//===----------------------------------------------------------------------===//
//
// 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) 2023 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//

#ifndef _CUDA_STD___ALGORITHM_FILL_H
#define _CUDA_STD___ALGORITHM_FILL_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/fill_n.h>
#include <cuda/std/__iterator/iterator_traits.h>

#include <cuda/std/__cccl/prologue.h>

_CCCL_BEGIN_NAMESPACE_CUDA_STD

_CCCL_EXEC_CHECK_DISABLE
template <class _ForwardIterator, class _Tp>
_CCCL_API constexpr void
__fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_, forward_iterator_tag)
{
  for (; __first != __last; ++__first)
  {
    *__first = __value_;
  }
}

template <class _RandomAccessIterator, class _Tp>
_CCCL_API constexpr void
__fill(_RandomAccessIterator __first, _RandomAccessIterator __last, const _Tp& __value_, random_access_iterator_tag)
{
  ::cuda::std::fill_n(__first, __last - __first, __value_);
}

template <class _ForwardIterator, class _Tp>
_CCCL_API constexpr void fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_)
{
  ::cuda::std::__fill(__first, __last, __value_, typename iterator_traits<_ForwardIterator>::iterator_category());
}

_CCCL_END_NAMESPACE_CUDA_STD

#include <cuda/std/__cccl/epilogue.h>

#endif // _CUDA_STD___ALGORITHM_FILL_H
