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Expr


Expr_NumericValue Class Reference

This class describes any reel value defined in an
expression.
.

#include <Expr_NumericValue.hxx>

Inheritance diagram for Expr_NumericValue:

Inheritance graph
[legend]

Public Member Functions

Standard_EXPORT Expr_NumericValue (const Standard_Real val)
Standard_EXPORT Standard_Real GetValue () const
Standard_EXPORT void SetValue (const Standard_Real val)
Standard_EXPORT Standard_Integer NbSubExpressions () const
 Returns the number of sub-expressions contained
in <me> ( >= 0)
.
Standard_EXPORT const Handle_Expr_GeneralExpression & SubExpression (const Standard_Integer I) const
 Returns the -th sub-expression of <me>
raises OutOfRange if > NbSubExpressions(me)
.

Standard_EXPORT Handle_Expr_GeneralExpression Simplified () const
 Returns a GeneralExpression after replacement of
NamedUnknowns by an associated expression and after
values computation.
.
Standard_EXPORT Handle_Expr_GeneralExpression ShallowSimplified () const
 Returns a GeneralExpression after a simplification
of the arguments of <me>.
.
Standard_EXPORT Handle_Expr_GeneralExpression Copy () const
 Returns a copy of <me> having the same unknowns and functions.
.
Standard_EXPORT Standard_Boolean ContainsUnknowns () const
 Tests if <me> contains NamedUnknown.
.
Standard_EXPORT Standard_Boolean Contains (const Handle(Expr_GeneralExpression)&exp) const
 Tests if <exp> is contained in <me>.
.
Standard_EXPORT Standard_Boolean IsIdentical (const Handle(Expr_GeneralExpression)&Other) const
 Tests if <me> and <other> define the same expression.
This method does not include any simplification before
testing.
.
Standard_EXPORT Standard_Boolean IsLinear () const
 Tests if <me> is linear on every NamedUnknown it
contains.
.
Standard_EXPORT Handle_Expr_GeneralExpression Derivative (const Handle(Expr_NamedUnknown)&X) const
 Returns the derivative on <x> unknown of <me>
.
virtual Standard_EXPORT Handle_Expr_GeneralExpression NDerivative (const Handle(Expr_NamedUnknown)&X, const Standard_Integer N) const
 Returns the <n>-th derivative on <x> unknown of <me>.
Raises OutOfRange if <n> <= 0
.
Standard_EXPORT void Replace (const Handle(Expr_NamedUnknown)&var, const Handle(Expr_GeneralExpression)&with)
 Replaces all occurences of with <with> in <me>
.

Standard_EXPORT Standard_Real Evaluate (const Expr_Array1OfNamedUnknown &vars, const TColStd_Array1OfReal &vals) const
 Returns the value of <me> (as a Real) by
replacement of <vars> by <vals>.
.
Standard_EXPORT TCollection_AsciiString String () const
 returns a string representing <me> in a readable way.

Standard_EXPORT const Handle (Standard_Type)&DynamicType() const

Private Attributes

Standard_Real myValue

Constructor & Destructor Documentation

Standard_EXPORT Expr_NumericValue::Expr_NumericValue const Standard_Real  val  ) 
 


Member Function Documentation

Standard_EXPORT Standard_Boolean Expr_NumericValue::Contains const Handle(Expr_GeneralExpression)&  exp  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT Standard_Boolean Expr_NumericValue::ContainsUnknowns  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT Handle_Expr_GeneralExpression Expr_NumericValue::Copy  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT Handle_Expr_GeneralExpression Expr_NumericValue::Derivative const Handle(Expr_NamedUnknown)&  X  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT Standard_Real Expr_NumericValue::Evaluate const Expr_Array1OfNamedUnknown vars,
const TColStd_Array1OfReal vals
const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT Standard_Real Expr_NumericValue::GetValue  )  const
 

Standard_EXPORT const Expr_NumericValue::Handle Standard_Type   )  const
 

Reimplemented from Expr_GeneralExpression.

Standard_EXPORT Standard_Boolean Expr_NumericValue::IsIdentical const Handle(Expr_GeneralExpression)&  Other  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT Standard_Boolean Expr_NumericValue::IsLinear  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT Standard_Integer Expr_NumericValue::NbSubExpressions  )  const [virtual]
 

Implements Expr_GeneralExpression.

virtual Standard_EXPORT Handle_Expr_GeneralExpression Expr_NumericValue::NDerivative const Handle(Expr_NamedUnknown)&  X,
const Standard_Integer  N
const [virtual]
 

Reimplemented from Expr_GeneralExpression.

Standard_EXPORT void Expr_NumericValue::Replace const Handle(Expr_NamedUnknown)&  var,
const Handle(Expr_GeneralExpression)&  with
[virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT void Expr_NumericValue::SetValue const Standard_Real  val  ) 
 

Standard_EXPORT Handle_Expr_GeneralExpression Expr_NumericValue::ShallowSimplified  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT Handle_Expr_GeneralExpression Expr_NumericValue::Simplified  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT TCollection_AsciiString Expr_NumericValue::String  )  const [virtual]
 

Implements Expr_GeneralExpression.

Standard_EXPORT const Handle_Expr_GeneralExpression& Expr_NumericValue::SubExpression const Standard_Integer  I  )  const [virtual]
 

Implements Expr_GeneralExpression.


Field Documentation

Standard_Real Expr_NumericValue::myValue [private]
 


The documentation for this class was generated from the following file:
Generated on Mon Aug 25 13:12:30 2008 for OpenCASCADE by  doxygen 1.4.1