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

set(SPARSE_LIBS "")

# configure blas/lapack (use Eigen's by default)
set(BLAS_FOUND TRUE)
set(LAPACK_FOUND TRUE)
set(BLAS_LIBRARIES eigen_blas)
set(LAPACK_LIBRARIES eigen_lapack)

find_package(Cholmod)
if(CHOLMOD_FOUND AND BLAS_FOUND AND LAPACK_FOUND)
  add_definitions("-DEIGEN_CHOLMOD_SUPPORT")
  include_directories(${CHOLMOD_INCLUDES})
  set(SPARSE_LIBS ${SPARSE_LIBS} ${CHOLMOD_LIBRARIES} ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES})
  ei_add_property(EIGEN_TESTED_BACKENDS "Cholmod, ")
else()
  ei_add_property(EIGEN_MISSING_BACKENDS "Cholmod, ")
endif()

find_package(Umfpack)
if(UMFPACK_FOUND AND BLAS_FOUND)
  add_definitions("-DEIGEN_UMFPACK_SUPPORT")
  include_directories(${UMFPACK_INCLUDES})
  set(SPARSE_LIBS ${SPARSE_LIBS} ${UMFPACK_LIBRARIES} ${BLAS_LIBRARIES})
  ei_add_property(EIGEN_TESTED_BACKENDS "UmfPack, ")
else()
  ei_add_property(EIGEN_MISSING_BACKENDS "UmfPack, ")
endif()

find_package(SuperLU)
if(SUPERLU_FOUND AND BLAS_FOUND)
  add_definitions("-DEIGEN_SUPERLU_SUPPORT")
  include_directories(${SUPERLU_INCLUDES})
  set(SPARSE_LIBS ${SPARSE_LIBS} ${SUPERLU_LIBRARIES} ${BLAS_LIBRARIES})
  ei_add_property(EIGEN_TESTED_BACKENDS  "SuperLU, ")
else()
  ei_add_property(EIGEN_MISSING_BACKENDS  "SuperLU, ")
endif()

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

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(ADOLC_FOUND)
  ei_add_property(EIGEN_MISSING_BACKENDS "Adolc, ")
endif(ADOLC_FOUND)

# 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)

if (NOT CMAKE_CXX_COMPILER MATCHES "clang\\+\\+$")
ei_add_test(BVH)
endif()

ei_add_test(matrix_exponential)
ei_add_test(matrix_function)
ei_add_test(matrix_square_root)
ei_add_test(alignedvector3)
ei_add_test(FFT)

find_package(MPFR 2.3.0)
find_package(GMP)
if(MPFR_FOUND)
  include_directories(${MPFR_INCLUDES} ./mpreal)
  ei_add_property(EIGEN_TESTED_BACKENDS "MPFR C++, ")
  set(EIGEN_MPFR_TEST_LIBRARIES ${MPFR_LIBRARIES} ${GMP_LIBRARIES})
  ei_add_test(mpreal_support "" "${EIGEN_MPFR_TEST_LIBRARIES}" )
else()
  ei_add_property(EIGEN_MISSING_BACKENDS "MPFR C++, ")
endif()

ei_add_test(sparse_llt  "" "${SPARSE_LIBS}")
ei_add_test(sparse_ldlt "" "${SPARSE_LIBS}")
ei_add_test(sparse_lu   "" "${SPARSE_LIBS}")
ei_add_test(sparse_extra   "" "")

find_package(FFTW)
if(FFTW_FOUND)
  ei_add_property(EIGEN_TESTED_BACKENDS "fftw, ")
  if(FFTWL_LIB)
    ei_add_test(FFTW  "-DEIGEN_FFTW_DEFAULT -DEIGEN_HAS_FFTWL" "fftw3;fftw3f;fftw3l" )
  else()
    ei_add_test(FFTW  "-DEIGEN_FFTW_DEFAULT " "fftw3;fftw3f" )
  endif()
else()
  ei_add_property(EIGEN_MISSING_BACKENDS "fftw, ")
endif()

option(EIGEN_TEST_NO_OPENGL "Disable OpenGL support in unit tests" OFF)
if(NOT EIGEN_TEST_NO_OPENGL)
  find_package(OpenGL)
  find_package(GLUT)
  find_package(GLEW)
  if(OPENGL_FOUND AND GLUT_FOUND AND GLEW_FOUND)
    ei_add_property(EIGEN_TESTED_BACKENDS "OpenGL, ")
    set(EIGEN_GL_LIB ${GLUT_LIBRARIES} ${GLEW_LIBRARIES})
    ei_add_test(openglsupport  "" "${EIGEN_GL_LIB}" )
  else()
    ei_add_property(EIGEN_MISSING_BACKENDS "OpenGL, ")
  endif()
else()
    ei_add_property(EIGEN_MISSING_BACKENDS "OpenGL, ")
endif()

find_package(GSL)
if(GSL_FOUND AND GSL_VERSION_MINOR LESS 9)
  set(GSL_FOUND "")
endif(GSL_FOUND AND GSL_VERSION_MINOR LESS 9)
if(GSL_FOUND)
  add_definitions("-DHAS_GSL" ${GSL_DEFINITIONS})
  include_directories(${GSL_INCLUDE_DIR})
  ei_add_property(EIGEN_TESTED_BACKENDS "GSL, ")
else(GSL_FOUND)
  ei_add_property(EIGEN_MISSING_BACKENDS "GSL, ")
  set(GSL_LIBRARIES " ")
endif(GSL_FOUND)

ei_add_test(polynomialsolver " " "${GSL_LIBRARIES}" )
ei_add_test(polynomialutils)
ei_add_test(kronecker_product)
ei_add_test(cg)