univariate.py 文件源码

def _log_prob(self, given):
        loc, scale = self.path_param(self.loc),\
                     self.path_param(self.scale)
        log_scale = tf.log(scale)
        if self._check_numerics:
            log_scale = tf.check_numerics(log_scale, "log(scale)")
        return -np.log(2.) - log_scale - tf.abs(given - loc) / scale