OCCT3D OCCT 8.0.1
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    Open CASCADE Technology Reference Manual 8.0.1
    Expr_LogOf10 Class Reference

    #include <Expr_LogOf10.hxx>

    Inheritance diagram for Expr_LogOf10:

    Public Member Functions

     Expr_LogOf10 (const occ::handle< Expr_GeneralExpression > &exp)
     Creates the base 10 logarithm of <exp>.
    occ::handle< Expr_GeneralExpressionShallowSimplified () const override
     Returns a GeneralExpression after a simplification of the arguments of <me>.
    occ::handle< Expr_GeneralExpressionCopy () const override
     Returns a copy of <me> having the same unknowns and functions.
    bool IsIdentical (const occ::handle< Expr_GeneralExpression > &Other) const override
     Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
    bool IsLinear () const override
     Tests if <me> is linear on every NamedUnknown it contains.
    occ::handle< Expr_GeneralExpressionDerivative (const occ::handle< Expr_NamedUnknown > &X) const override
     Returns the derivative on <X> unknown of <me>.
    double Evaluate (const NCollection_Array1< occ::handle< Expr_NamedUnknown > > &vars, const NCollection_Array1< double > &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.
    TCollection_AsciiString String () const override
     returns a string representing <me> in a readable way.
    Public Member Functions inherited from Expr_UnaryExpression
    const occ::handle< Expr_GeneralExpression > & Operand () const
     Returns the operand used.
    void SetOperand (const occ::handle< Expr_GeneralExpression > &exp)
     Sets the operand used Raises InvalidOperand if <exp> contains <me>.
    int NbSubExpressions () const override
     Returns the number of sub-expressions contained in <me> ( >= 0).
    const occ::handle< Expr_GeneralExpression > & SubExpression (const int I) const override
     Returns the -th sub-expression of <me>. Raises OutOfRange if > NbSubExpressions(me).
    bool ContainsUnknowns () const override
     Does <me> contains NamedUnknown ?
    bool Contains (const occ::handle< Expr_GeneralExpression > &exp) const override
     Tests if <exp> is contained in <me>.
    void Replace (const occ::handle< Expr_NamedUnknown > &var, const occ::handle< Expr_GeneralExpression > &with) override
     Replaces all occurrences of with <with> in <me> Raises InvalidOperand if <with> contains <me>.
    occ::handle< Expr_GeneralExpressionSimplified () const override
     Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression, and after values computation.
    Public Member Functions inherited from Expr_GeneralExpression
    virtual bool IsShareable () const
     Tests if <me> can be shared by one or more expressions or must be copied. This method returns False as a default value. To be redefined ( especially for NamedUnknown).
    virtual occ::handle< Expr_GeneralExpressionNDerivative (const occ::handle< Expr_NamedUnknown > &X, const int N) const
     Returns the <N>-th derivative on <X> unknown of <me>. Raise OutOfRange if N <= 0.
    double 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.
    Public Member Functions inherited from Standard_Transient
     Standard_Transient ()
     Empty constructor.
     Standard_Transient (const Standard_Transient &)
     Copy constructor – does nothing.
    Standard_Transientoperator= (const Standard_Transient &)
     Assignment operator, needed to avoid copying reference counter.
    virtual ~Standard_Transient ()=default
     Destructor must be virtual.
    virtual const opencascade::handle< Standard_Type > & DynamicType () const
     Returns a type descriptor about this object.
    bool IsInstance (const opencascade::handle< Standard_Type > &theType) const
     Returns a true value if this is an instance of Type.
    bool IsInstance (const char *const theTypeName) const
     Returns a true value if this is an instance of TypeName.
    bool 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.
    bool IsKind (const char *const 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.
    Standard_TransientThis () 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.
    int GetRefCount () const noexcept
     Get the reference counter of this object.
    void IncrementRefCounter () noexcept
     Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations.
    int DecrementRefCounter () noexcept
     Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement.
    virtual void Delete () const
     Memory deallocator for transient classes.

    Additional Inherited Members

    typedef void base_type
     Returns a type descriptor about this object.
    static constexpr const char * get_type_name ()
     Returns a type descriptor about this object.
    static const opencascade::handle< Standard_Type > & get_type_descriptor ()
     Returns type descriptor of Standard_Transient class.
    Protected Member Functions inherited from Expr_UnaryExpression
    void CreateOperand (const occ::handle< Expr_GeneralExpression > &exp)
     Sets the operand used during creation.

    Constructor & Destructor Documentation

    ◆ Expr_LogOf10()

    Expr_LogOf10::Expr_LogOf10 ( const occ::handle< Expr_GeneralExpression > & exp)

    Creates the base 10 logarithm of <exp>.

    Member Function Documentation

    ◆ Copy()

    occ::handle< Expr_GeneralExpression > Expr_LogOf10::Copy ( ) const
    overridevirtual

    Returns a copy of <me> having the same unknowns and functions.

    Implements Expr_GeneralExpression.

    ◆ Derivative()

    occ::handle< Expr_GeneralExpression > Expr_LogOf10::Derivative ( const occ::handle< Expr_NamedUnknown > & X) const
    overridevirtual

    Returns the derivative on <X> unknown of <me>.

    Implements Expr_GeneralExpression.

    ◆ Evaluate()

    double Expr_LogOf10::Evaluate ( const NCollection_Array1< occ::handle< Expr_NamedUnknown > > & vars,
    const NCollection_Array1< double > & vals ) const
    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.

    ◆ IsIdentical()

    bool Expr_LogOf10::IsIdentical ( const occ::handle< Expr_GeneralExpression > & Other) const
    overridevirtual

    Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.

    Implements Expr_GeneralExpression.

    ◆ IsLinear()

    bool Expr_LogOf10::IsLinear ( ) const
    overridevirtual

    Tests if <me> is linear on every NamedUnknown it contains.

    Implements Expr_GeneralExpression.

    ◆ ShallowSimplified()

    occ::handle< Expr_GeneralExpression > Expr_LogOf10::ShallowSimplified ( ) const
    overridevirtual

    Returns a GeneralExpression after a simplification of the arguments of <me>.

    Implements Expr_GeneralExpression.

    ◆ String()

    TCollection_AsciiString Expr_LogOf10::String ( ) const
    overridevirtual

    returns a string representing <me> in a readable way.

    Implements Expr_GeneralExpression.


    The documentation for this class was generated from the following file: