//===----------------------------------------------------------------------===//
//
// 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_REPLACE_COPY_H
#define _CUDA_STD___ALGORITHM_REPLACE_COPY_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/__cccl/prologue.h>

_CCCL_BEGIN_NAMESPACE_CUDA_STD

_CCCL_EXEC_CHECK_DISABLE
template <class _InputIterator, class _OutputIterator, class _Tp>
_CCCL_API constexpr _OutputIterator replace_copy(
  _InputIterator __first,
  _InputIterator __last,
  _OutputIterator __result,
  const _Tp& __old_value,
  const _Tp& __new_value)
{
  for (; __first != __last; ++__first, (void) ++__result)
  {
    if (*__first == __old_value)
    {
      *__result = __new_value;
    }
    else
    {
      *__result = *__first;
    }
  }
  return __result;
}

_CCCL_END_NAMESPACE_CUDA_STD

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

#endif // _CUDA_STD___ALGORITHM_REPLACE_COPY_H
