
{{alias}}( a, b, c )
    Returns the standard deviation of a triangular distribution.

    If provided `NaN` as any argument, the function returns `NaN`.

    If the condition `a <= c <= b` is not satisfied, the function returns `NaN`.

    Parameters
    ----------
    a: number
        Minimum support.

    b: number
        Maximum support.

    c: number
        Mode.

    Returns
    -------
    out: number
        Standard deviation.

    Examples
    --------
    > var v = {{alias}}( 0.0, 1.0, 0.8 )
    ~0.216
    > v = {{alias}}( 4.0, 12.0, 5.0 )
    ~1.78
    > v = {{alias}}( 2.0, 8.0, 5.0 )
    ~1.225

    See Also
    --------

