def test_identity(self):
with self.cached_session():
tensor_shape = (3, 4, 5)
with self.assertRaises(ValueError):
self._runner(initializers.IdentityV2(),
tensor_shape,
target_mean=1. / tensor_shape[0],
target_max=1.)
tensor_shape = (3, 3)
self._runner(initializers.IdentityV2(),
tensor_shape,
target_mean=1. / tensor_shape[0],
target_max=1.)
def test_partition(self):
with self.cached_session():
partition_enabled_initializers = [
initializers.ZerosV2(),
initializers.OnesV2(),
initializers.RandomUniformV2(),
initializers.RandomNormalV2(),
initializers.TruncatedNormalV2(),
initializers.LecunUniformV2(),
initializers.GlorotUniformV2(),
initializers.HeUniformV2()
]
for initializer in partition_enabled_initializers:
got = initializer(shape=(4, 2),
partition_shape=(2, 2),
partition_offset=(0, 0))
self.assertEqual(got.shape, (2, 2))
partition_forbidden_initializers = [
initializers.OrthogonalV2(),
initializers.IdentityV2()
]
for initializer in partition_forbidden_initializers:
with self.assertRaisesRegex(
ValueError,
"initializer doesn't support partition-related arguments"
):
initializer(shape=(4, 2),
partition_shape=(2, 2),
partition_offset=(0, 0))