RCP<const MultiVectorBase<Scalar> >
DefaultSpmdVectorSpace<Scalar>::createMembersView(
const RTOpPack::ConstSubMultiVectorView<Scalar> &raw_mv
) const
{
#ifdef TEUCHOS_DEBUG
TEUCHOS_TEST_FOR_EXCEPT( localSubDim_ != raw_mv.subDim() );
#endif
return Teuchos::rcp(
new DefaultSpmdMultiVector<Scalar>(
weakSelfPtr_.create_strong(),
Teuchos::rcp_dynamic_cast<const ScalarProdVectorSpaceBase<Scalar> >(
this->smallVecSpcFcty()->createVecSpc(raw_mv.numSubCols()),true),
Teuchos::arcp(
const_cast<Scalar*>(raw_mv.values().get()),
0,raw_mv.leadingDim()*raw_mv.numSubCols(),false),
raw_mv.leadingDim()
)
);
}
TEUCHOS_UNIT_TEST_TEMPLATE_1_DECL( SpmdLocalDataAccess,
getLocalSubMultiVectorView_empty_p0, Scalar )
{
typedef typename ScalarTraits<Scalar>::magnitudeType ScalarMag;
const RCP<const DefaultSpmdVectorSpace<Scalar> > vs =
createZeroEleProcVS<Scalar>(g_localDim);
const RCP<const Teuchos::Comm<Ordinal> > comm = vs->getComm();
const int procRank = comm->getRank();
PRINT_VAR(procRank);
const int numProcs = comm->getSize();
PRINT_VAR(numProcs);
const RCP<MultiVectorBase<Scalar> > mv = createMembers<Scalar>(vs, g_numCols);
const Scalar val = as<Scalar>(1.5);
PRINT_VAR(val);
assign<Scalar>(mv.ptr(), val);
out << "*** Test that we get the view correctly including an empty view on p0 ...\n";
RTOpPack::ConstSubMultiVectorView<Scalar> lsmv =
getLocalSubMultiVectorView<Scalar>(mv);
if (procRank == 0) {
TEST_EQUALITY_CONST(lsmv.globalOffset(), 0);
TEST_EQUALITY_CONST(lsmv.subDim(), 0);
TEST_EQUALITY_CONST(lsmv.values(), null);
}
else {
TEST_EQUALITY(lsmv.globalOffset(), as<Ordinal>((procRank-1)*g_localDim));
TEST_EQUALITY(lsmv.subDim(), g_localDim);
}
TEST_EQUALITY(lsmv.leadingDim(), lsmv.subDim());
TEST_EQUALITY_CONST(lsmv.colOffset(), 0);
TEST_EQUALITY(lsmv.numSubCols(), g_numCols);
for (int i = 0; i < lsmv.subDim(); ++i) {
for (int j = 0; j < lsmv.numSubCols(); ++j) {
TEST_EQUALITY(lsmv(i,j), val);
}
}
}