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Kokkos_Clamp.hpp
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Kokkos_Clamp.hpp
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//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#ifndef KOKKOS_CLAMP_HPP
#define KOKKOS_CLAMP_HPP
#include <Kokkos_Macros.hpp>
namespace Kokkos {
template <class T>
constexpr KOKKOS_INLINE_FUNCTION const T& clamp(const T& value, const T& lo,
const T& hi) {
KOKKOS_EXPECTS(!(hi < lo));
return (value < lo) ? lo : (hi < value) ? hi : value;
}
template <class T, class ComparatorType>
constexpr KOKKOS_INLINE_FUNCTION const T& clamp(const T& value, const T& lo,
const T& hi,
ComparatorType comp) {
KOKKOS_EXPECTS(!comp(hi, lo));
return comp(value, lo) ? lo : comp(hi, value) ? hi : value;
}
} // namespace Kokkos
#endif