{{alias}}( a, b )
    Computes the least common multiple (lcm).

    If either `a` or `b` is `0`, the function returns `0`.

    Both `a` and `b` must have integer values; otherwise, the function returns
    `NaN`.

    Parameters
    ----------
    a: integer
        First integer.

    b: integer
        Second integer.

    Returns
    -------
    out: integer
        Least common multiple.

    Examples
    --------
    > var v = {{alias}}( 21, 6 )
    42

    See Also
    --------