cmake ELEM_HAVE_PDSYNGST_POST examples

m-a-d-n-e-s-s/madness src/madness/external/elemental/cmake/tests/Math.cmake :86 

check_function_exists(pdsyngst_ ELEM_HAVE_PDSYNGST_POST)

m-a-d-n-e-s-s/madness src/madness/external/elemental/cmake/tests/Math.cmake :100 

elseif(ELEM_HAVE_PDSYNGST_POST)