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.
SUBROUTINE assert_v(n,string)CHARACTER(LEN=*),INTENT(IN)::stringLOGICAL,DIMENSION(:),INTENT(IN)::nif(.not.all(n))then write(*,*)'nrerror: an assertion failed with this tag:',&stringSTOP'program terminated by assert_v'end if END SUBROUTINE assert_v