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// This file is generated by WOK (CPPExt).
// 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_NamedConstant_HeaderFile
#define _Expr_NamedConstant_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_Expr_NamedConstant.hxx>
#include <Standard_Real.hxx>
#include <Expr_NamedExpression.hxx>
#include <Standard_Integer.hxx>
#include <Handle_Expr_GeneralExpression.hxx>
#include <Standard_Boolean.hxx>
#include <Handle_Expr_NamedUnknown.hxx>
class Standard_OutOfRange;
class TCollection_AsciiString;
class Expr_GeneralExpression;
class Expr_NamedUnknown;
class Expr_Array1OfNamedUnknown;
class TColStd_Array1OfReal;
//! Describes any numeric constant known by a special name
//! (as PI, e,...).
class Expr_NamedConstant : public Expr_NamedExpression
{
public:
//! Creates a constant value of name <name> and value <value>.
Standard_EXPORT Expr_NamedConstant(const TCollection_AsciiString& name, const Standard_Real value);
Standard_Real GetValue() const;
//! returns the number of sub-expressions contained
//! in <me> (always returns zero)
Standard_EXPORT Standard_Integer NbSubExpressions() const;
//! returns the <I>-th sub-expression of <me>
//! raises OutOfRange
Standard_EXPORT const Handle(Expr_GeneralExpression)& SubExpression (const Standard_Integer I) const;
//! returns a GeneralExpression after replacement of
//! NamedUnknowns by an associated expression and after
//! values computation.
Standard_EXPORT Handle(Expr_GeneralExpression) Simplified() const;
//! Returns a GeneralExpression after a simplification
//! of the arguments of <me>.
Standard_EXPORT Handle(Expr_GeneralExpression) ShallowSimplified() const;
//! Returns a copy of <me> having the same unknowns and functions.
Standard_EXPORT Handle(Expr_GeneralExpression) Copy() const;
//! Tests if <me> contains NamedUnknown.
//! (returns always False)
Standard_EXPORT Standard_Boolean ContainsUnknowns() const;
//! Tests if <exp> is contained in <me>.
Standard_EXPORT Standard_Boolean Contains (const Handle(Expr_GeneralExpression)& exp) const;
Standard_EXPORT Standard_Boolean IsLinear() const;
//! Returns the derivative on <X> unknown of <me>
Standard_EXPORT Handle(Expr_GeneralExpression) Derivative (const Handle(Expr_NamedUnknown)& X) const;
//! 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;
//! Replaces all occurences of <var> with <with> in <me>
Standard_EXPORT void Replace (const Handle(Expr_NamedUnknown)& var, const Handle(Expr_GeneralExpression)& with) ;
//! 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;
DEFINE_STANDARD_RTTI(Expr_NamedConstant)
protected:
private:
Standard_Real myValue;
};
#include <Expr_NamedConstant.lxx>
#endif // _Expr_NamedConstant_HeaderFile
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