48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#include "tensorflow/stream_executor/rng.h"
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#include "tensorflow/stream_executor/platform/logging.h"
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namespace stream_executor {
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namespace rng {
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bool RngSupport::CheckSeed(const uint8 *seed, uint64 seed_bytes) {
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CHECK(seed != nullptr);
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if (seed_bytes < kMinSeedBytes) {
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LOG(INFO) << "Insufficient RNG seed data specified: " << seed_bytes
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<< ". At least " << RngSupport::kMinSeedBytes
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<< " bytes are required.";
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return false;
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}
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if (seed_bytes > kMaxSeedBytes) {
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LOG(INFO) << "Too much RNG seed data specified: " << seed_bytes
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<< ". At most " << RngSupport::kMaxSeedBytes
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<< " bytes may be provided.";
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return false;
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}
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return true;
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}
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const int RngSupport::kMinSeedBytes;
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const int RngSupport::kMaxSeedBytes;
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} // namespace rng
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} // namespace stream_executor
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