Nodes of different colours represent the following:
Solid arrows point from a submodule to the (sub)module which it is
descended from. Dashed arrows point from a module or program unit to
modules which it uses.
Subroutines
public subroutine EASRE1B(KFIELD, PFFT, FOUBUF_IN)
*** ASRE1B - Recombine antisymmetric and symmetric parts