if <exp> is contained in <me>.
Standard_EXPORT virtual Standard_Boolean Contains (const Handle(Expr_GeneralExpression)& exp) const = 0;
//! Tests if <me> is linear on every NamedUnknown it
//! contains.
Standard_EXPORT virtual Standard_Boolean IsLinear() const = 0;
//! Tests if <me> can be shared by one or more expressions
//! or must be copied. This method returns False as a
//! default value. To be redefined ( especially for
//! NamedUnknown).
Standard_EXPORT virtual Standard_Boolean IsShareable() const;
//! Tests if <me> and <Other> define the same expression.
//! Warning: This method does not include any simplification before
//! testing. It could also be very slow; to be used
//! carefully.
Standard_EXPORT virtual Standard_Boolean IsIdentical (const Handle(Expr_GeneralExpression)& Other) const = 0;
//! Returns the derivative on <X> unknown of <me>
Standard_EXPORT virtual Handle(Expr_GeneralExpression) Derivative (const Handle(Expr_NamedUnknown)& X) const = 0;
//! Returns the <N>-th derivative on <X> unknown of <me>.
//! Raise OutOfRange if N <= 0
Standard_EXPORT virtual Handle(Expr_GeneralExpression) NDerivative (const Handle(Expr_NamedUnknown)& X, const Standard_Integer N) const;
//! Replaces all occurences of <var> with copies of <with>
//! in <me>. Copies of <with> are made with the Copy() method.
//! Raises InvalidOperand if <with> contains <me>.
Standard_EXPORT virtual void Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with) = 0;
//! Returns the value of <me> (as a Real) by
//! replacement of <vars> by <vals>.
//! Raises NotEvaluable if <me> contains NamedUnknown not
//! in <vars> or NumericError if result cannot be computed.
Standard_EXPORT virtual Standard_Real Evaluate (const Expr_Array1OfNamedUnknown& vars, const TColStd_Array1OfReal& vals) const = 0;
//! Returns the value of <me> (as a Real) by
//! replacement of <vars> by <vals>.
//! Raises NotEvaluable if <me> contains NamedUnknown not
//! in <vars> or NumericError if result cannot be computed.
Standard_EXPORT Standard_Real EvaluateNumeric() const;
//! returns a string representing <me> in a readable way.
Standard_EXPORT virtual TCollection_AsciiString String() const = 0;
DEFINE_STANDARD_RTTI(Expr_GeneralExpression)
protected:
private:
};
#endif // _Expr_GeneralExpression_HeaderFile
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