/* 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 "simple_philox.h" #include namespace tensorflow { namespace random { uint32 SimplePhilox::Skewed(int max_log) { CHECK(0 <= max_log && max_log <= 32); const int shift = Rand32() % (max_log + 1); const uint32 mask = shift == 32 ? ~static_cast(0) : (1 << shift) - 1; return Rand32() & mask; } } // namespace random } // namespace tensorflow