def METHOD_NAME(self, ctx: np.recarray, imts, mean, sig, tau, phi):
    """
    See :meth:`superclass method
    <.base.GroundShakingIntensityModel.compute>`
    for spec of input and result values.
    """
    for m, imt in enumerate(imts):
        C = self.COEFFS[imt]
        mean[m] = clip_mean(imt, _compute_mean(C, ctx.mag, ctx.rjb))
        sig[m] = C['sigma']