This class describes any variable of an expression. Assignment is treated directly in this class. More...
#include <Expr_NamedUnknown.hxx>
Inheritance diagram for Expr_NamedUnknown:
Public Member Functions | |
| Expr_NamedUnknown (const TCollection_AsciiString &name) | |
| Standard_Boolean | IsAssigned () const |
| Tests if an expression is assigned to <me>. More... | |
| const Handle< Expr_GeneralExpression > & | AssignedExpression () const |
| If exists, returns the assigned expression. An exception is raised if the expression does not exist. More... | |
| void | Assign (const Handle< Expr_GeneralExpression > &exp) |
| Assigns <me> to <exp> expression. Raises exception if <exp> refers to <me>. More... | |
| void | Deassign () |
| Supresses the assigned expression. More... | |
| Standard_Integer | NbSubExpressions () const override |
| Returns the number of sub-expressions contained in <me> ( >= 0) More... | |
| const Handle< Expr_GeneralExpression > & | SubExpression (const Standard_Integer I) const override |
| Returns the -th sub-expression of <me> raises OutOfRange if > NbSubExpressions(me) More... | |
| Handle< Expr_GeneralExpression > | Simplified () const override |
| Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression and after values computation. More... | |
| Handle< Expr_GeneralExpression > | ShallowSimplified () const override |
| Returns a GeneralExpression after a simplification of the arguments of <me>. More... | |
| Handle< Expr_GeneralExpression > | Copy () const override |
| Returns a copy of <me> having the same unknowns and functions. More... | |
| Standard_Boolean | ContainsUnknowns () const override |
| Tests if <me> contains NamedUnknown. More... | |
| Standard_Boolean | Contains (const Handle< Expr_GeneralExpression > &exp) const override |
| Tests if <exp> is contained in <me>. More... | |
| Standard_Boolean | IsLinear () const override |
| Tests if <me> is linear on every NamedUnknown it contains. More... | |
| Handle< Expr_GeneralExpression > | Derivative (const Handle< Expr_NamedUnknown > &X) const override |
| Returns the derivative on <X> unknown of <me> More... | |
| void | Replace (const Handle< Expr_NamedUnknown > &var, const Handle< Expr_GeneralExpression > &with) override |
| Replaces all occurences of with <with> in <me> Raises InvalidOperand if <with> contains <me>. More... | |
| Standard_Real | Evaluate (const Expr_Array1OfNamedUnknown &vars, const TColStd_Array1OfReal &vals) const override |
| 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. More... | |
 Public Member Functions inherited from Expr_NamedExpression | |
| const TCollection_AsciiString & | GetName () const |
| void | SetName (const TCollection_AsciiString &name) |
| virtual Standard_Boolean | IsShareable () const override |
| Tests if <me> can be shared by one or more expressions or must be copied. This method redefines to a True value the GeneralExpression method. More... | |
| Standard_Boolean | IsIdentical (const Handle< Expr_GeneralExpression > &Other) const override |
| Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing. More... | |
| TCollection_AsciiString | String () const override |
| returns a string representing <me> in a readable way. More... | |
| Public Member Functions inherited from Expr_GeneralExpression | |
| 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>. Raise OutOfRange if N <= 0. More... | |
| Standard_Real | EvaluateNumeric () const |
| 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. More... | |
| Public Member Functions inherited from MMgt_TShared | |
| virtual void | Delete () const override |
| Memory deallocator for transient classes. More... | |
| Public Member Functions inherited from Standard_Transient | |
| Standard_Transient () | |
| Empty constructor. More... | |
| Standard_Transient (const Standard_Transient &) | |
| Copy constructor – does nothing. More... | |
| Standard_Transient & | operator= (const Standard_Transient &) |
| Assignment operator, needed to avoid copying reference counter. More... | |
| virtual | ~Standard_Transient () |
| Destructor must be virtual. More... | |
| virtual const opencascade::handle< Standard_Type > & | DynamicType () const |
| Returns a type descriptor about this object. More... | |
| Standard_Boolean | IsInstance (const opencascade::handle< Standard_Type > &theType) const |
| Returns a true value if this is an instance of Type. More... | |
| Standard_Boolean | IsInstance (const Standard_CString theTypeName) const |
| Returns a true value if this is an instance of TypeName. More... | |
| Standard_Boolean | IsKind (const opencascade::handle< Standard_Type > &theType) const |
| Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More... | |
| Standard_Boolean | IsKind (const Standard_CString theTypeName) const |
| Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More... | |
| Standard_Transient * | This () const |
| Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More... | |
| Standard_Integer | GetRefCount () const |
| Get the reference counter of this object. More... | |
| void | IncrementRefCounter () const |
| Increments the reference counter of this object. More... | |
| Standard_Integer | DecrementRefCounter () const |
| Decrements the reference counter of this object; returns the decremented value. More... | |
Additional Inherited Members | |
| Public Types inherited from Standard_Transient | |
| typedef void | base_type |
| Returns a type descriptor about this object. More... | |
| Static Public Member Functions inherited from Standard_Transient | |
| static const char * | get_type_name () |
| Returns a type descriptor about this object. More... | |
| static const opencascade::handle< Standard_Type > & | get_type_descriptor () |
| Returns type descriptor of Standard_Transient class. More... | |
Detailed Description
This class describes any variable of an expression. Assignment is treated directly in this class.
Constructor & Destructor Documentation
| Expr_NamedUnknown::Expr_NamedUnknown | ( | const TCollection_AsciiString & | name | ) |
Member Function Documentation
| void Expr_NamedUnknown::Assign | ( | const Handle< Expr_GeneralExpression > & | exp | ) |
Assigns <me> to <exp> expression. Raises exception if <exp> refers to <me>.
| const Handle< Expr_GeneralExpression >& Expr_NamedUnknown::AssignedExpression | ( | ) | const |
If exists, returns the assigned expression. An exception is raised if the expression does not exist.
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overridevirtual |
Tests if <exp> is contained in <me>.
Implements Expr_GeneralExpression.
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overridevirtual |
Tests if <me> contains NamedUnknown.
Implements Expr_GeneralExpression.
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overridevirtual |
Returns a copy of <me> having the same unknowns and functions.
Implements Expr_GeneralExpression.
| void Expr_NamedUnknown::Deassign | ( | ) |
Supresses the assigned expression.
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overridevirtual |
Returns the derivative on <X> unknown of <me>
Implements Expr_GeneralExpression.
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overridevirtual |
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.
Implements Expr_GeneralExpression.
| Standard_Boolean Expr_NamedUnknown::IsAssigned | ( | ) | const |
Tests if an expression is assigned to <me>.
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overridevirtual |
Tests if <me> is linear on every NamedUnknown it contains.
Implements Expr_GeneralExpression.
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overridevirtual |
Returns the number of sub-expressions contained in <me> ( >= 0)
Implements Expr_GeneralExpression.
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overridevirtual |
Replaces all occurences of with <with> in <me> Raises InvalidOperand if <with> contains <me>.
Implements Expr_GeneralExpression.
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overridevirtual |
Returns a GeneralExpression after a simplification of the arguments of <me>.
Implements Expr_GeneralExpression.
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overridevirtual |
Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression and after values computation.
Implements Expr_GeneralExpression.
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overridevirtual |
Returns the -th sub-expression of <me> raises OutOfRange if > NbSubExpressions(me)
Implements Expr_GeneralExpression.
The documentation for this class was generated from the following file:
