blob: ecefe65c2e64dfd51ded04725cebc7e728a030d8 [file] [log] [blame]
/*
*
* 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