# The file split_test_helper.h was generated at first run,
# it is now included in test/
if(EXISTS ${CMAKE_CURRENT_BINARY_DIR}/split_test_helper.h)
  file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/split_test_helper.h)
endif()

set_property(GLOBAL PROPERTY EIGEN_CURRENT_SUBPROJECT "Unsupported")
add_custom_target(BuildUnsupported)

include_directories(../../test ../../unsupported ../../Eigen
                    ${CMAKE_CURRENT_BINARY_DIR}/../../test)

find_package (Threads)

find_package(GoogleHash)
if(GoogleHash_FOUND)
  add_definitions("-DEIGEN_GOOGLEHASH_SUPPORT")
  include_directories(${GOOGLEHASH_INCLUDES})
  ei_add_property(EIGEN_TESTED_BACKENDS  "GoogleHash, ")
else()
  ei_add_property(EIGEN_MISSING_BACKENDS  "GoogleHash, ")
endif()


find_package(Adolc)
if(Adolc_FOUND)
  include_directories(${ADOLC_INCLUDES})
  ei_add_property(EIGEN_TESTED_BACKENDS "Adolc, ")
  ei_add_test(forward_adolc "" ${ADOLC_LIBRARIES})
else()
  ei_add_property(EIGEN_MISSING_BACKENDS "Adolc, ")
endif()

# this test seems to never have been successful on x87, so is considered to contain a FP-related bug.
# see thread: "non-linear optimization test summary"
ei_add_test(NonLinearOptimization)

ei_add_test(NumericalDiff)
ei_add_test(autodiff_scalar)
ei_add_test(autodiff)

ei_add_test(BVH)

ei_add_test(matrix_exponential)
ei_add_test(matrix_function)
ei_add_test(matrix_power)
ei_add_test(matrix_square_root)
ei_add_test(alignedvector3)

ei_add_test(FFT)

ei_add_test(EulerAngles)

find_package(MPREAL)
if(MPREAL_FOUND)
  ei_add_property(EIGEN_TESTED_BACKENDS "MPFR C++, ")
  include_directories(${MPREAL_INCLUDES})
  ei_add_test(mpreal_support "" "${MPREAL_LIBRARIES}" )
else()
  ei_add_property(EIGEN_MISSING_BACKENDS "MPFR C++, ")
endif()

ei_add_test(sparse_extra   "" "")

find_package(FFTW)
if(FFTW_FOUND)
  ei_add_property(EIGEN_TESTED_BACKENDS "fftw, ")
  include_directories( ${FFTW_INCLUDES} )
  if(FFTWL_LIB)
    ei_add_test(FFTW  "-DEIGEN_FFTW_DEFAULT -DEIGEN_HAS_FFTWL" "${FFTW_LIBRARIES}" )
  else()
    ei_add_test(FFTW  "-DEIGEN_FFTW_DEFAULT" "${FFTW_LIBRARIES}" )
  endif()
else()
  ei_add_property(EIGEN_MISSING_BACKENDS "fftw, ")
endif()

option(EIGEN_TEST_OPENGL "Enable OpenGL support in unit tests" OFF)
if(EIGEN_TEST_OPENGL)
  find_package(OpenGL)
  find_package(GLUT)
  find_package(GLEW)
  if(OPENGL_FOUND AND GLUT_FOUND AND GLEW_FOUND)
    include_directories(${OPENGL_INCLUDE_DIR} ${GLUT_INCLUDE_DIR} ${GLEW_INCLUDE_DIRS})
    ei_add_property(EIGEN_TESTED_BACKENDS "OpenGL, ")
    set(EIGEN_GL_LIB ${GLUT_LIBRARIES} ${GLEW_LIBRARIES} ${OPENGL_LIBRARIES})
    ei_add_test(openglsupport  "" "${EIGEN_GL_LIB}" )
  else()
    ei_add_property(EIGEN_MISSING_BACKENDS "OpenGL, ")
  endif()
else()
    ei_add_property(EIGEN_MISSING_BACKENDS "OpenGL, ")
endif()

ei_add_test(polynomialsolver)
ei_add_test(polynomialutils)
ei_add_test(splines)
ei_add_test(gmres)
ei_add_test(dgmres)
ei_add_test(minres)
ei_add_test(idrs)
ei_add_test(levenberg_marquardt)
ei_add_test(kronecker_product)
ei_add_test(bessel_functions)
ei_add_test(special_functions)
ei_add_test(special_packetmath "-DEIGEN_FAST_MATH=1")

if(EIGEN_TEST_CXX11)
  if(EIGEN_TEST_SYCL)
    set(EIGEN_SYCL ON)
    # Forward CMake options as preprocessor definitions
    if(EIGEN_SYCL_USE_DEFAULT_SELECTOR)
      add_definitions(-DEIGEN_SYCL_USE_DEFAULT_SELECTOR=${EIGEN_SYCL_USE_DEFAULT_SELECTOR})
    endif()
    if(EIGEN_SYCL_NO_LOCAL_MEM)
      add_definitions(-DEIGEN_SYCL_NO_LOCAL_MEM=${EIGEN_SYCL_NO_LOCAL_MEM})
    endif()
    if(EIGEN_SYCL_LOCAL_MEM)
      add_definitions(-DEIGEN_SYCL_LOCAL_MEM=${EIGEN_SYCL_LOCAL_MEM})
    endif()
    if(EIGEN_SYCL_MAX_GLOBAL_RANGE)
      add_definitions(-DEIGEN_SYCL_MAX_GLOBAL_RANGE=${EIGEN_SYCL_MAX_GLOBAL_RANGE})
    endif()
    if(EIGEN_SYCL_LOCAL_THREAD_DIM0)
      add_definitions(-DEIGEN_SYCL_LOCAL_THREAD_DIM0=${EIGEN_SYCL_LOCAL_THREAD_DIM0})
    endif()
    if(EIGEN_SYCL_LOCAL_THREAD_DIM1)
      add_definitions(-DEIGEN_SYCL_LOCAL_THREAD_DIM1=${EIGEN_SYCL_LOCAL_THREAD_DIM1})
    endif()
    if(EIGEN_SYCL_REG_M)
      add_definitions(-DEIGEN_SYCL_REG_M=${EIGEN_SYCL_REG_M})
    endif()
    if(EIGEN_SYCL_REG_N)
      add_definitions(-DEIGEN_SYCL_REG_N=${EIGEN_SYCL_REG_N})
    endif()
    if(EIGEN_SYCL_USE_PROGRAM_CLASS)
      add_definitions(-DEIGEN_SYCL_USE_PROGRAM_CLASS=${EIGEN_SYCL_USE_PROGRAM_CLASS})
    endif()
    if(EIGEN_SYCL_ASYNC_EXECUTION)
      add_definitions(-DEIGEN_SYCL_ASYNC_EXECUTION=${EIGEN_SYCL_ASYNC_EXECUTION})
    endif()
    if(EIGEN_SYCL_DISABLE_SKINNY)
      add_definitions(-DEIGEN_SYCL_DISABLE_SKINNY=${EIGEN_SYCL_DISABLE_SKINNY})
    endif()
    if(EIGEN_SYCL_DISABLE_DOUBLE_BUFFER)
      add_definitions(-DEIGEN_SYCL_DISABLE_DOUBLE_BUFFER=${EIGEN_SYCL_DISABLE_DOUBLE_BUFFER})
    endif()
    if(EIGEN_SYCL_DISABLE_RANK1)
      add_definitions(-DEIGEN_SYCL_DISABLE_RANK1=${EIGEN_SYCL_DISABLE_RANK1})
    endif()
    if(EIGEN_SYCL_DISABLE_SCALAR)
      add_definitions(-DEIGEN_SYCL_DISABLE_SCALAR=${EIGEN_SYCL_DISABLE_SCALAR})
    endif()
    if(EIGEN_SYCL_DISABLE_GEMV)
      add_definitions(-DEIGEN_SYCL_DISABLE_GEMV=${EIGEN_SYCL_DISABLE_GEMV})
    endif()
    if(EIGEN_SYCL_DISABLE_ARM_GPU_CACHE_OPTIMISATION)
      add_definitions(-DEIGEN_SYCL_DISABLE_ARM_GPU_CACHE_OPTIMISATION=${EIGEN_SYCL_DISABLE_ARM_GPU_CACHE_OPTIMISATION})
    endif()

    if(EIGEN_SYCL_TRISYCL)
      # triSYCL now requires c++17.
      set(CMAKE_CXX_STANDARD 17)
    else()
      if(MSVC)
        # Set the host and device compilers C++ standard to C++14. On Windows setting this to C++11
        # can cause issues with the ComputeCpp device compiler parsing Visual Studio Headers.
        set(CMAKE_CXX_STANDARD 14)
        list(APPEND COMPUTECPP_USER_FLAGS -DWIN32)
      else()
        set(CMAKE_CXX_STANDARD 11)
        list(APPEND COMPUTECPP_USER_FLAGS -Wall)
      endif()
      # The following flags are not supported by Clang and can cause warnings
      # if used with -Werror so they are removed here.
      if(COMPUTECPP_USE_COMPILER_DRIVER)
        set(CMAKE_CXX_COMPILER ${ComputeCpp_DEVICE_COMPILER_EXECUTABLE})
        string(REPLACE "-Wlogical-op" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
        string(REPLACE "-Wno-psabi" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
      endif()
      list(APPEND COMPUTECPP_USER_FLAGS
          -DEIGEN_NO_ASSERTION_CHECKING=1
          -no-serial-memop
          -Xclang
          -cl-mad-enable)
    endif()

    ei_add_test(cxx11_tensor_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_image_op_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_math_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_forced_eval_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_broadcast_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_device_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_reduction_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_morphing_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_shuffling_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_padding_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_builtins_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_contract_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_concatenation_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_reverse_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_convolution_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_striding_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_chipping_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_layout_swap_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_inflation_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_random_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_generator_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_patch_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_image_patch_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_volume_patch_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_argmax_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_custom_op_sycl ${STD_CXX_FLAG})
    ei_add_test(cxx11_tensor_scan_sycl ${STD_CXX_FLAG})
    set(EIGEN_SYCL OFF)
  endif()

  ei_add_test(cxx11_eventcount "-pthread" "${CMAKE_THREAD_LIBS_INIT}")
  ei_add_test(cxx11_runqueue "-pthread" "${CMAKE_THREAD_LIBS_INIT}")
  ei_add_test(cxx11_non_blocking_thread_pool "-pthread" "${CMAKE_THREAD_LIBS_INIT}")

  ei_add_test(cxx11_meta)
  ei_add_test(cxx11_maxsizevector)
  ei_add_test(cxx11_tensor_argmax)
  ei_add_test(cxx11_tensor_assign)
  ei_add_test(cxx11_tensor_block_access)
  ei_add_test(cxx11_tensor_block_eval)
  ei_add_test(cxx11_tensor_block_io)
  ei_add_test(cxx11_tensor_broadcasting)
  ei_add_test(cxx11_tensor_casts)
  ei_add_test(cxx11_tensor_chipping)
  ei_add_test(cxx11_tensor_comparisons)
  ei_add_test(cxx11_tensor_concatenation)
  ei_add_test(cxx11_tensor_const)
  ei_add_test(cxx11_tensor_contraction)
  ei_add_test(cxx11_tensor_convolution)
  ei_add_test(cxx11_tensor_custom_index)
  ei_add_test(cxx11_tensor_custom_op)
  ei_add_test(cxx11_tensor_dimension)
  ei_add_test(cxx11_tensor_empty)
  ei_add_test(cxx11_tensor_executor "-pthread" "${CMAKE_THREAD_LIBS_INIT}")
  ei_add_test(cxx11_tensor_expr)
  ei_add_test(cxx11_tensor_fft)
  ei_add_test(cxx11_tensor_fixed_size)
  ei_add_test(cxx11_tensor_forced_eval)
  ei_add_test(cxx11_tensor_generator)
  ei_add_test(cxx11_tensor_ifft)
  ei_add_test(cxx11_tensor_image_patch)
  ei_add_test(cxx11_tensor_index_list)
  ei_add_test(cxx11_tensor_inflation)
  ei_add_test(cxx11_tensor_intdiv)
  ei_add_test(cxx11_tensor_io)
  ei_add_test(cxx11_tensor_layout_swap)
  ei_add_test(cxx11_tensor_lvalue)
  ei_add_test(cxx11_tensor_map)
  ei_add_test(cxx11_tensor_math)
  ei_add_test(cxx11_tensor_mixed_indices)
  ei_add_test(cxx11_tensor_morphing)
  ei_add_test(cxx11_tensor_move)
  ei_add_test(cxx11_tensor_notification "-pthread" "${CMAKE_THREAD_LIBS_INIT}")
  ei_add_test(cxx11_tensor_of_complex)
  ei_add_test(cxx11_tensor_of_const_values)
  ei_add_test(cxx11_tensor_of_strings)
  ei_add_test(cxx11_tensor_padding)
  ei_add_test(cxx11_tensor_patch)
  ei_add_test(cxx11_tensor_random)
  ei_add_test(cxx11_tensor_reduction)
  ei_add_test(cxx11_tensor_ref)
  ei_add_test(cxx11_tensor_roundings)
  ei_add_test(cxx11_tensor_scan)
  ei_add_test(cxx11_tensor_shuffling)
  ei_add_test(cxx11_tensor_simple)
  ei_add_test(cxx11_tensor_striding)
  ei_add_test(cxx11_tensor_sugar)
  ei_add_test(cxx11_tensor_thread_local "-pthread" "${CMAKE_THREAD_LIBS_INIT}")
  ei_add_test(cxx11_tensor_thread_pool "-pthread" "${CMAKE_THREAD_LIBS_INIT}")
  ei_add_test(cxx11_tensor_trace)
  ei_add_test(cxx11_tensor_volume_patch)
  #  ei_add_test(cxx11_tensor_symmetry)
  if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8" AND NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
    # This test requires __uint128_t which is only available on 64bit systems
    ei_add_test(cxx11_tensor_uint128)
  endif()

endif()

# These tests needs nvcc
find_package(CUDA 7.0)
if(CUDA_FOUND AND EIGEN_TEST_CUDA)
  # Make sure to compile without the -pedantic, -Wundef, -Wnon-virtual-dtor
  # and -fno-check-new flags since they trigger thousands of compilation warnings
  # in the CUDA runtime
  string(REPLACE "-pedantic" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
  string(REPLACE "-Wundef" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
  string(REPLACE "-Wnon-virtual-dtor" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
  string(REPLACE "-fno-check-new" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")

  message(STATUS "Flags used to compile cuda code: " ${CMAKE_CXX_FLAGS})

  if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
    set(CUDA_NVCC_FLAGS "-ccbin ${CMAKE_C_COMPILER}" CACHE STRING "nvcc flags" FORCE)
  endif()
  if(EIGEN_TEST_CUDA_CLANG)
    string(APPEND CMAKE_CXX_FLAGS " --cuda-path=${CUDA_TOOLKIT_ROOT_DIR}")
    foreach(ARCH IN LISTS EIGEN_CUDA_COMPUTE_ARCH)
        string(APPEND CMAKE_CXX_FLAGS " --cuda-gpu-arch=sm_${ARCH}")
    endforeach()
  endif()

  set(EIGEN_CUDA_RELAXED_CONSTEXPR "--expt-relaxed-constexpr")
  if (${CUDA_VERSION} STREQUAL "7.0")
    set(EIGEN_CUDA_RELAXED_CONSTEXPR "--relaxed-constexpr")
  endif()

  set(NVCC_ARCH_FLAGS)
  foreach(ARCH IN LISTS EIGEN_CUDA_COMPUTE_ARCH)
    string(APPEND NVCC_ARCH_FLAGS " -gencode arch=compute_${ARCH},code=sm_${ARCH}")
  endforeach()
  set(CUDA_NVCC_FLAGS  "${EIGEN_CUDA_RELAXED_CONSTEXPR} -Xcudafe \"--display_error_number\" ${NVCC_ARCH_FLAGS} ${CUDA_NVCC_FLAGS}")
  cuda_include_directories("${CMAKE_CURRENT_BINARY_DIR}" "${CUDA_TOOLKIT_ROOT_DIR}/include")
  set(EIGEN_ADD_TEST_FILENAME_EXTENSION "cu")

  ei_add_test(cxx11_tensor_complex_gpu)
  ei_add_test(cxx11_tensor_complex_cwise_ops_gpu)
  ei_add_test(cxx11_tensor_reduction_gpu)
  ei_add_test(cxx11_tensor_argmax_gpu)
  ei_add_test(cxx11_tensor_cast_float16_gpu)
  ei_add_test(cxx11_tensor_scan_gpu)

  set(EIGEN_CUDA_OLDEST_COMPUTE_ARCH 9999)
  foreach(ARCH IN LISTS EIGEN_CUDA_COMPUTE_ARCH)
    if(${ARCH} LESS ${EIGEN_CUDA_OLDEST_COMPUTE_ARCH})
      set(EIGEN_CUDA_OLDEST_COMPUTE_ARCH ${ARCH})
    endif()
  endforeach()

  # Contractions require arch 3.0 or higher
  if (${EIGEN_CUDA_OLDEST_COMPUTE_ARCH} GREATER 29)
    ei_add_test(cxx11_tensor_device)
    ei_add_test(cxx11_tensor_gpu)
    ei_add_test(cxx11_tensor_contract_gpu)
    ei_add_test(cxx11_tensor_of_float16_gpu)
  endif()

  # The random number generation code requires arch 3.5 or greater.
  if (${EIGEN_CUDA_OLDEST_COMPUTE_ARCH} GREATER 34)
    ei_add_test(cxx11_tensor_random_gpu)
  endif()

  unset(EIGEN_ADD_TEST_FILENAME_EXTENSION)
endif()

# Add HIP specific tests
if (EIGEN_TEST_HIP)

  set(HIP_PATH "/opt/rocm/hip" CACHE STRING "Path to the HIP installation.")

  if (EXISTS ${HIP_PATH})
    list(APPEND CMAKE_MODULE_PATH ${HIP_PATH}/cmake)

    find_package(HIP REQUIRED)
    if (HIP_FOUND)
      execute_process(COMMAND ${HIP_PATH}/bin/hipconfig --platform OUTPUT_VARIABLE HIP_PLATFORM)

      if ((${HIP_PLATFORM} STREQUAL "hcc") OR (${HIP_PLATFORM} STREQUAL "amd"))
        include_directories(${CMAKE_CURRENT_BINARY_DIR})
        include_directories(${HIP_PATH}/include)

        set(EIGEN_ADD_TEST_FILENAME_EXTENSION  "cu")
        #
        # complex datatype is not yet supported by HIP
        # so leaving out those tests for now
        #
        # ei_add_test(cxx11_tensor_complex_gpu)
        # ei_add_test(cxx11_tensor_complex_cwise_ops_gpu)
        #
        ei_add_test(cxx11_tensor_reduction_gpu)
        ei_add_test(cxx11_tensor_argmax_gpu)
        ei_add_test(cxx11_tensor_cast_float16_gpu)
        ei_add_test(cxx11_tensor_scan_gpu)
        ei_add_test(cxx11_tensor_device)

        ei_add_test(cxx11_tensor_gpu)
        ei_add_test(cxx11_tensor_contract_gpu)
        ei_add_test(cxx11_tensor_of_float16_gpu)
        ei_add_test(cxx11_tensor_random_gpu)

        unset(EIGEN_ADD_TEST_FILENAME_EXTENSION)

      elseif ((${HIP_PLATFORM} STREQUAL "nvcc") OR (${HIP_PLATFORM} STREQUAL "nvidia"))
        message(FATAL_ERROR "HIP_PLATFORM = nvcc is not supported within Eigen")
      else ()
        message(FATAL_ERROR "Unknown HIP_PLATFORM = ${HIP_PLATFORM}")
      endif()
    endif()
  else ()
    message(FATAL_ERROR "EIGEN_TEST_HIP is ON, but the specified HIP_PATH (${HIP_PATH}) does not exist")
  endif()

endif()