Open CASCADE Technology 6.6.0
Public Member Functions
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

 Expr_NumericValue (const Standard_Real val)
Standard_Real GetValue () const
void SetValue (const Standard_Real val)
Standard_Integer NbSubExpressions () const
 Returns the number of sub-expressions contained
in <me> ( >= 0)

const
Handle_Expr_GeneralExpression & 
SubExpression (const Standard_Integer I) const
 Returns the -th sub-expression of <me>
raises OutOfRange if > NbSubExpressions(me)

Handle_Expr_GeneralExpression Simplified () const
 Returns a GeneralExpression after replacement of
NamedUnknowns by an associated expression and after
values computation.

Handle_Expr_GeneralExpression ShallowSimplified () const
 Returns a GeneralExpression after a simplification
of the arguments of <me>.

Handle_Expr_GeneralExpression Copy () const
 Returns a copy of <me> having the same unknowns and functions.

Standard_Boolean ContainsUnknowns () const
 Tests if <me> contains NamedUnknown.

Standard_Boolean Contains (const Handle< Expr_GeneralExpression > &exp) const
 Tests if <exp> is contained in <me>.

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_Boolean IsLinear () const
 Tests if <me> is linear on every NamedUnknown it
contains.

Handle_Expr_GeneralExpression Derivative (const Handle< Expr_NamedUnknown > &X) const
 Returns the derivative on <X> unknown of <me>

virtual
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

void Replace (const Handle< Expr_NamedUnknown > &var, const Handle< Expr_GeneralExpression > &with)
 Replaces all occurences of with <with> in <me>

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>.

TCollection_AsciiString String () const
 returns a string representing <me> in a readable way.


Constructor & Destructor Documentation

Expr_NumericValue::Expr_NumericValue ( const Standard_Real  val)

Member Function Documentation

Standard_Boolean Expr_NumericValue::Contains ( const Handle< Expr_GeneralExpression > &  exp) const [virtual]
Standard_Boolean Expr_NumericValue::ContainsUnknowns ( ) const [virtual]
Handle_Expr_GeneralExpression Expr_NumericValue::Copy ( ) const [virtual]
Handle_Expr_GeneralExpression Expr_NumericValue::Derivative ( const Handle< Expr_NamedUnknown > &  X) const [virtual]
Standard_Real Expr_NumericValue::Evaluate ( const Expr_Array1OfNamedUnknown vars,
const TColStd_Array1OfReal vals 
) const [virtual]
Standard_Real Expr_NumericValue::GetValue ( ) const
Standard_Boolean Expr_NumericValue::IsIdentical ( const Handle< Expr_GeneralExpression > &  Other) const [virtual]
Standard_Boolean Expr_NumericValue::IsLinear ( ) const [virtual]
Standard_Integer Expr_NumericValue::NbSubExpressions ( ) const [virtual]
virtual Handle_Expr_GeneralExpression Expr_NumericValue::NDerivative ( const Handle< Expr_NamedUnknown > &  X,
const Standard_Integer  N 
) const [virtual]

Reimplemented from Expr_GeneralExpression.

void Expr_NumericValue::Replace ( const Handle< Expr_NamedUnknown > &  var,
const Handle< Expr_GeneralExpression > &  with 
) [virtual]
void Expr_NumericValue::SetValue ( const Standard_Real  val)
Handle_Expr_GeneralExpression Expr_NumericValue::ShallowSimplified ( ) const [virtual]
Handle_Expr_GeneralExpression Expr_NumericValue::Simplified ( ) const [virtual]
TCollection_AsciiString Expr_NumericValue::String ( ) const [virtual]
const Handle_Expr_GeneralExpression& Expr_NumericValue::SubExpression ( const Standard_Integer  I) const [virtual]

The documentation for this class was generated from the following file:
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines