/* * Copyright (c) 2024, The OpenThread Authors. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holder nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /** * @file * This file includes definitions for generic number utility functions (min, max). */ #ifndef LIB_UTILS_MATH_HPP_ #define LIB_UTILS_MATH_HPP_ namespace ot { namespace Lib { namespace Utils { /** * This template function returns the minimum of two given values. * * Uses `operator<` to compare the values. * * @tparam Type The value type. * * @param[in] aFirst The first value. * @param[in] aSecond The second value. * * @returns The minimum of @p aFirst and @p aSecond. * */ template Type Min(Type aFirst, Type aSecond) { return (aFirst < aSecond) ? aFirst : aSecond; } /** * This template function returns the maximum of two given values. * * Uses `operator<` to compare the values. * * @tparam Type The value type. * * @param[in] aFirst The first value. * @param[in] aSecond The second value. * * @returns The maximum of @p aFirst and @p aSecond. * */ template Type Max(Type aFirst, Type aSecond) { return (aFirst < aSecond) ? aSecond : aFirst; } /** * Casts a given `uint32_t` to `unsigned long`. * * @param[in] aUint32 A `uint32_t` value. * * @returns The @p aUint32 value as `unsigned long`. * */ inline unsigned long ToUlong(uint32_t aUint32) { return static_cast(aUint32); } } // namespace Utils } // namespace Lib } // namespace ot #endif // LIB_UTILS_MATH_HPP_