{{alias}}( x )
    Rounds a numeric value to the nearest power of ten toward zero.

    The function may not return accurate results for subnormals due to a general
    loss in precision.

    Parameters
    ----------
    x: number
        Input value.

    Returns
    -------
    y: number
        Rounded value.

    Examples
    --------
    > var y = {{alias}}( 3.14 )
    1.0
    > y = {{alias}}( -4.2 )
    -1.0
    > y = {{alias}}( -4.6 )
    -1.0
    > y = {{alias}}( 9.5 )
    1.0
    > y = {{alias}}( 13.0 )
    10.0
    > y = {{alias}}( -13.0 )
    -10.0
    > y = {{alias}}( -0.0 )
    -0.0

    See Also
    --------