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.
Source Code
program volatile_doctestuse penf_allocatable_memoryuse penfreal(R4P),allocatable::a(:,:,:,:),b(:,:,:,:)allocate(b(1:1,1:2,1:3,1:4))call assign_allocatable(a,b)print*,allocated(a)endprogram volatile_doctest