| // Copyright 2020 Google LLC |
| // |
| // 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 |
| // |
| // https://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. |
| |
| #ifndef PLATFORM_BASE_PRNG_H_ |
| #define PLATFORM_BASE_PRNG_H_ |
| |
| #include <cstdint> |
| |
| namespace location { |
| namespace nearby { |
| |
| // A (non-cryptographic) pseudo-random number generator. |
| class Prng { |
| public: |
| Prng(); |
| ~Prng(); |
| |
| std::int32_t NextInt32(); |
| std::uint32_t NextUint32(); |
| std::int64_t NextInt64(); |
| }; |
| |
| } // namespace nearby |
| } // namespace location |
| |
| #endif // PLATFORM_BASE_PRNG_H_ |