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 FOURIER_OUTAD(PREEL, KFIELDS, KGL)
*** FOURIER_OUTAD - Copy fourier data from local array to buffer - adjoint