//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCUDACXX___ALGORITHM_MAX_H
#define _LIBCUDACXX___ALGORITHM_MAX_H

#include <cuda/std/detail/__config>

#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
#  pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
#  pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
#  pragma system_header
#endif // no system header

#include <cuda/std/__algorithm/comp.h>
#include <cuda/std/__algorithm/comp_ref_type.h>
#include <cuda/std/__algorithm/max_element.h>
#include <cuda/std/initializer_list>

_CCCL_PUSH_MACROS

_LIBCUDACXX_BEGIN_NAMESPACE_STD

template <class _Tp, class _Compare>
_CCCL_NODISCARD inline _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 const _Tp&
max(const _Tp& __a, const _Tp& __b, _Compare __comp)
{
  return __comp(__a, __b) ? __b : __a;
}

template <class _Tp>
_CCCL_NODISCARD inline _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 const _Tp& max(const _Tp& __a, const _Tp& __b)
{
  return _CUDA_VSTD::max(__a, __b, __less{});
}

template <class _Tp, class _Compare>
_CCCL_NODISCARD inline _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 _Tp
max(initializer_list<_Tp> __t, _Compare __comp)
{
  return *_CUDA_VSTD::__max_element<__comp_ref_type<_Compare>>(__t.begin(), __t.end(), __comp);
}

template <class _Tp>
_CCCL_NODISCARD inline _LIBCUDACXX_INLINE_VISIBILITY _CCCL_CONSTEXPR_CXX14 _Tp max(initializer_list<_Tp> __t)
{
  return *_CUDA_VSTD::max_element(__t.begin(), __t.end(), __less{});
}

_LIBCUDACXX_END_NAMESPACE_STD

_CCCL_POP_MACROS

#endif // _LIBCUDACXX___ALGORITHM_MAX_H