{{alias}}( value )
    Tests if a value is NaN.

    Parameters
    ----------
    value: any
        Value to test.

    Returns
    -------
    bool: boolean
        Boolean indicating whether value is NaN.

    Examples
    --------
    > var bool = {{alias}}( NaN )
    true
    > bool = {{alias}}( new Number( NaN ) )
    true
    > bool = {{alias}}( 3.14 )
    false
    > bool = {{alias}}( null )
    false


{{alias}}.isPrimitive( value )
    Tests if a value is a NaN number primitive.

    Parameters
    ----------
    value: any
        Value to test.

    Returns
    -------
    bool: boolean
        Boolean indicating whether value is a NaN number primitive.

    Examples
    --------
    > var bool = {{alias}}.isPrimitive( NaN )
    true
    > bool = {{alias}}.isPrimitive( 3.14 )
    false
    > bool = {{alias}}.isPrimitive( new Number( NaN ) )
    false


{{alias}}.isObject( value )
    Tests if a value is a number object having a value of NaN.

    Parameters
    ----------
    value: any
        Value to test.

    Returns
    -------
    bool: boolean
        Boolean indicating whether value is a number object having a value of
        NaN.

    Examples
    --------
    > var bool = {{alias}}.isObject( NaN )
    false
    > bool = {{alias}}.isObject( new Number( NaN ) )
    true

    See Also
    --------