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_R4P use penf, only : byte_size type(vector_R4P) :: pt print*, iolen_R4P(pt)/byte_size(pt%x) endprogram volatile_doctest