test_kldiv.py 文件源码

def setUp(self):
        with self.test_session():
            N = 4
            M = 5
            self.mu = tf.placeholder(settings.float_type, [M, N])
            self.sqrt = tf.placeholder(settings.float_type, [M, N])
            self.chol = tf.placeholder(settings.float_type, [M, M, N])
            self.I = tf.placeholder(settings.float_type, [M, M])

            self.rng = np.random.RandomState(0)
            self.mu_data = self.rng.randn(M, N)
            self.sqrt_data = self.rng.randn(M, N)
            q_sqrt = np.rollaxis(np.array([np.tril(self.rng.randn(M, M)) for _ in range(N)]),
                                 0, 3)
            self.chol_data = q_sqrt

            self.feed_dict = {
                self.mu: self.mu_data,
                self.sqrt: self.sqrt_data,
                self.chol: self.chol_data,
                self.I: np.eye(M),
            }