6 #include "Teuchos_CommHelpers.hpp"
7 #include "Teuchos_DefaultComm.hpp"
8 #include "Teuchos_RCP.hpp"
9 #include "Teuchos_Array.hpp"
10 #include "Tpetra_Core.hpp"
11 #include "Tpetra_Map.hpp"
19 int main(
int narg,
char **arg)
21 Tpetra::ScopeGuard tscope(&narg, &arg);
22 Teuchos::RCP<const Teuchos::Comm<int> > comm = Tpetra::getDefaultComm();
23 int me = comm->getRank();
25 typedef Tpetra::Map<>
map_t;
26 typedef map_t::local_ordinal_type
lno_t;
27 typedef map_t::global_ordinal_type
gno_t;
32 lno_t numLocalCoords = 15;
33 lno_t offset = me * 10;
35 Teuchos::Array<gno_t> gids(numLocalCoords);
36 for (lno_t i = 0 ; i < numLocalCoords; i++)
37 gids[i] = static_cast<gno_t> (offset + i);
40 Teuchos::OrdinalTraits<Tpetra::global_size_t>::invalid();
41 Teuchos::RCP<const map_t> mapWithCopies =
42 rcp(
new map_t(numGlobalCoords, gids(), 0, comm));
45 Teuchos::RCP<const map_t> oneToOneMap =
46 Tpetra::createOneToOne<lno_t, gno_t>(mapWithCopies);
50 std::cout << me <<
" MAP WITH COPIES ("
51 << mapWithCopies->getGlobalNumElements() <<
"): ";
52 lno_t nlocal =
lno_t(mapWithCopies->getLocalNumElements());
53 for (lno_t i = 0; i < nlocal; i++)
54 std::cout << mapWithCopies->getGlobalElement(i) <<
" ";
55 std::cout << std::endl;
57 std::cout << me <<
" ONE TO ONE MAP ("
58 << oneToOneMap->getGlobalNumElements() <<
"): ";
59 nlocal =
lno_t(oneToOneMap->getLocalNumElements());
60 for (lno_t i = 0; i < nlocal; i++)
61 std::cout << oneToOneMap->getGlobalElement(i) <<
" ";
62 std::cout << std::endl;
map_t::global_ordinal_type gno_t
int main(int narg, char **arg)
map_t::local_ordinal_type lno_t
Tpetra::global_size_t global_size_t