def testMoveaxisExecution(self):
x = zeros((3, 4, 5), chunk_size=2)
t = moveaxis(x, 0, -1)
res = self.executor.execute_tensor(t, concat=True)[0]
self.assertEqual(res.shape, (4, 5, 3))
t = moveaxis(x, -1, 0)
res = self.executor.execute_tensor(t, concat=True)[0]
self.assertEqual(res.shape, (5, 3, 4))
t = moveaxis(x, [0, 1], [-1, -2])
res = self.executor.execute_tensor(t, concat=True)[0]
self.assertEqual(res.shape, (5, 4, 3))
t = moveaxis(x, [0, 1, 2], [-1, -2, -3])
res = self.executor.execute_tensor(t, concat=True)[0]
self.assertEqual(res.shape, (5, 4, 3))
def testCreateView(self):
arr = ones((10, 20, 30), chunk_size=[4, 3, 5])
arr2 = transpose(arr)
self.assertTrue(arr2.op.create_view)
arr3 = transpose(arr)
self.assertTrue(arr3.op.create_view)
arr4 = arr.swapaxes(0, 1)
self.assertTrue(arr4.op.create_view)
arr5 = moveaxis(arr, 1, 0)
self.assertTrue(arr5.op.create_view)
arr6 = atleast_1d(1)
self.assertTrue(arr6.op.create_view)
arr7 = atleast_2d([1, 1])
self.assertTrue(arr7.op.create_view)
arr8 = atleast_3d([1, 1])
self.assertTrue(arr8.op.create_view)
arr9 = arr[:3, [1, 2, 3]]
# no view cuz of fancy indexing
self.assertFalse(arr9.op.create_view)
arr10 = arr[:3, None, :5]
self.assertTrue(arr10.op.create_view)
data = np.array([[[0], [1], [2]]])
x = tensor(data)
t = squeeze(x)
self.assertTrue(t.op.create_view)
y = x.reshape(3)
self.assertTrue(y.op.create_view)