Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/tensorflow/python/ops/optional_grad.py: 78%

1# Copyright 2018 The TensorFlow Authors. All Rights Reserved. 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14# ============================================================================== 

15"""Gradient functions for optional ops.""" 

16 

17from tensorflow.python.framework import ops 

18from tensorflow.python.ops import gen_optional_ops 

19 

20 

21@ops.RegisterGradient("OptionalFromValue") 

22def _OptionalFromValueGrad(op, grad): 

23 return gen_optional_ops.optional_get_value( 

24 grad, [t.dtype for t in op.inputs], [t.shape for t in op.inputs] 

25 ) 

26 

27 

28@ops.RegisterGradient("OptionalGetValue") 

29def _OptionalGetValueGrad(unused_op, *grads): 

30 return gen_optional_ops.optional_from_value(grads)