Nodes of different colours represent the following:
Solid arrows point from a file to a file which it depends on. A file is dependent upon another if the latter must be compiled before the former can be.
program volatile_doctest use vecfor_R16P type(vector_R16P) :: pt pt = ex_R16P + ey_R16P + ez_R16P print "(L1)", 1._R16P /= pt endprogram volatile_doctest