| /* |
| * |
| * Copyright (c) 2020 Project CHIP Authors |
| * Copyright (c) 2013-2017 Nest Labs, Inc. |
| * |
| * 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. |
| */ |
| |
| /** |
| * @file |
| * This file implements utility functions for deriving a fibonacci |
| * number from an index. |
| * |
| */ |
| |
| #pragma once |
| |
| #include <cstdint> |
| |
| namespace chip { |
| |
| /** |
| * This function generates 32-bit Fibonacci number |
| * for a given 32 bit index. The index boundary is 47, then it would overflow. |
| * |
| * @return 32-bit unsigned fibonacci number. |
| * |
| */ |
| extern uint32_t GetFibonacciForIndex(uint32_t index); |
| |
| } // namespace chip |
