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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef _PSTL_PARALLEL_BACKEND_H
#define _PSTL_PARALLEL_BACKEND_H
#include <__config>
#if defined(_PSTL_PAR_BACKEND_SERIAL)
# include "parallel_backend_serial.h"
# if !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17
namespace __pstl
{
namespace __par_backend = __serial_backend;
} // namespace __pstl
# endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17
#elif defined(_PSTL_PAR_BACKEND_TBB)
# include "parallel_backend_tbb.h"
namespace __pstl
{
namespace __par_backend = __tbb_backend;
}
#elif defined(_PSTL_PAR_BACKEND_OPENMP)
# include "parallel_backend_omp.h"
namespace __pstl
{
namespace __par_backend = __omp_backend;
}
#else
# error "No backend set"
#endif
#endif /* _PSTL_PARALLEL_BACKEND_H */
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