TEUCHOS_UNIT_TEST_TEMPLATE_1_DECL( SpmdLocalDataAccess,
getNonconstLocalSubVectorView_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<VectorBase<Scalar> > v = createMember<Scalar>(vs);
const Scalar val = as<Scalar>(1.5);
PRINT_VAR(val);
assign<Scalar>(v.ptr(), val);
out << "*** Test that we get the view correctly including an empty view on p0 ...\n";
RTOpPack::SubVectorView<Scalar> lsv =
getNonconstLocalSubVectorView<Scalar>(v);
if (procRank == 0) {
TEST_EQUALITY_CONST(lsv.globalOffset(), 0);
TEST_EQUALITY_CONST(lsv.subDim(), 0);
TEST_EQUALITY_CONST(lsv.values(), null);
}
else {
TEST_EQUALITY(lsv.globalOffset(), as<Ordinal>((procRank-1)*g_localDim));
TEST_EQUALITY(lsv.subDim(), g_localDim);
}
TEST_EQUALITY_CONST(lsv.stride(), 1);
for (int k = 0; k < lsv.subDim(); ++k) {
TEST_EQUALITY(lsv[k], val);
}
}
Teuchos::RCP<VectorBase<Scalar> >
VectorSpaceDefaultBase<Scalar>::createMemberView(
const RTOpPack::SubVectorView<Scalar> &raw_v ) const
{
#ifdef TEUCHOS_DEBUG
TEST_FOR_EXCEPT( raw_v.subDim() != this->dim() );
#endif
// Create a vector
RCP<VectorBase<Scalar> > v = this->createMember();
// Copy initial values in raw_v into vector
RTOpPack::SubVectorView<Scalar> sv;
v->acquireDetachedView(Range1D(),&sv);
RTOpPack::assign_entries<Scalar>(
Teuchos::ptr_implicit_cast<const RTOpPack::SubVectorView<Scalar> >(Teuchos::outArg(sv)),
RTOpPack::ConstSubVectorView<Scalar>(raw_v) );
v->commitDetachedView(&sv);
// Setup smart pointer to vector to copy view back out just before vector is destroyed
Teuchos::set_extra_data(
Teuchos::rcp(new CopyVectorViewBack<Scalar>(&*v,raw_v)),
"CopyVectorViewBack",
Teuchos::outArg(v),
Teuchos::PRE_DESTROY
);
return v;
}
RCP<VectorBase<Scalar> >
DefaultSpmdVectorSpace<Scalar>::createMemberView(
const RTOpPack::SubVectorView<Scalar> &raw_v
) const
{
#ifdef TEUCHOS_DEBUG
TEUCHOS_TEST_FOR_EXCEPT( localSubDim_ != raw_v.subDim() );
#endif
return Teuchos::rcp(
new DefaultSpmdVector<Scalar>(
weakSelfPtr_.create_strong(),
Teuchos::arcp(raw_v.values().get(),0,raw_v.subDim(),false),
raw_v.stride()
)
);
}
void initialize(
const Teuchos::RCP<VectorBase<Scalar> > &v
,const Range1D &rng, const bool forceUnitStride
)
{
v_ = v;
v_->acquireDetachedView(rng,&sv_s_);
if( forceUnitStride && sv_s_.stride() != 1 ) {
TEST_FOR_EXCEPT_MSG(true, "I don't think non-unit stride has ever been tested!");
//Scalar *values = new Scalar[sv_s_.subDim()];
//Teuchos_Index i; const Scalar *sv_v;
//for( sv_v = sv_s_.values().get(), i=0; i < sv_s_.subDim(); ++i, sv_v += sv_s_.stride() )
// values[i] = *sv_v;
//sv_.initialize(sv_s_.globalOffset(),sv_s_.subDim(),values,1);
}
else {
sv_ = sv_s_;
}
}
void VectorDefaultBase<Scalar>::acquireNonconstDetachedMultiVectorViewImpl(
const Range1D &rowRng,
const Range1D &colRng,
RTOpPack::SubMultiVectorView<Scalar> *sub_mv
)
{
#ifdef THYRA_VECTOR_VERBOSE_TO_ERROR_OUT
THYRA_VECTOR_VERBOSE_OUT_STATEMENT;
*dbgout << "\nThyra::VectorDefaultBase<"
<<Teuchos::ScalarTraits<Scalar>::name()
<<">::acquireNonconstDetachedMultiVectorViewImpl() called!\n";
#endif
#ifdef TEUCHOS_DEBUG
TEUCHOS_TEST_FOR_EXCEPT(sub_mv==NULL);
#endif
validateColRng(colRng);
RTOpPack::SubVectorView<Scalar> sv;
this->acquireDetachedView(rowRng,&sv);
#ifdef TEUCHOS_DEBUG
TEUCHOS_TEST_FOR_EXCEPT( sv.stride() != 1 ); // Can't handle non-unit stride yet but we could
#endif
sub_mv->initialize( sv.globalOffset(), sv.subDim(), 0, 1, sv.values(), sv.subDim() );
}
TEUCHOS_UNIT_TEST_TEMPLATE_1_DECL( SpmdLocalDataAccess,
getNonconstLocalSubVectorView_procRankLocalDim, Scalar )
{
typedef typename ScalarTraits<Scalar>::magnitudeType ScalarMag;
const RCP<const DefaultSpmdVectorSpace<Scalar> > vs =
createProcRankLocalDimVS<Scalar>();
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);
out << "*** A) Test that we get and change the nonconst view"
<< " directly through an SPMD Vector ...\n";
{
const RCP<VectorBase<Scalar> > v = createMember<Scalar>(vs);
const Scalar val = as<Scalar>(1.5);
PRINT_VAR(val);
assign<Scalar>(v.ptr(), val);
const ScalarMag tol = 100.0*ScalarTraits<Scalar>::eps();
TEST_FLOATING_EQUALITY(sum<Scalar>(*v), as<Scalar>(vs->dim())*val, tol);
{
out << "*** A.1) Get the non-const view and set the local elements ...\n";
RTOpPack::SubVectorView<Scalar> lsv =
getNonconstLocalSubVectorView<Scalar>(v);
TEST_EQUALITY(lsv.globalOffset(), as<Ordinal>((procRank*(procRank+1))/2));
TEST_EQUALITY(lsv.subDim(), procRank+1);
TEST_EQUALITY_CONST(lsv.stride(), 1);
for (int k = 0; k < lsv.subDim(); ++k) {
lsv[k] = lsv.globalOffset() + k + 1;
}
const Ordinal n = vs->dim();
TEST_FLOATING_EQUALITY(sum<Scalar>(*v), as<Scalar>((n*(n+1))/2.0), tol);
}
{
out << "*** A.2) Get the const view and check the local elemetns ...\n";
RTOpPack::ConstSubVectorView<Scalar> lsv =
getLocalSubVectorView<Scalar>(v);
TEST_EQUALITY(lsv.subDim(), procRank+1);
TEST_EQUALITY_CONST(lsv.stride(), 1);
for (int k = 0; k < lsv.subDim(); ++k) {
TEST_EQUALITY(lsv[k], as<Scalar>(lsv.globalOffset() + k + 1));
}
}
}
out << "*** B) Test that we get and change the nonconst view"
<< " indirectly through a product vector with one block ...\n";
{
const RCP<const VectorSpaceBase<Scalar> > pvs =
productVectorSpace<Scalar>(tuple<RCP<const VectorSpaceBase<Scalar> > >(vs)());
const RCP<VectorBase<Scalar> > pv = createMember<Scalar>(pvs);
const Scalar val = as<Scalar>(1.7);
PRINT_VAR(val);
assign<Scalar>(pv.ptr(), val);
const ScalarMag tol = 100.0*ScalarTraits<Scalar>::eps();
{
out << "*** B.1) Get the non-const view and set the local elements ...\n";
RTOpPack::SubVectorView<Scalar> lsv =
getNonconstLocalSubVectorView<Scalar>(pv);
TEST_EQUALITY(lsv.globalOffset(), as<Ordinal>((procRank*(procRank+1))/2));
TEST_EQUALITY(lsv.subDim(), procRank+1);
TEST_EQUALITY_CONST(lsv.stride(), 1);
for (int k = 0; k < lsv.subDim(); ++k) {
lsv[k] = lsv.globalOffset() + k + 1;
}
const Ordinal n = vs->dim();
TEST_FLOATING_EQUALITY(sum<Scalar>(*pv), as<Scalar>((n*(n+1))/2.0), tol);
}
{
out << "*** B.2) Get the const view and check the local elemetns ...\n";
RTOpPack::ConstSubVectorView<Scalar> lsv =
getLocalSubVectorView<Scalar>(pv);
TEST_EQUALITY(lsv.subDim(), procRank+1);
TEST_EQUALITY_CONST(lsv.stride(), 1);
for (int k = 0; k < lsv.subDim(); ++k) {
TEST_EQUALITY(lsv[k], as<Scalar>(lsv.globalOffset() + k + 1));
}
}
}
}
