min.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2021 Tobias Hienzsch
 
#ifndef TETL_ALGORITHM_MIN_HPP
#define TETL_ALGORITHM_MIN_HPP
 
#include <etl/_functional/less.hpp>
 
namespace etl {
 
/// \brief Returns the smaller of a and b, using a compare function.
/// \ingroup algorithm
template <typename Type, typename Compare>
[[nodiscard]] constexpr auto min(Type const& a, Type const& b, Compare comp) noexcept -> Type const&
{
    return comp(b, a) ? b : a;
}
 
/// \brief Returns the smaller of a and b.
/// \ingroup algorithm
template <typename Type>
[[nodiscard]] constexpr auto min(Type const& a, Type const& b) noexcept -> Type const&
{
    return etl::min(a, b, etl::less());
}
 
} // namespace etl
 
#endif // TETL_ALGORITHM_MIN_HPP