def test_forward(self):
w = ad.array([[1, 2, 3], [4, 5, 6]])
zeros = ad.zeros_like(w).transpose()
actual = zeros.forward()
expect = np.zeros((3, 2))
self.assertEqual((3, 2), zeros.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
def test_forward(self):
val = np.random.random((3, 5))
w = ad.array(val)
y = w.transpose().sum()
actual = y.forward()
expect = np.sum(val)
self.assertEqual((), y.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
y = w.transpose().sum(axis=-1)
actual = y.forward()
expect = np.sum(val, axis=0)
self.assertEqual((5,), y.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
y = w.transpose().sum(axis=0)
actual = y.forward()
expect = np.sum(val, axis=-1)
self.assertEqual((3,), y.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
y = w.transpose().sum(axis=(0, -1))
actual = y.forward()
expect = np.sum(val)
self.assertEqual((), y.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
def test_forward_keepdims(self):
val = np.random.random((3, 5))
w = ad.array(val)
y = ad.sum(w.transpose(), keepdims=True)
actual = y.forward()
expect = np.sum(val, keepdims=True)
self.assertEqual((1, 1), y.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
y = w.transpose().sum(axis=-1, keepdims=True)
actual = y.forward()
expect = np.transpose(np.sum(val, axis=0, keepdims=True))
self.assertEqual((5, 1), y.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
y = w.transpose().sum(axis=0, keepdims=True)
actual = y.forward()
expect = np.transpose(np.sum(val, axis=-1, keepdims=True))
self.assertEqual((1, 3), y.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
y = w.transpose().sum(axis=(0, -1), keepdims=True)
actual = y.forward()
expect = np.sum(val, keepdims=True)
self.assertEqual((1, 1), y.shape)
self.assertTrue(np.allclose(expect, actual), (expect, actual))
def test_backward(self):
w = ad.array([[1, 2, 3], [4, 5, 6]])
zeros = ad.zeros_like(w).transpose()
self.numeric_gradient_check(zeros, {}, [])
def test_constants(self):
x = ad.array(np.arange(12)).reshape((3, 4)).transpose().simplify()
self.assertEqual('constant(shape=(4, 3))', x.name)