Open CASCADE Technology 6.6.0
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Describes any numeric constant known by a special name
(as PI, e,...).
#include <Expr_NamedConstant.hxx>
Public Member Functions | |
Expr_NamedConstant (const TCollection_AsciiString &name, const Standard_Real value) | |
Creates a constant value of name <name> and value . | |
Standard_Real | GetValue () const |
Standard_Integer | NbSubExpressions () const |
returns the number of sub-expressions contained in <me> (always returns zero) | |
const Handle_Expr_GeneralExpression & | SubExpression (const Standard_Integer I) const |
returns the -th sub-expression of <me> raises OutOfRange | |
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. (returns always False) | |
Standard_Boolean | Contains (const Handle< Expr_GeneralExpression > &exp) const |
Tests if <exp> is contained in <me>. | |
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>. |
Expr_NamedConstant::Expr_NamedConstant | ( | const TCollection_AsciiString & | name, |
const Standard_Real | value | ||
) |
Standard_Boolean Expr_NamedConstant::Contains | ( | const Handle< Expr_GeneralExpression > & | exp | ) | const [virtual] |
Implements Expr_GeneralExpression.
Standard_Boolean Expr_NamedConstant::ContainsUnknowns | ( | ) | const [virtual] |
Implements Expr_GeneralExpression.
Handle_Expr_GeneralExpression Expr_NamedConstant::Copy | ( | ) | const [virtual] |
Implements Expr_GeneralExpression.
Handle_Expr_GeneralExpression Expr_NamedConstant::Derivative | ( | const Handle< Expr_NamedUnknown > & | X | ) | const [virtual] |
Implements Expr_GeneralExpression.
Standard_Real Expr_NamedConstant::Evaluate | ( | const Expr_Array1OfNamedUnknown & | vars, |
const TColStd_Array1OfReal & | vals | ||
) | const [virtual] |
Implements Expr_GeneralExpression.
Standard_Real Expr_NamedConstant::GetValue | ( | ) | const |
Standard_Boolean Expr_NamedConstant::IsLinear | ( | ) | const [virtual] |
Implements Expr_GeneralExpression.
Standard_Integer Expr_NamedConstant::NbSubExpressions | ( | ) | const [virtual] |
Implements Expr_GeneralExpression.
virtual Handle_Expr_GeneralExpression Expr_NamedConstant::NDerivative | ( | const Handle< Expr_NamedUnknown > & | X, |
const Standard_Integer | N | ||
) | const [virtual] |
Reimplemented from Expr_GeneralExpression.
void Expr_NamedConstant::Replace | ( | const Handle< Expr_NamedUnknown > & | var, |
const Handle< Expr_GeneralExpression > & | with | ||
) | [virtual] |
Implements Expr_GeneralExpression.
Handle_Expr_GeneralExpression Expr_NamedConstant::ShallowSimplified | ( | ) | const [virtual] |
Implements Expr_GeneralExpression.
Handle_Expr_GeneralExpression Expr_NamedConstant::Simplified | ( | ) | const [virtual] |
Implements Expr_GeneralExpression.
const Handle_Expr_GeneralExpression& Expr_NamedConstant::SubExpression | ( | const Standard_Integer | I | ) | const [virtual] |
Implements Expr_GeneralExpression.