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author | David Demelier <markand@malikania.fr> |
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date | Fri, 02 Dec 2016 22:20:10 +0100 |
parents | c79a501782b0 |
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/* * clamp.hpp -- clamp a value * * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /** * \file clamp.hpp * \brief Clamp function */ #include <algorithm> /** * Clamp the value between low and high. * * \param value the value * \param low the minimum value * \param high the maximum value * \return the value between minimum and maximum */ template <typename T> constexpr T clamp(T value, T low, T high) noexcept { return (value < high) ? std::max(value, low) : std::min(value, high); }