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# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import numpy as np
from tensorflow.python.framework import ops
from tensorflow.python.ops import array_ops
from tensorflow.python.platform import test
class SparseMaskTest(test.TestCase):
def testBasic(self):
values = np.random.rand(4, 4).astype(np.single)
indices = np.array([0, 2, 3, 4], dtype=np.int32)
mask_indices = np.array([0], dtype=np.int32)
out_values = values[1:, :]
out_indices = np.array([2, 3, 4], dtype=np.int32)
with self.cached_session() as sess:
values_tensor = ops.convert_to_tensor(values)
indices_tensor = ops.convert_to_tensor(indices)
mask_indices_tensor = ops.convert_to_tensor(mask_indices)
t = ops.IndexedSlices(values_tensor, indices_tensor)
masked_t = array_ops.sparse_mask(t, mask_indices_tensor)
tf_out_values, tf_out_indices = sess.run(
[masked_t.values, masked_t.indices])
self.assertAllEqual(tf_out_values, out_values)
self.assertAllEqual(tf_out_indices, out_indices)
if __name__ == "__main__":
test.main()
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