static void
dofile( /* plot a file */
int optc,
char *optv[],
char *file
)
{
char stmp[256];
int i;
/* start fresh */
mgclearall();
/* type options first */
for (i = 0; i < optc; i++)
if (istyp(optv[i])) {
sprintf(stmp, "include=%s.plt", optv[i]+1);
setmgvar(progname, stdin, stmp);
} else
i++;
/* file next */
mgload(file);
/* variable options last */
for (i = 0; i < optc; i++)
if (isvar(optv[i])) {
sprintf(stmp, "%s=%s", optv[i]+1, optv[i+1]);
setmgvar(progname, stdin, stmp);
i++;
}
/* graph it */
mgraph();
}
void test_MatrixGraph_test8(MPI_Comm comm, int numProcs, int localProc)
{
FEI_COUT << "testing matrix-graph with 'diagonal' connectivity block...";
try {
fei::SharedPtr<fei::VectorSpace> rowspace(new fei::VectorSpace(comm));
fei::SharedPtr<fei::VectorSpace> colspace;
int rowfield = 0, rowfieldsize = 1;
rowspace->defineFields(1, &rowfield, &rowfieldsize);
int idType = 0;
rowspace->defineIDTypes(1, &idType);
fei::MatrixGraph_Impl2 mgraph(rowspace, colspace);
int numIDs = 4;
int patternID = mgraph.definePattern(numIDs, idType, rowfield);
fei::Pattern* pattern = mgraph.getPattern(patternID);
if (pattern->getNumIndices() != 4*rowfieldsize) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_MatrixGraph_test8, line "<<__LINE__<<FEI_ENDL;
throw std::runtime_error(osstr.str());
}
int blockID = 0;
int numConnLists = 1;
bool diagonal = true;
mgraph.initConnectivityBlock(blockID, numConnLists, patternID, diagonal);
std::vector<int> ids(numIDs);
for(int i=0; i<numIDs; ++i) {
ids[i] = i;
}
mgraph.initConnectivity(blockID, 0, &ids[0]);
mgraph.initComplete();
fei::SharedPtr<fei::SparseRowGraph> localSRGraph =
mgraph.createGraph(false);
if ((int)localSRGraph->packedColumnIndices.size() != numIDs) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_MatrixGraph_test8, line "<<__LINE__<<FEI_ENDL;
throw std::runtime_error(osstr.str());
}
}
catch(std::runtime_error& exc) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_MatrixGraph_test8, caught exception: " << exc.what();
throw std::runtime_error(osstr.str());
}
FEI_COUT << "ok" << FEI_ENDL;
}
void test_MatrixGraph_test7(MPI_Comm comm, int numProcs, int localProc)
{
fei::SharedPtr<fei::VectorSpace> rowspace(new fei::VectorSpace(comm));
fei::SharedPtr<fei::VectorSpace> colspace(new fei::VectorSpace(comm));
int rowfield = 0, rowfieldsize = 1;
int colfield = 1, colfieldsize = 3;
rowspace->defineFields(1, &rowfield, &rowfieldsize);
colspace->defineFields(1, &colfield, &colfieldsize);
fei::MatrixGraph_Impl2 mgraph(rowspace, colspace);
int pID = mgraph.definePattern(4, 0, colfield);
fei::Pattern* pattern = mgraph.getPattern(pID);
if (pattern->getNumIndices() != 4*colfieldsize) {
FEI_COUT << "getNumIndices: " << pattern->getNumIndices()<<", colfieldsize: " << colfieldsize<<FEI_ENDL;
FEI_OSTRINGSTREAM osstr;
osstr << "test_MatrixGraph_test7, line "<<__LINE__<<FEI_ENDL;
throw std::runtime_error(osstr.str());
}
}
void test_Matrix_unit2(MPI_Comm comm, int numProcs, int localProc)
{
if (numProcs > 1) {
return;
}
FEI_COUT << "testing fei::Matrix_Impl...";
fei::SharedPtr<fei::VectorSpace> rowspace(new fei::VectorSpace(comm));
fei::SharedPtr<fei::VectorSpace> colspace;
int rowfield = 0, rowfieldsize = 1;
int idType = 0;
rowspace->defineFields(1, &rowfield, &rowfieldsize);
rowspace->defineIDTypes(1, &idType);
fei::SharedPtr<fei::MatrixGraph> mgraph(new fei::MatrixGraph_Impl2(rowspace, colspace));
int patternID1 = mgraph->definePattern(2, idType, rowfield);
fei::Pattern* rowpattern = mgraph->getPattern(patternID1);
mgraph->initConnectivityBlock(0, 1, patternID1);
std::vector<int> ids(2);
ids[0] = 0; ids[1] = 1;
int err = mgraph->initConnectivity(0, 0, &ids[0]);
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit2, initConnectivity returned err="<<err;
throw std::runtime_error(osstr.str());
}
err = mgraph->initComplete();
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit2, initComplete returned err="<<err;
throw std::runtime_error(osstr.str());
}
bool factory_created = false;
fei::SharedPtr<fei::Factory> factory;
try {
factory = fei::create_fei_Factory(comm, "Trilinos");
factory_created = true;
}
catch(...) {}
if (!factory_created) {
FEI_COUT << "failed to create Trilinos factory."<<FEI_ENDL;
return;
}
fei::SharedPtr<fei::Matrix> feimat = factory->createMatrix(mgraph);
int numrowindices = rowpattern->getNumIndices();
std::vector<double> coefs(numrowindices*numrowindices, 1.0);
std::vector<double*> coefs_2D(numrowindices);
for(int i=0; i<numrowindices; ++i) {
coefs_2D[i] = &(coefs[i*numrowindices]);
}
err = feimat->sumIn(0, 0, &coefs_2D[0]);
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit2, feimat->sumIn returned err="<<err;
throw std::runtime_error(osstr.str());
}
err = feimat->globalAssemble();
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit2, feimat->globalAssemble returned err="<<err;
throw std::runtime_error(osstr.str());
}
err = feimat->writeToFile("feimat2.mtx", false);
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit2, feimat->writeToFile returned err="<<err;
throw std::runtime_error(osstr.str());
}
fei::FillableMat feimat_ss;
err = fei_test_utils::copy_feiMatrix_to_FillableMat(*feimat, feimat_ss);
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit2, copy_feiMatrix_to_FillableMat returned err="<<err;
throw std::runtime_error(osstr.str());
}
fei_test_utils::writeMatrix("feimat_ss2.mtx", feimat_ss);
FEI_COUT << "ok"<<FEI_ENDL;
}
void test_Matrix_unit4(MPI_Comm comm, int numProcs, int localProc)
{
if (numProcs > 1) {
return;
}
FEI_COUT << "testing fei::Matrix_Impl with FEI_BLOCK_DIAGONAL_ROW...";
fei::SharedPtr<fei::VectorSpace> rowspace(new fei::VectorSpace(comm));
fei::SharedPtr<fei::VectorSpace> colspace;
int rowfield = 0, rowfieldsize = 2;
int idType = 0;
rowspace->defineFields(1, &rowfield, &rowfieldsize);
rowspace->defineIDTypes(1, &idType);
fei::SharedPtr<fei::MatrixGraph> mgraph(new fei::MatrixGraph_Impl2(rowspace, colspace));
int patternID1 = mgraph->definePattern(2, idType, rowfield);
fei::Pattern* rowpattern = mgraph->getPattern(patternID1);
bool diagonal = true;
mgraph->initConnectivityBlock(0, 1, patternID1, diagonal);
std::vector<int> ids(2);
ids[0] = 0; ids[1] = 1;
int err = mgraph->initConnectivity(0, 0, &ids[0]);
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit4, initConnectivity returned err="<<err;
throw std::runtime_error(osstr.str());
}
err = mgraph->initComplete();
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit4, initComplete returned err="<<err;
throw std::runtime_error(osstr.str());
}
fei::SharedPtr<fei::Factory> factory;
try {
factory = fei::create_fei_Factory(comm, "Trilinos");
}
catch(...) {
FEI_COUT << "Trilinos not available."<<FEI_ENDL;
return;
}
fei::Param blktrue("BLOCK_MATRIX", true);
fei::Param blkfalse("BLOCK_MATRIX", false);
fei::ParameterSet paramset;
paramset.add(blktrue);
factory->parameters(paramset);
fei::SharedPtr<fei::Matrix> feiblkmat = factory->createMatrix(mgraph);
paramset.add(blkfalse);
factory->parameters(paramset);
fei::SharedPtr<fei::Matrix> feimat = factory->createMatrix(mgraph);
int numrowindices = rowpattern->getNumIndices();
std::vector<double> coefs(numrowindices*rowfieldsize*rowfieldsize, 1.0);
std::vector<double*> coefs_2D(numrowindices*rowfieldsize);
int offset = 0;
for(int i=0; i<numrowindices*rowfieldsize; ++i) {
coefs_2D[i] = &(coefs[offset]);
offset += rowfieldsize;
}
err = feimat->sumIn(0, 0, &coefs_2D[0], FEI_BLOCK_DIAGONAL_ROW);
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit4, feimat->sumIn returned err="<<err;
throw std::runtime_error(osstr.str());
}
err = feiblkmat->sumIn(0, 0, &coefs_2D[0], FEI_BLOCK_DIAGONAL_ROW);
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit4, feiblkmat->sumIn returned err="<<err;
throw std::runtime_error(osstr.str());
}
err = feimat->globalAssemble();
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit4, feimat->globalAssemble returned err="<<err;
throw std::runtime_error(osstr.str());
}
err = feiblkmat->globalAssemble();
if (err) {
FEI_OSTRINGSTREAM osstr;
osstr << "test_Matrix_unit4, feimat->globalAssemble returned err="<<err;
throw std::runtime_error(osstr.str());
}
feimat->writeToFile("feimat_blkdiag.mtx");
feiblkmat->writeToFile("feiblkmat_blkdiag.mtx");
FEI_COUT << "ok"<<FEI_ENDL;
}
void
view_selection(ST const & data_costs, UniGraph * graph, Settings const & settings) {
UniGraph mgraph(*graph);
isolate_unseen_faces(&mgraph, data_costs);
unsigned int num_components = 0;
std::vector<FaceInfo> face_infos(mgraph.num_nodes());
std::vector<std::vector<std::size_t> > components;
// get components in the graph
mgraph.get_subgraphs(0, &components);
for (std::size_t i = 0; i < components.size(); ++i) {
if (components.size() > 1000) num_components += 1;
for (std::size_t j = 0; j < components[i].size(); ++j) {
face_infos[components[i][j]] = {i, j};
}
}
#ifdef RESEARCH
mrf::SOLVER_TYPE solver_type = mrf::GCO;
#else
mrf::SOLVER_TYPE solver_type = mrf::LBP;
#endif
/* Label 0 is undefined. */
const std::size_t num_labels = data_costs.rows() + 1;
std::vector<mrf::Graph::Ptr> mrfs(components.size());
for (std::size_t i = 0; i < components.size(); ++i) {
mrfs[i] = mrf::Graph::create(components[i].size(), num_labels, solver_type);
}
/* Set neighbors must be called prior to set_data_costs (LBP). */
set_neighbors(mgraph, face_infos, mrfs);
set_data_costs(face_infos, data_costs, mrfs);
bool multiple_components_simultaneously = false;
#ifdef RESEARCH
multiple_components_simultaneously = true;
#endif
#ifndef _OPENMP
multiple_components_simultaneously = false;
#endif
if (multiple_components_simultaneously) {
if (num_components > 0) {
std::cout << "\tOptimizing " << num_components
<< " components simultaneously." << std::endl;
}
std::cout << "\tComp\tIter\tEnergy\t\tRuntime" << std::endl;
}
#ifdef RESEARCH
#pragma omp parallel for schedule(dynamic)
#endif
for (std::size_t i = 0; i < components.size(); ++i) {
switch (settings.smoothness_term) {
case POTTS:
mrfs[i]->set_smooth_cost(*potts);
break;
}
bool verbose = mrfs[i]->num_sites() > 10000;
util::WallTimer timer;
mrf::ENERGY_TYPE const zero = mrf::ENERGY_TYPE(0);
mrf::ENERGY_TYPE last_energy = zero;
mrf::ENERGY_TYPE energy = mrfs[i]->compute_energy();
mrf::ENERGY_TYPE diff = last_energy - energy;
unsigned int iter = 0;
std::string const comp = util::string::get_filled(i, 4);
if (verbose && !multiple_components_simultaneously) {
std::cout << "\tComp\tIter\tEnergy\t\tRuntime" << std::endl;
}
while (diff != zero) {
#pragma omp critical
if (verbose) {
std::cout << "\t" << comp << "\t" << iter << "\t" << energy
<< "\t" << timer.get_elapsed_sec() << std::endl;
}
last_energy = energy;
++iter;
energy = mrfs[i]->optimize(1);
diff = last_energy - energy;
if (diff <= zero) break;
}
#pragma omp critical
if (verbose) {
std::cout << "\t" << comp << "\t" << iter << "\t" << energy << std::endl;
if (diff == zero) {
std::cout << "\t" << comp << "\t" << "Converged" << std::endl;
}
if (diff < zero) {
std::cout << "\t" << comp << "\t"
<< "Increase of energy - stopping optimization" << std::endl;
}
}
/* Extract resulting labeling from MRF. */
for (std::size_t j = 0; j < components[i].size(); ++j) {
int label = mrfs[i]->what_label(static_cast<int>(j));
assert(0 <= label && static_cast<std::size_t>(label) < num_labels);
graph->set_label(components[i][j], static_cast<std::size_t>(label));
}
}
}
TEUCHOS_UNIT_TEST(DirBC, DirBCManager_addBCRecords)
{
MPI_Comm comm = MPI_COMM_WORLD;
int idtype = 0;
int fieldID = 0;
int fieldSize = 2;
int offsetIntoField = 1;
std::vector<int> ids(5);
std::vector<double> vals(5);
ids[0] = 2; vals[0] = 2.0;
ids[1] = 1; vals[1] = 1.0;
ids[2] = 3; vals[2] = 3.0;
ids[3] = 4; vals[3] = 4.0;
ids[4] = 0; vals[4] = 0.0;
fei::SharedPtr<fei::VectorSpace> vspace(new fei::VectorSpace(comm));
vspace->defineFields(1, &fieldID, &fieldSize);
vspace->defineIDTypes(1, &idtype);
fei::SharedPtr<fei::MatrixGraph> mgraph(new fei::MatrixGraph_Impl2(vspace, vspace));
int numIDs = 1;
int patternID = mgraph->definePattern(numIDs, idtype, fieldID);
int blockID = 0;
mgraph->initConnectivityBlock(blockID, ids.size(), patternID);
for(size_t i = 0; i<ids.size(); ++i) {
mgraph->initConnectivity(blockID, i, &ids[i]);
}
mgraph->initComplete();
fei::DirichletBCManager bcmgr(mgraph->getRowSpace());
bcmgr.addBCRecords(5, idtype, fieldID, offsetIntoField,
&ids[0], &vals[0]);
if (bcmgr.getNumBCRecords() != 5) {
throw std::runtime_error("test_DirBCManager test 1 failed.");
}
std::vector<int> offsetsIntoField(5, 1);
bcmgr.addBCRecords(5, idtype, fieldID, &ids[0],
&offsetsIntoField[0], &vals[0]);
if (bcmgr.getNumBCRecords() != 5) {
throw std::runtime_error("test_DirBCManager test 2 failed.");
}
offsetsIntoField[1] = 0;
offsetsIntoField[3] = 0;
offsetsIntoField[4] = 0;
bcmgr.addBCRecords(5, idtype, fieldID, &ids[0],
&offsetsIntoField[0], &vals[0]);
if (bcmgr.getNumBCRecords() != 8) {
throw std::runtime_error("test_DirBCManager test 3 failed.");
}
}
TEUCHOS_UNIT_TEST(DirBC, DirBCManager_finalizeBCEqns)
{
MPI_Comm comm = MPI_COMM_WORLD;
int numProcs = 1;
#ifndef FEI_SER
MPI_Comm_size(comm, &numProcs);
#endif
if (numProcs > 1) {
FEI_COUT << "skipping test of fei::DirichletBCManager::finalizeBCEqn, which only"
<< " runs on 1 proc." << FEI_ENDL;
return;
}
int idtype = 0;
int fieldID = 0;
int fieldSize = 2;
int offsetIntoField = 1;
std::vector<int> ids(5);
std::vector<double> vals(5);
ids[0] = 2; vals[0] = 2.0;
ids[1] = 1; vals[1] = 1.0;
ids[2] = 3; vals[2] = 3.0;
ids[3] = 4; vals[3] = 4.0;
ids[4] = 0; vals[4] = 0.0;
fei::SharedPtr<fei::VectorSpace> vspace(new fei::VectorSpace(comm));
vspace->defineFields(1, &fieldID, &fieldSize);
vspace->defineIDTypes(1, &idtype);
fei::SharedPtr<fei::MatrixGraph> mgraph(new fei::MatrixGraph_Impl2(vspace, vspace));
int numIDs = 1;
int patternID = mgraph->definePattern(numIDs, idtype);
int blockID = 0;
mgraph->initConnectivityBlock(blockID, ids.size(), patternID);
for(size_t i = 0; i<ids.size(); ++i) {
mgraph->initConnectivity(blockID, i, &ids[i]);
}
mgraph->initComplete();
fei::DirichletBCManager bcmgr(mgraph->getRowSpace());
bcmgr.addBCRecords(5, idtype, fieldID, offsetIntoField,
&ids[0], &vals[0]);
fei::SharedPtr<fei::FillableMat> inner(new fei::FillableMat);
fei::SharedPtr<fei::Matrix_Impl<fei::FillableMat> > feimat(new fei::Matrix_Impl<fei::FillableMat>(inner, mgraph, ids.size()));
TEUCHOS_TEST_EQUALITY(bcmgr.finalizeBCEqns(*feimat, false), 0, out, success);
TEUCHOS_TEST_EQUALITY(feimat->getGlobalNumRows(), feimat->getLocalNumRows(),out,success);
TEUCHOS_TEST_EQUALITY(feimat->getGlobalNumRows(), (int)ids.size(), out, success);
}
TEUCHOS_UNIT_TEST(MatGraph, MatGraph_test1)
{
int numprocs = fei::numProcs(MPI_COMM_WORLD);
if (numprocs > 1) return;
//two id-types: 0, 1:
int idT[] = {0, 1};
snl_fei::RecordCollection* recColls[] = {NULL,NULL};
//set up a pattern for an element that has 6 ids: 3 nodes and 3 edges.
const int numIDs = 6;
//assume 0 is the node-type and 1 is the edge-type:
int idTypes[] = {0, 0, 0, 1, 1, 1};
//for the first pattern, only the edge ids will have a field attached:
int fieldsPerID[] = {0, 0, 0, 1, 1, 1};
int fieldID = 0;
int fieldSize = 1;
int fieldIDs[] = {fieldID, fieldID, fieldID};
int fieldSizes[] = {fieldSize, fieldSize, fieldSize};
fei::Pattern pattern1(numIDs, &idTypes[0], &recColls[0], &fieldsPerID[0], &fieldIDs[0], &fieldSizes[0]);
//declare a vector-space, do some rudimentary initializations:
fei::SharedPtr<fei::VectorSpace> rowspace(new fei::VectorSpace(MPI_COMM_WORLD));
rowspace->defineIDTypes(2, &idT[0]);
rowspace->defineFields(1, &fieldID, &fieldSize);
fei::SharedPtr<fei::VectorSpace> colspace;
//declare a matrix-graph:
fei::MatrixGraph_Impl2 mgraph(rowspace, colspace);
int patternID1 = mgraph.definePattern(numIDs, &idTypes[0], &fieldsPerID[0], &fieldIDs[0]);
//unit-test: make sure the matrix-graph's pattern is the same as our
//explicitly-declared pattern:
fei::Pattern* pttn1 = mgraph.getPattern(patternID1);
TEUCHOS_TEST_EQUALITY(pattern1 == *pttn1, true, out, success);
//now declare a second pattern which is the same except now fields are
//attached to nodes instead of edges:
fieldsPerID[0] = 1; fieldsPerID[1] = 1; fieldsPerID[2] = 1;
fieldsPerID[3] = 0; fieldsPerID[4] = 0; fieldsPerID[5] = 0;
fei::Pattern pattern2(numIDs, &idTypes[0], &recColls[0], &fieldsPerID[0], &fieldIDs[0], &fieldSizes[0]);
int patternID2 = mgraph.definePattern(numIDs, &idTypes[0], &fieldsPerID[0], &fieldIDs[0]);
fei::Pattern* pttn2 = mgraph.getPattern(patternID2);
TEUCHOS_TEST_EQUALITY(pattern2 == *pttn2, true, out, success);
//declare two element-blocks, one for each pattern. each element block will have
//just one element:
mgraph.initConnectivityBlock(0, 1, patternID1);
mgraph.initConnectivityBlock(1, 1, patternID2);
//Two-element mesh, each element has 3 vertex-nodes, and 3 edges:
/*
0 1
o---4--o
\ | \
\ | \
5 6 7
\ | \
\ | \
o---8--o
2 3
*/
//the first element has nodes 0, 1, 2 and edges 4, 5, 6:
int ids0[] = {0, 1, 2, 4, 5, 6};
mgraph.initConnectivity(0, 0, &ids0[0]);
//the second element has nodes 1, 2, 3 and edges 6, 7, 8:
int ids1[] = {1, 2, 3, 6, 7, 8};
mgraph.initConnectivity(1, 0, &ids1[0]);
mgraph.initComplete();
fei::SharedPtr<fei::SparseRowGraph> srg = mgraph.createGraph(false);
//The way we set things up, the graph should have 6 rows,
//with 3 nonzeros per row:
TEUCHOS_TEST_EQUALITY(srg->rowNumbers.size(), 6, out, success);
TEUCHOS_TEST_EQUALITY(srg->packedColumnIndices.size(), 18, out, success);
}
int test_Algebraic::serialtest1()
{
int i, numRows = 10;
fei::SharedPtr<fei::VectorSpace> vspace(new fei::VectorSpace(comm_));
int idType = 0;
vspace->defineIDTypes(1, &idType);
std::vector<int> rowNumbers(numRows);
for(i=0; i<numRows; ++i) {
rowNumbers[i] = i;
}
CHK_ERR( vspace->addDOFs(idType, numRows, &rowNumbers[0]) );
CHK_ERR( vspace->initComplete() );
int index = -1;
CHK_ERR( vspace->getGlobalIndex(idType, rowNumbers[3], index) );
if (index != 3) {
ERReturn(-1);
}
int numDOF = vspace->getNumDegreesOfFreedom(idType, rowNumbers[3]);
if (numDOF != 1) {
ERReturn(-1);
}
std::vector<int> globalOffsets;
vspace->getGlobalIndexOffsets(globalOffsets);
if (globalOffsets[0] != 0) {
ERReturn(-1);
}
if (globalOffsets[1] != numRows) {
ERReturn(-1);
}
fei::SharedPtr<fei::VectorSpace> dummy;
fei::MatrixGraph_Impl2 mgraph(vspace, dummy);
std::vector<int> rowOffsets(numRows+1);
std::vector<int> packedColumnIDs(numRows);
for(i=0; i<numRows; ++i) {
rowOffsets[i] = i;
packedColumnIDs[i] = i;
}
rowOffsets[numRows] = numRows;
CHK_ERR( mgraph.initConnectivity(idType, numRows,
&rowNumbers[0],
&rowOffsets[0],
&packedColumnIDs[0]) );
CHK_ERR( mgraph.initComplete() );
fei::SharedPtr<fei::SparseRowGraph> localgraph = mgraph.createGraph(false);
int mnumRows = localgraph->rowNumbers.size();
int* mrowOffsets = &(localgraph->rowOffsets[0]);
int mnumNonzeros = localgraph->packedColumnIndices.size();
int* mpackedColumnIndices = &(localgraph->packedColumnIndices[0]);
if (mnumRows != numRows) {
ERReturn(-1);
}
if (mnumNonzeros != numRows) {
ERReturn(-1);
}
for(i=0; i<numRows; ++i) {
if ((mrowOffsets[i+1]-mrowOffsets[i]) != 1) {
ERReturn(-1);
}
if (mpackedColumnIndices[i] != packedColumnIDs[i]) {
ERReturn(-1);
}
}
return(0);
}
