NAME
          isroot - Determines whether task is root task

     SYNOPSIS
          #include "lpj.h"

          Bool isroot(Config config);


     DESCRIPTION
          Function determines whether MPI task is root task. Returns
          always TRUE in the sequential version. Is implemented as a
          macro.  The argument of isroot is:

          config
               LPJmL configuration data. Must be initialized by
               initmpiconfig() or initconfig().

     RETURN VALUE
          Returns TRUE if MPI task is root task, FALSE otherwise.


     AUTHORS
          For authors and contributors see AUTHORS file


     COPYRIGHT
          (C) Potsdam Institute for Climate Impact Research (PIK), see
          COPYRIGHT file


     SEE ALSO
          initconfig(3)