clamp.hpp

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/*
    Copyright 2005-2008 Adobe Systems Incorporated
    Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt
    or a copy at http://stlab.adobe.com/licenses.html)
*/
/**************************************************************************************************/

#ifndef ADOBE_ALGORITHM_CLAMP_HPP
#define ADOBE_ALGORITHM_CLAMP_HPP

#include <cassert>

#include <adobe/algorithm/select.hpp>
#include <adobe/functional.hpp>

namespace adobe {

/**************************************************************************************************/
/**************************************************************************************************/

template <typename T, typename R>
inline const T& clamp(const T& x, const T& min, const T& max, R r)
{
    return select_1_ac(min, x, max, r);
}

template <typename T>
inline const T& clamp(const T& x, const T& min, const T& max)
{
    return select_1_ac(min, x, max, adobe::less());
}

template <typename T, typename R>
inline const T& clamp_unordered(const T& x, const T& min, const T& max, R r)
{ return select_1(min, x, max, r); }

template <typename T>
inline const T& clamp_unordered(const T& x, const T& min, const T& max)
{ return select_1(min, x, max, adobe::less()); }

/**************************************************************************************************/

} // namespace adobe

#endif