1 | /* Copyright 2020 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 | |
16 | #ifndef TENSORFLOW_CORE_KERNELS_STATELESS_RANDOM_OPS_V2_H_ |
17 | #define TENSORFLOW_CORE_KERNELS_STATELESS_RANDOM_OPS_V2_H_ |
18 | |
19 | #include "tensorflow/core/framework/rng_alg.h" |
20 | #include "tensorflow/core/framework/tensor_shape.h" |
21 | |
22 | namespace tensorflow { |
23 | |
24 | inline Status CheckKeyCounterShape(int minimum_counter_size, |
25 | TensorShape const& key_shape, |
26 | TensorShape const& counter_shape) { |
27 | if (!(key_shape.dims() == 1 && key_shape.dim_size(0) == RNG_KEY_SIZE)) { |
28 | return errors::InvalidArgument( |
29 | "key must have shape [" , RNG_KEY_SIZE, "], not " , |
30 | key_shape.DebugString(), |
31 | ". (Note that batched keys are not supported yet.)" ); |
32 | } |
33 | if (!(counter_shape.dims() == 1 && |
34 | counter_shape.dim_size(0) >= minimum_counter_size)) { |
35 | return errors::InvalidArgument( |
36 | "counter must be a vector with length at least " , minimum_counter_size, |
37 | "; got shape: " , counter_shape.DebugString(), |
38 | ". (Note that batched counters are not supported yet.)" ); |
39 | } |
40 | return OkStatus(); |
41 | } |
42 | |
43 | } // end namespace tensorflow |
44 | |
45 | #endif // TENSORFLOW_CORE_KERNELS_STATELESS_RANDOM_OPS_V2_H_ |
46 | |