def METHOD_NAME(moment, moment_threshold, beta,
                                  corner_moment):
    '''
    Tapered Gutenberg-Richter Probability Density Function
    :param float or numpy.ndarray moment:
        Moment for calculation of rate
    :param float or numpy.ndarray moment_threshold:
        Threshold Moment of the distribution (moment rate essentially!)
    :param float beta:
        Beta value (b * ln(10.)) of the Tapered Gutenberg-Richter Function
    :param float corner_momnet:
        Corner moment of the Tapered Gutenberg-Richter Function
    :returns:
        Absolute probability of moment release > moment
    '''
    return ((beta / moment + 1. / corner_moment) *
            tapered_gutenberg_richter_cdf(moment, moment_threshold, beta,
                                          corner_moment))