Nodes of different colours represent the following:
Solid arrows point from a procedure to one which it calls. Dashed
arrows point from an interface to procedures which implement that interface.
This could include the module procedures in a generic interface or the
implementation in a submodule of an interface in a parent module.
integer function reservoir_get(sub)integer,intent(in)::subinteger::ireservoir_get=0do i=1,rsv_nReservoirsif(rsv_ResSubbasins(i)==sub)reservoir_get=iend do end function reservoir_get