| /* 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. |
| ==============================================================================*/ |
| |
| #include "tensorflow/stream_executor/rng.h" |
| |
| #include "tensorflow/stream_executor/platform/logging.h" |
| |
| namespace stream_executor { |
| namespace rng { |
| |
| bool RngSupport::CheckSeed(const uint8 *seed, uint64 seed_bytes) { |
| CHECK(seed != nullptr); |
| |
| if (seed_bytes < kMinSeedBytes) { |
| LOG(INFO) << "Insufficient RNG seed data specified: " << seed_bytes |
| << ". At least " << RngSupport::kMinSeedBytes |
| << " bytes are required."; |
| return false; |
| } |
| |
| if (seed_bytes > kMaxSeedBytes) { |
| LOG(INFO) << "Too much RNG seed data specified: " << seed_bytes |
| << ". At most " << RngSupport::kMaxSeedBytes |
| << " bytes may be provided."; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| const int RngSupport::kMinSeedBytes; |
| const int RngSupport::kMaxSeedBytes; |
| |
| } // namespace rng |
| } // namespace stream_executor |