test_basic.py 文件源码

def test2(self):
        s = scal.constant(56.)
        t = as_tensor_variable(s)
        self.assertTrue(t.owner.op is tensor_from_scalar)
        self.assertTrue(t.type.broadcastable == (), t.type.broadcastable)
        self.assertTrue(t.type.ndim == 0, t.type.ndim)
        self.assertTrue(t.type.dtype == s.type.dtype)

        v = eval_outputs([t])

        self.assertTrue(v == 56., v)
        self.assertTrue(isinstance(v, numpy.ndarray))
        self.assertTrue(v.shape == (), v.shape)

        g = grad(t, s)
        self.assertTrue(eval_outputs([g]) == 1.)