42 #ifndef ANASAZI_TPETRA_ADAPTER_HPP 43 #define ANASAZI_TPETRA_ADAPTER_HPP 82 #include <Tpetra_MultiVector.hpp> 83 #include <Tpetra_Operator.hpp> 85 #include <Teuchos_Array.hpp> 86 #include <Teuchos_Assert.hpp> 87 #include <Teuchos_DefaultSerialComm.hpp> 88 #include <Teuchos_CommHelpers.hpp> 89 #include <Teuchos_ScalarTraits.hpp> 90 #include <Teuchos_FancyOStream.hpp> 98 #ifdef HAVE_ANASAZI_TSQR 99 # include <Tpetra_TsqrAdaptor.hpp> 100 #endif // HAVE_ANASAZI_TSQR 116 template<
class Scalar,
class LO,
class GO,
class Node>
118 typedef Tpetra::MultiVector<Scalar, LO, GO, Node> MV;
125 static Teuchos::RCP<MV>
Clone (
const MV& X,
const int numVecs) {
126 Teuchos::RCP<MV> Y (
new MV (X.getMap (), numVecs,
false));
127 Y->setCopyOrView (Teuchos::View);
137 Teuchos::RCP<MV> X_copy (
new MV (X, Teuchos::Copy));
144 X_copy->setCopyOrView (Teuchos::View);
159 static Teuchos::RCP<MV>
162 #ifdef HAVE_TPETRA_DEBUG 163 const char fnName[] =
"Anasazi::MultiVecTraits::CloneCopy(mv,index)";
164 const size_t inNumVecs = mv.getNumVectors ();
165 TEUCHOS_TEST_FOR_EXCEPTION(
166 index.size () > 0 && *std::min_element (index.begin (), index.end ()) < 0,
167 std::runtime_error, fnName <<
": All indices must be nonnegative.");
168 TEUCHOS_TEST_FOR_EXCEPTION(
170 static_cast<size_t> (*std::max_element (index.begin (), index.end ())) >= inNumVecs,
172 fnName <<
": All indices must be strictly less than the number of " 173 "columns " << inNumVecs <<
" of the input multivector mv.");
174 #endif // HAVE_TPETRA_DEBUG 177 Teuchos::Array<size_t> columns (index.size ());
178 for (std::vector<int>::size_type j = 0; j < index.size (); ++j) {
179 columns[j] = index[j];
184 Teuchos::RCP<MV> X_copy = mv.subCopy (columns ());
185 X_copy->setCopyOrView (Teuchos::View);
195 static Teuchos::RCP<MV>
198 const bool validRange = index.size() > 0 &&
199 index.lbound() >= 0 &&
202 std::ostringstream os;
203 os <<
"Anasazi::MultiVecTraits::CloneCopy(mv,index=[" 204 << index.lbound() <<
"," << index.ubound() <<
"]): ";
205 TEUCHOS_TEST_FOR_EXCEPTION(
206 index.size() == 0, std::invalid_argument,
207 os.str() <<
"Empty index range is not allowed.");
208 TEUCHOS_TEST_FOR_EXCEPTION(
209 index.lbound() < 0, std::invalid_argument,
210 os.str() <<
"Index range includes negative index/ices, which is not " 212 TEUCHOS_TEST_FOR_EXCEPTION(
214 os.str() <<
"Index range exceeds number of vectors " 215 << mv.getNumVectors() <<
" in the input multivector.");
216 TEUCHOS_TEST_FOR_EXCEPTION(
true, std::logic_error,
217 os.str() <<
"Should never get here!");
219 Teuchos::RCP<MV> X_copy = mv.subCopy (index);
220 X_copy->setCopyOrView (Teuchos::View);
224 static Teuchos::RCP<MV>
227 #ifdef HAVE_TPETRA_DEBUG 228 const char fnName[] =
"Anasazi::MultiVecTraits::CloneViewNonConst(mv,index)";
229 const size_t numVecs = mv.getNumVectors ();
230 TEUCHOS_TEST_FOR_EXCEPTION(
231 index.size () > 0 && *std::min_element (index.begin (), index.end ()) < 0,
232 std::invalid_argument,
233 fnName <<
": All indices must be nonnegative.");
234 TEUCHOS_TEST_FOR_EXCEPTION(
236 static_cast<size_t> (*std::max_element (index.begin (), index.end ())) >= numVecs,
237 std::invalid_argument,
238 fnName <<
": All indices must be strictly less than the number of " 239 "columns " << numVecs <<
" in the input MultiVector mv.");
240 #endif // HAVE_TPETRA_DEBUG 243 Teuchos::Array<size_t> columns (index.size ());
244 for (std::vector<int>::size_type j = 0; j < index.size (); ++j) {
245 columns[j] = index[j];
250 Teuchos::RCP<MV> X_view = mv.subViewNonConst (columns ());
251 X_view->setCopyOrView (Teuchos::View);
255 static Teuchos::RCP<MV>
261 const int numCols =
static_cast<int> (mv.getNumVectors());
262 const bool validRange = index.size() > 0 &&
263 index.lbound() >= 0 && index.ubound() < numCols;
265 std::ostringstream os;
266 os <<
"Belos::MultiVecTraits::CloneViewNonConst(mv,index=[" 267 << index.lbound() <<
", " << index.ubound() <<
"]): ";
268 TEUCHOS_TEST_FOR_EXCEPTION(
269 index.size() == 0, std::invalid_argument,
270 os.str() <<
"Empty index range is not allowed.");
271 TEUCHOS_TEST_FOR_EXCEPTION(
272 index.lbound() < 0, std::invalid_argument,
273 os.str() <<
"Index range includes negative inde{x,ices}, which is " 275 TEUCHOS_TEST_FOR_EXCEPTION(
276 index.ubound() >= numCols, std::invalid_argument,
277 os.str() <<
"Index range exceeds number of vectors " << numCols
278 <<
" in the input multivector.");
279 TEUCHOS_TEST_FOR_EXCEPTION(
280 true, std::logic_error,
281 os.str() <<
"Should never get here!");
283 Teuchos::RCP<MV> X_view = mv.subViewNonConst (index);
284 X_view->setCopyOrView (Teuchos::View);
288 static Teuchos::RCP<const MV>
289 CloneView (
const MV& mv,
const std::vector<int>& index)
291 #ifdef HAVE_TPETRA_DEBUG 292 const char fnName[] =
"Belos::MultiVecTraits<Scalar, " 293 "Tpetra::MultiVector<...> >::CloneView(mv,index)";
294 const size_t numVecs = mv.getNumVectors ();
295 TEUCHOS_TEST_FOR_EXCEPTION(
296 *std::min_element (index.begin (), index.end ()) < 0,
297 std::invalid_argument,
298 fnName <<
": All indices must be nonnegative.");
299 TEUCHOS_TEST_FOR_EXCEPTION(
300 static_cast<size_t> (*std::max_element (index.begin (), index.end ())) >= numVecs,
301 std::invalid_argument,
302 fnName <<
": All indices must be strictly less than the number of " 303 "columns " << numVecs <<
" in the input MultiVector mv.");
304 #endif // HAVE_TPETRA_DEBUG 307 Teuchos::Array<size_t> columns (index.size ());
308 for (std::vector<int>::size_type j = 0; j < index.size (); ++j) {
309 columns[j] = index[j];
314 Teuchos::RCP<const MV> X_view = mv.subView (columns);
315 Teuchos::rcp_const_cast<MV> (X_view)->setCopyOrView (Teuchos::View);
319 static Teuchos::RCP<const MV>
320 CloneView (
const MV& mv,
const Teuchos::Range1D& index)
325 const int numCols =
static_cast<int> (mv.getNumVectors());
326 const bool validRange = index.size() > 0 &&
327 index.lbound() >= 0 && index.ubound() < numCols;
329 std::ostringstream os;
330 os <<
"Anasazi::MultiVecTraits::CloneView(mv, index=[" 331 << index.lbound () <<
", " << index.ubound() <<
"]): ";
332 TEUCHOS_TEST_FOR_EXCEPTION(index.size() == 0, std::invalid_argument,
333 os.str() <<
"Empty index range is not allowed.");
334 TEUCHOS_TEST_FOR_EXCEPTION(index.lbound() < 0, std::invalid_argument,
335 os.str() <<
"Index range includes negative index/ices, which is not " 337 TEUCHOS_TEST_FOR_EXCEPTION(
338 index.ubound() >= numCols, std::invalid_argument,
339 os.str() <<
"Index range exceeds number of vectors " << numCols
340 <<
" in the input multivector.");
341 TEUCHOS_TEST_FOR_EXCEPTION(
true, std::logic_error,
342 os.str() <<
"Should never get here!");
344 Teuchos::RCP<const MV> X_view = mv.subView (index);
345 Teuchos::rcp_const_cast<MV> (X_view)->setCopyOrView (Teuchos::View);
350 return static_cast<ptrdiff_t
> (mv.getGlobalLength ());
354 return static_cast<int> (mv.getNumVectors ());
360 const Teuchos::SerialDenseMatrix<int, Scalar>& B,
364 using Teuchos::ArrayView;
366 using Teuchos::rcpFromRef;
367 typedef Tpetra::Map<LO, GO, Node> map_type;
369 #ifdef HAVE_ANASAZI_TPETRA_TIMERS 370 const std::string timerName (
"Anasazi::MVT::MvTimesMatAddMv");
371 Teuchos::RCP<Teuchos::Time> timer =
372 Teuchos::TimeMonitor::lookupCounter (timerName);
373 if (timer.is_null ()) {
374 timer = Teuchos::TimeMonitor::getNewCounter (timerName);
376 TEUCHOS_TEST_FOR_EXCEPTION(
377 timer.is_null (), std::logic_error,
378 "Anasazi::MultiVecTraits::MvTimesMatAddMv: " 379 "Failed to look up timer \"" << timerName <<
"\". " 380 "Please report this bug to the Belos developers.");
383 Teuchos::TimeMonitor timeMon (*timer);
387 if (B.numRows () == 1 && B.numCols () == 1) {
388 mv.update (alpha*B(0,0), A, beta);
393 Teuchos::SerialComm<int> serialComm;
394 map_type LocalMap (B.numRows (), A.getMap ()->getIndexBase (),
395 rcpFromRef<const Comm<int> > (serialComm),
396 Tpetra::LocallyReplicated);
398 ArrayView<const Scalar> Bvalues (B.values (), B.stride () * B.numCols ());
400 MV B_mv (rcpFromRef (LocalMap), Bvalues, B.stride (), B.numCols ());
401 mv.multiply (Teuchos::NO_TRANS, Teuchos::NO_TRANS, alpha, A, B_mv, beta);
418 mv.update (alpha, A, beta, B, Teuchos::ScalarTraits<Scalar>::zero ());
421 static void MvScale (MV& mv, Scalar alpha) {
425 static void MvScale (MV& mv,
const std::vector<Scalar>& alphas) {
433 Teuchos::SerialDenseMatrix<int,Scalar>& C)
435 using Tpetra::LocallyReplicated;
439 using Teuchos::TimeMonitor;
440 typedef Tpetra::Map<LO,GO,Node> map_type;
442 #ifdef HAVE_ANASAZI_TPETRA_TIMERS 443 const std::string timerName (
"Anasazi::MVT::MvTransMv");
444 RCP<Teuchos::Time> timer = TimeMonitor::lookupCounter (timerName);
445 if (timer.is_null ()) {
446 timer = TimeMonitor::getNewCounter (timerName);
448 TEUCHOS_TEST_FOR_EXCEPTION(
449 timer.is_null (), std::logic_error,
"Anasazi::MvTransMv: " 450 "Failed to look up timer \"" << timerName <<
"\". " 451 "Please report this bug to the Belos developers.");
454 TimeMonitor timeMon (*timer);
455 #endif // HAVE_ANASAZI_TPETRA_TIMERS 465 const int numRowsC = C.numRows ();
466 const int numColsC = C.numCols ();
467 const int strideC = C.stride ();
470 if (numRowsC == 1 && numColsC == 1) {
471 if (alpha == Teuchos::ScalarTraits<Scalar>::zero ()) {
476 A.dot (B, Teuchos::ArrayView<Scalar> (C.values (), 1));
477 if (alpha != Teuchos::ScalarTraits<Scalar>::one ()) {
484 RCP<const Comm<int> > pcomm = A.getMap ()->getComm ();
487 RCP<const map_type> LocalMap =
488 rcp (
new map_type (numRowsC, 0, pcomm, LocallyReplicated));
490 const bool INIT_TO_ZERO =
true;
491 MV C_mv (LocalMap, numColsC, INIT_TO_ZERO);
494 C_mv.multiply (Teuchos::CONJ_TRANS, Teuchos::NO_TRANS, alpha, A, B,
495 Teuchos::ScalarTraits<Scalar>::zero ());
498 Teuchos::ArrayView<Scalar> C_view (C.values (), strideC * numColsC);
503 C_mv.get1dCopy (C_view, strideC);
508 MvDot (
const MV& A,
const MV& B, std::vector<Scalar> &dots)
510 const size_t numVecs = A.getNumVectors ();
511 TEUCHOS_TEST_FOR_EXCEPTION(
512 numVecs != B.getNumVectors (), std::invalid_argument,
513 "Anasazi::MultiVecTraits::MvDot(A,B,dots): " 514 "A and B must have the same number of columns. " 515 "A has " << numVecs <<
" column(s), " 516 "but B has " << B.getNumVectors () <<
" column(s).");
517 #ifdef HAVE_TPETRA_DEBUG 518 TEUCHOS_TEST_FOR_EXCEPTION(
519 dots.size() < numVecs, std::invalid_argument,
520 "Anasazi::MultiVecTraits::MvDot(A,B,dots): " 521 "The output array 'dots' must have room for all dot products. " 522 "A and B each have " << numVecs <<
" column(s), " 523 "but 'dots' only has " << dots.size() <<
" entry(/ies).");
524 #endif // HAVE_TPETRA_DEBUG 526 Teuchos::ArrayView<Scalar> av (dots);
527 A.dot (B, av (0, numVecs));
533 std::vector<
typename Teuchos::ScalarTraits<Scalar>::magnitudeType> &normvec)
535 typedef typename Teuchos::ScalarTraits<Scalar>::magnitudeType magnitude_type;
536 #ifdef HAVE_TPETRA_DEBUG 537 TEUCHOS_TEST_FOR_EXCEPTION(
538 normvec.size () <
static_cast<std::vector<int>::size_type
> (mv.getNumVectors ()),
539 std::invalid_argument,
540 "Anasazi::MultiVecTraits::MvNorm(mv,normvec): The normvec output " 541 "argument must have at least as many entries as the number of vectors " 542 "(columns) in the MultiVector mv. normvec.size() = " << normvec.size ()
543 <<
" < mv.getNumVectors() = " << mv.getNumVectors () <<
".");
544 #endif // HAVE_TPETRA_DEBUG 545 Teuchos::ArrayView<magnitude_type> av (normvec);
546 mv.norm2 (av (0, mv.getNumVectors ()));
550 SetBlock (
const MV& A,
const std::vector<int>& index, MV& mv)
552 using Teuchos::Range1D;
554 const size_t inNumVecs = A.getNumVectors ();
555 #ifdef HAVE_TPETRA_DEBUG 556 TEUCHOS_TEST_FOR_EXCEPTION(
557 inNumVecs < static_cast<size_t> (index.size ()), std::invalid_argument,
558 "Anasazi::MultiVecTraits::SetBlock(A,index,mv): 'index' argument must " 559 "have no more entries as the number of columns in the input MultiVector" 560 " A. A.getNumVectors() = " << inNumVecs <<
" < index.size () = " 561 << index.size () <<
".");
562 #endif // HAVE_TPETRA_DEBUG 564 if (inNumVecs > static_cast<size_t> (index.size ())) {
565 RCP<const MV> Asub = A.subView (Range1D (0, index.size () - 1));
566 Tpetra::deep_copy (*mvsub, *Asub);
568 Tpetra::deep_copy (*mvsub, A);
573 SetBlock (
const MV& A,
const Teuchos::Range1D& index, MV& mv)
582 const size_t maxInt =
583 static_cast<size_t> (Teuchos::OrdinalTraits<int>::max ());
584 const bool overflow =
585 maxInt < A.getNumVectors () && maxInt < mv.getNumVectors ();
587 std::ostringstream os;
588 os <<
"Anasazi::MultiVecTraits::SetBlock(A, index=[" << index.lbound ()
589 <<
", " << index.ubound () <<
"], mv): ";
590 TEUCHOS_TEST_FOR_EXCEPTION(
591 maxInt < A.getNumVectors (), std::range_error, os.str () <<
"Number " 592 "of columns (size_t) in the input MultiVector 'A' overflows int.");
593 TEUCHOS_TEST_FOR_EXCEPTION(
594 maxInt < mv.getNumVectors (), std::range_error, os.str () <<
"Number " 595 "of columns (size_t) in the output MultiVector 'mv' overflows int.");
598 const int numColsA =
static_cast<int> (A.getNumVectors ());
599 const int numColsMv =
static_cast<int> (mv.getNumVectors ());
601 const bool validIndex =
602 index.lbound () >= 0 && index.ubound () < numColsMv;
604 const bool validSource = index.size () <= numColsA;
606 if (! validIndex || ! validSource) {
607 std::ostringstream os;
608 os <<
"Anasazi::MultiVecTraits::SetBlock(A, index=[" << index.lbound ()
609 <<
", " << index.ubound () <<
"], mv): ";
610 TEUCHOS_TEST_FOR_EXCEPTION(
611 index.lbound() < 0, std::invalid_argument,
612 os.str() <<
"Range lower bound must be nonnegative.");
613 TEUCHOS_TEST_FOR_EXCEPTION(
614 index.ubound() >= numColsMv, std::invalid_argument,
615 os.str() <<
"Range upper bound must be less than the number of " 616 "columns " << numColsA <<
" in the 'mv' output argument.");
617 TEUCHOS_TEST_FOR_EXCEPTION(
618 index.size() > numColsA, std::invalid_argument,
619 os.str() <<
"Range must have no more elements than the number of " 620 "columns " << numColsA <<
" in the 'A' input argument.");
621 TEUCHOS_TEST_FOR_EXCEPTION(
622 true, std::logic_error,
"Should never get here!");
628 Teuchos::RCP<MV> mv_view;
629 if (index.lbound () == 0 && index.ubound () + 1 == numColsMv) {
630 mv_view = Teuchos::rcpFromRef (mv);
638 Teuchos::RCP<const MV> A_view;
639 if (index.size () == numColsA) {
640 A_view = Teuchos::rcpFromRef (A);
642 A_view =
CloneView (A, Teuchos::Range1D (0, index.size () - 1));
645 Tpetra::deep_copy (*mv_view, *A_view);
648 static void Assign (
const MV& A, MV& mv)
650 const char errPrefix[] =
"Anasazi::MultiVecTraits::Assign(A, mv): ";
659 const size_t maxInt =
660 static_cast<size_t> (Teuchos::OrdinalTraits<int>::max ());
661 const bool overflow =
662 maxInt < A.getNumVectors () && maxInt < mv.getNumVectors ();
664 TEUCHOS_TEST_FOR_EXCEPTION(
665 maxInt < A.getNumVectors(), std::range_error,
666 errPrefix <<
"Number of columns in the input multivector 'A' " 667 "(a size_t) overflows int.");
668 TEUCHOS_TEST_FOR_EXCEPTION(
669 maxInt < mv.getNumVectors(), std::range_error,
670 errPrefix <<
"Number of columns in the output multivector 'mv' " 671 "(a size_t) overflows int.");
672 TEUCHOS_TEST_FOR_EXCEPTION(
673 true, std::logic_error,
"Should never get here!");
676 const int numColsA =
static_cast<int> (A.getNumVectors ());
677 const int numColsMv =
static_cast<int> (mv.getNumVectors ());
678 if (numColsA > numColsMv) {
679 TEUCHOS_TEST_FOR_EXCEPTION(
680 numColsA > numColsMv, std::invalid_argument,
681 errPrefix <<
"Input multivector 'A' has " << numColsA <<
" columns, " 682 "but output multivector 'mv' has only " << numColsMv <<
" columns.");
683 TEUCHOS_TEST_FOR_EXCEPTION(
true, std::logic_error,
"Should never get here!");
685 if (numColsA == numColsMv) {
686 Tpetra::deep_copy (mv, A);
688 Teuchos::RCP<MV> mv_view =
690 Tpetra::deep_copy (*mv_view, A);
699 MvInit (MV& mv,
const Scalar alpha = Teuchos::ScalarTraits<Scalar>::zero ())
701 mv.putScalar (alpha);
704 static void MvPrint (
const MV& mv, std::ostream& os) {
708 #ifdef HAVE_ANASAZI_TSQR 709 typedef Tpetra::TsqrAdaptor<Tpetra::MultiVector<Scalar, LO, GO, Node> > tsqr_adaptor_type;
712 #endif // HAVE_ANASAZI_TSQR 717 template <
class Scalar,
class LO,
class GO,
class Node>
719 Tpetra::MultiVector<Scalar,LO,GO,Node>,
720 Tpetra::Operator<Scalar,LO,GO,Node> >
724 Apply (
const Tpetra::Operator<Scalar,LO,GO,Node>& Op,
725 const Tpetra::MultiVector<Scalar,LO,GO,Node>& X,
726 Tpetra::MultiVector<Scalar,LO,GO,Node>& Y)
728 Op.apply (X, Y, Teuchos::NO_TRANS);
733 template<
class ST,
class LO,
class GO,
class NT>
735 typedef Tpetra::Operator<ST, LO, GO, NT> operator_type;
737 static Teuchos::RCP<Teuchos::FancyOStream>
738 getOutputStream (
const operator_type& op,
int rootRank = 0)
740 Teuchos::RCP<Teuchos::FancyOStream> fos = Teuchos::getFancyOStream(Teuchos::rcpFromRef(std::cout));
741 Teuchos::RCP<const Teuchos::Comm<int> > comm = (op.getDomainMap())->getComm ();
744 const int myRank = comm.is_null () ? 0 : comm->getRank ();
745 const int numProcs = comm.is_null () ? 1 : comm->getSize ();
748 Teuchos::reduceAll(*comm,Teuchos::REDUCE_SUM,1,&myRank,&rootRank);
754 fos->setProcRankAndSize (myRank, numProcs);
755 fos->setOutputToRootOnly (rootRank);
static ptrdiff_t GetGlobalLength(const MV &mv)
Return the number of rows in the given multivector mv.
static void MvDot(const MV &A, const MV &B, std::vector< Scalar > &dots)
For all columns j of A, set dots[j] := A[j]^T * B[j].
static void MvInit(MV &mv, const ScalarType alpha=Teuchos::ScalarTraits< ScalarType >::zero())
Replace each element of the vectors in mv with alpha.
static void MvRandom(MV &mv)
Replace the vectors in mv with random vectors.
static void MvTimesMatAddMv(const ScalarType alpha, const MV &A, const Teuchos::SerialDenseMatrix< int, ScalarType > &B, const ScalarType beta, MV &mv)
Update mv with .
static Teuchos::RCP< MV > Clone(const MV &X, const int numVecs)
Create a new MultiVector with numVecs columns.
static void MvAddMv(Scalar alpha, const MV &A, Scalar beta, const MV &B, MV &mv)
mv := alpha*A + beta*B
Declaration of basic traits for the multivector type.
Virtual base class which defines basic traits for the operator type.
static void Apply(const OP &Op, const MV &x, MV &y)
Application method which performs operation y = Op*x. An OperatorError exception is thrown if there i...
static void Assign(const MV &A, MV &mv)
mv := A
Output managers remove the need for the eigensolver to know any information about the required output...
static Teuchos::RCP< MV > CloneCopy(const MV &mv, const std::vector< int > &index)
Create and return a deep copy of the given columns of mv.
Namespace Anasazi contains the classes, structs, enums and utilities used by the Anasazi package...
static void MvNorm(const MV &mv, std::vector< typename Teuchos::ScalarTraits< Scalar >::magnitudeType > &normvec)
For all columns j of mv, set normvec[j] = norm(mv[j]).
static Teuchos::RCP< MV > CloneCopy(const MV &X)
Create and return a deep copy of X.
Traits class which defines basic operations on multivectors.
static void MvTransMv(const ScalarType alpha, const MV &A, const MV &B, Teuchos::SerialDenseMatrix< int, ScalarType > &C)
Compute C := alpha * A^H B.
Virtual base class which defines basic traits for the operator type.
static void MvScale(MV &mv, const ScalarType alpha)
Scale each element of the vectors in mv with alpha.
Anasazi header file which uses auto-configuration information to include necessary C++ headers...
static Teuchos::RCP< MV > CloneViewNonConst(MV &mv, const std::vector< int > &index)
Creates a new MV that shares the selected contents of mv (shallow copy).
static Teuchos::RCP< const MV > CloneView(const MV &mv, const std::vector< int > &index)
Creates a new const MV that shares the selected contents of mv (shallow copy).
static void SetBlock(const MV &A, const std::vector< int > &index, MV &mv)
Copy the vectors in A to a set of vectors in mv indicated by the indices given in index...
static int GetNumberVecs(const MV &mv)
Obtain the number of vectors in mv.
Types and exceptions used within Anasazi solvers and interfaces.
Abstract class definition for Anasazi output stream.
static void MvPrint(const MV &mv, std::ostream &os)
Print the mv multi-vector to the os output stream.
Anasazi's templated virtual class for constructing an operator that can interface with the OperatorTr...
static Teuchos::RCP< MV > CloneCopy(const MV &mv, const Teuchos::Range1D &index)
Create and return a deep copy of the given columns of mv.