#include <madness/world/world.h>
#include <madness/world/worldgop.h>
#include <madness/world/world_object.h>
References a, b, madness::WorldGopInterface::fence(), madness::finalize(), madness::Future< T >::get(), madness::World::gop, initialize(), MADNESS_ASSERT, N, print(), madness::World::rand(), madness::World::rank(), and madness::World::size().