text: //@HEADER
  // ************************************************************************
  //
  //                        Kokkos v. 3.0
  //       Copyright (2020) 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.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  // 1. Redistributions of source code must retain the above copyright
  // notice, this list of conditions and the following disclaimer.
  //
  // 2. Redistributions in binary form must reproduce the above copyright
  // notice, this list of conditions and the following disclaimer in the
  // documentation and/or other materials provided with the distribution.
  //
  // 3. Neither the name of the Corporation nor the names of the
  // contributors may be used to endorse or promote products derived from
  // this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
  // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  //
  // Questions? Contact Siva Rajamanickam (srajama@sandia.gov)
  //
  // ************************************************************************
  //@HEADER
  
  // File contains common macro definitions which are both generated by cmake in
  // KokkosKernels_config.h and written in this header file.
  
  #ifndef KOKKOSKERNELS_MACROS_HPP_
  #define KOKKOSKERNELS_MACROS_HPP_
  
  /****** BEGIN macros populated by CMake ******/
  #include <KokkosKernels_config.h>
  /****** END macros populated by CMake ******/
  
  /****** BEGIN other helper macros ******/
  #ifndef KOKKOSKERNELS_DEBUG_LEVEL
  #define KOKKOSKERNELS_DEBUG_LEVEL 1
  #endif
  
  // If KOKKOSKERNELS_ENABLE_OMP_SIMD is defined, it's legal to place
  // "#pragma omp simd" before a for loop. It's never defined if a GPU-type device
  // is enabled, since in that case, Kokkos::ThreadVectorRange should be used
  // instead for SIMD parallel loops.
  
  #if !defined(KOKKOS_ENABLE_CUDA) && !defined(KOKKOS_ENABLE_HIP) && \
      defined(KOKKOS_ENABLE_OPENMP)
  // For clang OpenMP support, see
  // https://clang.llvm.org/docs/OpenMPSupport.html#id1
  #if defined(KOKKOS_COMPILER_GNU) || defined(KOKKOS_COMPILER_CLANG)
  // GCC 4.8.5 and older do not support #pragma omp simd
  // Do not enable when using GCC 7.2.0 + C++17 due to a bug in gcc
  #if (KOKKOS_COMPILER_GNU > 485) && !(KOKKOS_COMPILER_GNU == 720 && defined(KOKKOS_ENABLE_CXX17))
  #define KOKKOSKERNELS_ENABLE_OMP_SIMD
  #endif
  // TODO: Check for a clang version that supports #pragma omp simd
  #else
  // All other Kokkos-supported compilers support it.
  #define KOKKOSKERNELS_ENABLE_OMP_SIMD
  #endif
  #endif
  
  // Macro that tells GCC not to worry if a variable isn't being used.
  // Generalized attributes were not implemented in GCC until 4.8:
  //
  // https://gcc.gnu.org/gcc-4.7/cxx0x_status.html
  // https://gcc.gnu.org/gcc-4.8/cxx0x_status.html
  //
  // Thus, we can't use [[unused]]; we have to use the older GCC syntax
  // for variable attributes.  Be careful also of compilers that define
  // the __GNUC__ macro but might not necessarily actually be GCC
  // compliant.
  #if defined(__GNUC__) && !defined(KOKKOSKERNELS_UNUSED_ATTRIBUTE)
  #define KOKKOSKERNELS_UNUSED_ATTRIBUTE __attribute__((unused))
  #else
  #define KOKKOSKERNELS_UNUSED_ATTRIBUTE
  #endif  // __GNUC__
  /******* END other helper macros *******/
  
  #endif  // KOKKOSKERNELS_MACROS_HPP_
  