int writeRowMatrix(FILE * handle, const Epetra_RowMatrix & A) {
long long numRows_LL = A.NumGlobalRows64();
if(numRows_LL > std::numeric_limits<int>::max())
throw "EpetraExt::writeRowMatrix: numRows_LL > std::numeric_limits<int>::max()";
int numRows = static_cast<int>(numRows_LL);
Epetra_Map rowMap = A.RowMatrixRowMap();
Epetra_Map colMap = A.RowMatrixColMap();
const Epetra_Comm & comm = rowMap.Comm();
long long ioffset = 1 - rowMap.IndexBase64(); // Matlab indices start at 1
long long joffset = 1 - colMap.IndexBase64(); // Matlab indices start at 1
if (comm.MyPID()!=0) {
if (A.NumMyRows()!=0) {EPETRA_CHK_ERR(-1);}
if (A.NumMyCols()!=0) {EPETRA_CHK_ERR(-1);}
}
else {
if (numRows!=A.NumMyRows()) {EPETRA_CHK_ERR(-1);}
Epetra_SerialDenseVector values(A.MaxNumEntries());
Epetra_IntSerialDenseVector indices(A.MaxNumEntries());
for (int i=0; i<numRows; i++) {
long long I = rowMap.GID64(i) + ioffset;
int numEntries;
if (A.ExtractMyRowCopy(i, values.Length(), numEntries,
values.Values(), indices.Values())!=0) {EPETRA_CHK_ERR(-1);}
for (int j=0; j<numEntries; j++) {
long long J = colMap.GID64(indices[j]) + joffset;
double val = values[j];
fprintf(handle, "%lld %lld %22.16e\n", I, J, val);
}
}
}
return(0);
}
int RowMatrixToHandle(FILE * handle, const Epetra_RowMatrix & A) {
Epetra_Map map = A.RowMatrixRowMap();
const Epetra_Comm & comm = map.Comm();
int numProc = comm.NumProc();
if (numProc==1 || !A.Map().DistributedGlobal())
writeRowMatrix(handle, A);
else {
int numRows = map.NumMyElements();
Epetra_Map allGidsMap((int_type) -1, numRows, (int_type) 0,comm);
typename Epetra_GIDTypeVector<int_type>::impl allGids(allGidsMap);
for (int i=0; i<numRows; i++) allGids[i] = (int_type) map.GID64(i);
// Now construct a RowMatrix on PE 0 by strip-mining the rows of the input matrix A.
int numChunks = numProc;
int stripSize = allGids.GlobalLength64()/numChunks;
int remainder = allGids.GlobalLength64()%numChunks;
int curStart = 0;
int curStripSize = 0;
typename Epetra_GIDTypeSerialDenseVector<int_type>::impl importGidList;
if (comm.MyPID()==0)
importGidList.Size(stripSize+1); // Set size of vector to max needed
for (int i=0; i<numChunks; i++) {
if (comm.MyPID()==0) { // Only PE 0 does this part
curStripSize = stripSize;
if (i<remainder) curStripSize++; // handle leftovers
for (int j=0; j<curStripSize; j++) importGidList[j] = j + curStart;
curStart += curStripSize;
}
// The following import map will be non-trivial only on PE 0.
if (comm.MyPID()>0) assert(curStripSize==0);
Epetra_Map importGidMap(-1, curStripSize, importGidList.Values(), 0, comm);
Epetra_Import gidImporter(importGidMap, allGidsMap);
typename Epetra_GIDTypeVector<int_type>::impl importGids(importGidMap);
if (importGids.Import(allGids, gidImporter, Insert)!=0) {EPETRA_CHK_ERR(-1); }
// importGids now has a list of GIDs for the current strip of matrix rows.
// Use these values to build another importer that will get rows of the matrix.
// The following import map will be non-trivial only on PE 0.
Epetra_Map importMap(-1, importGids.MyLength(), importGids.Values(), map.IndexBase64(), comm);
Epetra_Import importer(importMap, map);
Epetra_CrsMatrix importA(Copy, importMap, 0);
if (importA.Import(A, importer, Insert)!=0) {EPETRA_CHK_ERR(-1); }
if (importA.FillComplete(A.OperatorDomainMap(), importMap)!=0) {EPETRA_CHK_ERR(-1);}
// Finally we are ready to write this strip of the matrix to ostream
if (writeRowMatrix(handle, importA)!=0) {EPETRA_CHK_ERR(-1);}
}
}
return(0);
}
int main(int argc, char *argv[]) {
int ierr=0, returnierr=0;
#ifdef EPETRA_MPI
MPI_Init(&argc,&argv);
Epetra_MpiComm Comm(MPI_COMM_WORLD);
#else
Epetra_SerialComm Comm;
#endif
bool verbose = false;
// Check if we should print results to standard out
if (argc>1) if (argv[1][0]=='-' && argv[1][1]=='v') verbose = true;
if (!verbose) {
Comm.SetTracebackMode(0); // This should shut down any error traceback reporting
}
int MyPID = Comm.MyPID();
int NumProc = Comm.NumProc();
if (verbose && MyPID==0)
cout << Epetra_Version() << endl << endl;
if (verbose) cout << Comm << endl;
bool verbose1 = verbose;
if (verbose) verbose = (MyPID==0);
int NumMyElements = 10000;
int NumMyElements1 = NumMyElements; // Used for local map
long long NumGlobalElements = ((long long)NumMyElements)*NumProc+EPETRA_MIN(NumProc,3);
if (MyPID < 3) NumMyElements++;
long long IndexBase = 0;
bool DistributedGlobal = (NumGlobalElements>NumMyElements);
Epetra_Map* Map;
// Test exceptions
if (verbose)
cout << "*******************************************************************************************" << endl
<< " Testing Exceptions (Expect error messages if EPETRA_NO_ERROR_REPORTS is not defined" << endl
<< "*******************************************************************************************" << endl
<< endl << endl;
try {
if (verbose) cout << "Checking Epetra_Map(-2, IndexBase, Comm)" << endl;
Map = new Epetra_Map((long long)-2, IndexBase, Comm);
}
catch (int Error) {
if (Error!=-1) {
if (Error!=0) {
EPETRA_TEST_ERR(Error,returnierr);
if (verbose) cout << "Error code should be -1" << endl;
}
else {
cout << "Error code = " << Error << "Should be -1" << endl;
returnierr+=1;
}
}
else if (verbose) cout << "Checked OK\n\n" << endl;
}
try {
if (verbose) cout << "Checking Epetra_Map(2, 3, IndexBase, Comm)" << endl;
Map = new Epetra_Map((long long)2, 3, IndexBase, Comm);
}
catch (int Error) {
if (Error!=-4) {
if (Error!=0) {
EPETRA_TEST_ERR(Error,returnierr);
if (verbose) cout << "Error code should be -4" << endl;
}
else {
cout << "Error code = " << Error << "Should be -4" << endl;
returnierr+=1;
}
}
else if (verbose) cout << "Checked OK\n\n" << endl;
}
if (verbose) cerr << flush;
if (verbose) cout << flush;
Comm.Barrier();
if (verbose)
cout << endl << endl
<< "*******************************************************************************************" << endl
<< " Testing valid constructor now......................................................" << endl
<< "*******************************************************************************************" << endl
<< endl << endl;
// Test Epetra-defined uniform linear distribution constructor
Map = new Epetra_Map(NumGlobalElements, IndexBase, Comm);
if (verbose) cout << "Checking Epetra_Map(NumGlobalElements, IndexBase, Comm)" << endl;
ierr = checkmap(*Map, NumGlobalElements, NumMyElements, 0,
IndexBase, Comm, DistributedGlobal);
EPETRA_TEST_ERR(ierr,returnierr);
if (verbose && ierr==0) cout << "Checked OK\n\n" <<endl;
delete Map;
// Test User-defined linear distribution constructor
Map = new Epetra_Map(NumGlobalElements, NumMyElements, IndexBase, Comm);
if (verbose) cout << "Checking Epetra_Map(NumGlobalElements, NumMyElements, IndexBase, Comm)" << endl;
ierr = checkmap(*Map, NumGlobalElements, NumMyElements, 0,
IndexBase, Comm, DistributedGlobal);
EPETRA_TEST_ERR(ierr,returnierr);
if (verbose && ierr==0) cout << "Checked OK\n\n" <<endl;
delete Map;
// Test User-defined arbitrary distribution constructor
// Generate Global Element List. Do in reverse for fun!
long long * MyGlobalElements = new long long[NumMyElements];
long long MaxMyGID = (Comm.MyPID()+1)*NumMyElements-1+IndexBase;
if (Comm.MyPID()>2) MaxMyGID+=3;
for (int i = 0; i<NumMyElements; i++) MyGlobalElements[i] = MaxMyGID-i;
Map = new Epetra_Map(NumGlobalElements, NumMyElements, MyGlobalElements,
IndexBase, Comm);
if (verbose) cout << "Checking Epetra_Map(NumGlobalElements, NumMyElements, MyGlobalElements, IndexBase, Comm)" << endl;
ierr = checkmap(*Map, NumGlobalElements, NumMyElements, MyGlobalElements,
IndexBase, Comm, DistributedGlobal);
EPETRA_TEST_ERR(ierr,returnierr);
if (verbose && ierr==0) cout << "Checked OK\n\n" <<endl;
// Test Copy constructor
Epetra_Map* Map1 = new Epetra_Map(*Map);
// Test SameAs() method
bool same = Map1->SameAs(*Map);
EPETRA_TEST_ERR(!(same==true),ierr);// should return true since Map1 is a copy of Map
Epetra_BlockMap* Map2 = new Epetra_Map(NumGlobalElements, NumMyElements, MyGlobalElements, IndexBase, Comm);
same = Map2->SameAs(*Map);
EPETRA_TEST_ERR(!(same==true),ierr); // Map and Map2 were created with the same sets of parameters
delete Map2;
// now test SameAs() on a map that is different
Map2 = new Epetra_Map(NumGlobalElements, NumMyElements, MyGlobalElements, IndexBase-1, Comm);
same = Map2->SameAs(*Map);
EPETRA_TEST_ERR(!(same==false),ierr); // IndexBases are different
delete Map2;
// Back to testing copy constructor
if (verbose) cout << "Checking Epetra_Map(*Map)" << endl;
ierr = checkmap(*Map1, NumGlobalElements, NumMyElements, MyGlobalElements,
IndexBase, Comm, DistributedGlobal);
EPETRA_TEST_ERR(ierr,returnierr);
if (verbose && ierr==0) cout << "Checked OK\n\n" <<endl;
Epetra_Map* SmallMap = 0;
if (verbose1) {
// Build a small map for test cout. Use 10 elements from current map
long long* MyEls = Map->MyGlobalElements64();
long long IndBase = Map->IndexBase64();
int MyLen = EPETRA_MIN(10+Comm.MyPID(),Map->NumMyElements());
SmallMap = new Epetra_Map((long long)-1, MyLen, MyEls, IndBase, Comm);
}
delete [] MyGlobalElements;
delete Map;
delete Map1;
// Test reference-counting in Epetra_Map
if (verbose) cout << "Checking Epetra_Map reference counting" << endl;
ierr = checkMapDataClass(Comm, verbose);
EPETRA_TEST_ERR(ierr,returnierr);
if (verbose && ierr==0) cout << "Checked OK\n\n" <<endl;
// Test LocalMap constructor
Epetra_LocalMap* LocalMap = new Epetra_LocalMap((long long)NumMyElements1, IndexBase, Comm);
if (verbose) cout << "Checking Epetra_LocalMap(NumMyElements1, IndexBase, Comm)" << endl;
ierr = checkmap(*LocalMap, NumMyElements1, NumMyElements1, 0, IndexBase, Comm, false);
EPETRA_TEST_ERR(ierr,returnierr);
if (verbose && ierr==0) cout << "Checked OK\n\n" <<endl;
// Test Copy constructor
Epetra_LocalMap* LocalMap1 = new Epetra_LocalMap(*LocalMap);
if (verbose) cout << "Checking Epetra_LocalMap(*LocalMap)" << endl;
ierr = checkmap(*LocalMap1, NumMyElements1, NumMyElements1, 0, IndexBase, Comm, false);
EPETRA_TEST_ERR(ierr,returnierr);
if (verbose && ierr==0) cout << "Checked OK\n\n" <<endl;
delete LocalMap1;
delete LocalMap;
// Test reference-counting in Epetra_LocalMap
if (verbose) cout << "Checking Epetra_LocalMap reference counting" << endl;
ierr = checkLocalMapDataClass(Comm, verbose);
EPETRA_TEST_ERR(ierr,returnierr);
if (verbose && ierr==0) cout << "Checked OK\n\n" <<endl;
// Test output
if (verbose1) {
if (verbose) cout << "Test ostream << operator" << endl << flush;
cout << *SmallMap;
delete SmallMap;
}
#ifdef EPETRA_MPI
MPI_Finalize();
#endif
return returnierr;
}
int TLowCommunicationMakeColMapAndReindex(int N, const int * rowptr, int * colind_LID, const int_type *colind_GID, const Epetra_Map& domainMap, const int * owningPIDs, bool SortGhostsAssociatedWithEachProcessor, std::vector<int>& RemotePIDs, MapType1 & NewColMap)
{
int i,j;
// Sanity checks
bool UseLL;
if(domainMap.GlobalIndicesLongLong()) UseLL=true;
else if(domainMap.GlobalIndicesInt()) UseLL=false;
else throw std::runtime_error("LowCommunicationMakeColMapAndReindex: cannot detect int type.");
// Scan all column indices and sort into two groups:
// Local: those whose GID matches a GID of the domain map on this processor and
// Remote: All others.
int numDomainElements = domainMap.NumMyElements();
bool * LocalGIDs = 0;
if (numDomainElements>0) LocalGIDs = new bool[numDomainElements];
for (i=0; i<numDomainElements; i++) LocalGIDs[i] = false; // Assume domain GIDs are not local
bool DoSizes = !domainMap.ConstantElementSize(); // If not constant element size, then error
if(DoSizes) throw std::runtime_error("LowCommunicationMakeColMapAndReindex: cannot handle non-constant sized domainMap.");
// In principle it is good to have RemoteGIDs and RemotGIDList be as long as the number of remote GIDs
// on this processor, but this would require two passes through the column IDs, so we make it the max of 100
// and the number of block rows.
const int numMyBlockRows = N;
int hashsize = numMyBlockRows; if (hashsize < 100) hashsize = 100;
Epetra_HashTable<int_type> RemoteGIDs(hashsize);
std::vector<int_type> RemoteGIDList; RemoteGIDList.reserve(hashsize);
std::vector<int> PIDList; PIDList.reserve(hashsize);
// Here we start using the *int* colind array. If int_type==int this clobbers the GIDs, if
// int_type==long long, then this is the first use of the colind array.
// For *local* GID's set colind with with their LID in the domainMap. For *remote* GIDs,
// we set colind with (numDomainElements+NumRemoteColGIDs) before the increment of
// the remote count. These numberings will be separate because no local LID is greater
// than numDomainElements.
int NumLocalColGIDs = 0;
int NumRemoteColGIDs = 0;
for(i = 0; i < numMyBlockRows; i++) {
for(j = rowptr[i]; j < rowptr[i+1]; j++) {
int_type GID = colind_GID[j];
// Check if GID matches a row GID
int LID = domainMap.LID(GID);
if(LID != -1) {
bool alreadyFound = LocalGIDs[LID];
if (!alreadyFound) {
LocalGIDs[LID] = true; // There is a column in the graph associated with this domain map GID
NumLocalColGIDs++;
}
colind_LID[j] = LID;
}
else {
int_type hash_value=RemoteGIDs.Get(GID);
if(hash_value == -1) { // This means its a new remote GID
int PID = owningPIDs[j];
if(PID==-1) throw std::runtime_error("LowCommunicationMakeColMapAndReindex: Cannot figure out if PID is owned.");
colind_LID[j] = numDomainElements + NumRemoteColGIDs;
RemoteGIDs.Add(GID, NumRemoteColGIDs);
RemoteGIDList.push_back(GID);
PIDList.push_back(PID);
NumRemoteColGIDs++;
}
else
colind_LID[j] = numDomainElements + hash_value;
}
}
}
// Possible short-circuit: If all domain map GIDs are present as column indices, then set ColMap=domainMap and quit
if (domainMap.Comm().NumProc()==1) {
if (NumRemoteColGIDs!=0) {
throw std::runtime_error("Some column IDs are not in domainMap. If matrix is rectangular, you must pass in a domainMap");
// Sanity test: When one processor,there can be no remoteGIDs
}
if (NumLocalColGIDs==numDomainElements) {
if (LocalGIDs!=0) delete [] LocalGIDs;
// In this case, we just use the domainMap's indices, which is, not coincidently, what we clobbered colind with up above anyway.
// No further reindexing is needed.
NewColMap = domainMap;
return 0;
}
}
// Now build integer array containing column GIDs
// Build back end, containing remote GIDs, first
int numMyBlockCols = NumLocalColGIDs + NumRemoteColGIDs;
std::vector<int_type> ColIndices;
int_type * RemoteColIndices=0;
if(numMyBlockCols > 0) {
ColIndices.resize(numMyBlockCols);
if(NumLocalColGIDs!=numMyBlockCols) RemoteColIndices = &ColIndices[NumLocalColGIDs]; // Points to back end of ColIndices
else RemoteColIndices=0;
}
for(i = 0; i < NumRemoteColGIDs; i++)
RemoteColIndices[i] = RemoteGIDList[i];
// Build permute array for *remote* reindexing.
std::vector<int> RemotePermuteIDs(NumRemoteColGIDs);
for(i=0; i<NumRemoteColGIDs; i++) RemotePermuteIDs[i]=i;
// Sort External column indices so that all columns coming from a given remote processor are contiguous
int NumListsInt=0;
int NumListsLL =0;
int * IntSortLists[2];
long long * LLSortLists[2];
int * RemotePermuteIDs_ptr = RemotePermuteIDs.size() ? &RemotePermuteIDs[0] : 0;
if(!UseLL) {
// int version
IntSortLists[0] = (int*) RemoteColIndices;
IntSortLists[1] = RemotePermuteIDs_ptr;
NumListsInt=2;
}
else {
//LL version
LLSortLists[0] = (long long*) RemoteColIndices;
IntSortLists[0] = RemotePermuteIDs_ptr;
NumListsInt = NumListsLL = 1;
}
int * PIDList_ptr = PIDList.size() ? &PIDList[0] : 0;
Epetra_Util::Sort(true, NumRemoteColGIDs, PIDList_ptr, 0, 0, NumListsInt, IntSortLists,NumListsLL,LLSortLists);
// Stash the RemotePIDs
PIDList.resize(NumRemoteColGIDs);
RemotePIDs = PIDList;
if (SortGhostsAssociatedWithEachProcessor) {
// Sort external column indices so that columns from a given remote processor are not only contiguous
// but also in ascending order. NOTE: I don't know if the number of externals associated
// with a given remote processor is known at this point ... so I count them here.
// NTS: Only sort the RemoteColIndices this time...
int StartCurrent, StartNext;
StartCurrent = 0; StartNext = 1;
while ( StartNext < NumRemoteColGIDs ) {
if (PIDList[StartNext]==PIDList[StartNext-1]) StartNext++;
else {
IntSortLists[0] = &RemotePermuteIDs[StartCurrent];
Epetra_Util::Sort(true,StartNext-StartCurrent, &(RemoteColIndices[StartCurrent]),0,0,1,IntSortLists,0,0);
StartCurrent = StartNext; StartNext++;
}
}
IntSortLists[0] = &RemotePermuteIDs[StartCurrent];
Epetra_Util::Sort(true, StartNext-StartCurrent, &(RemoteColIndices[StartCurrent]), 0, 0, 1,IntSortLists,0,0);
}
// Reverse the permutation to get the information we actually care about
std::vector<int> ReverseRemotePermuteIDs(NumRemoteColGIDs);
for(i=0; i<NumRemoteColGIDs; i++) ReverseRemotePermuteIDs[RemotePermuteIDs[i]]=i;
// Build permute array for *local* reindexing.
bool use_local_permute=false;
std::vector<int> LocalPermuteIDs(numDomainElements);
// Now fill front end. Two cases:
// (1) If the number of Local column GIDs is the same as the number of Local domain GIDs, we
// can simply read the domain GIDs into the front part of ColIndices, otherwise
// (2) We step through the GIDs of the domainMap, checking to see if each domain GID is a column GID.
// we want to do this to maintain a consistent ordering of GIDs between the columns and the domain.
if(NumLocalColGIDs == domainMap.NumMyElements()) {
if(NumLocalColGIDs > 0) {
domainMap.MyGlobalElements(&ColIndices[0]); // Load Global Indices into first numMyBlockCols elements column GID list
}
}
else {
int_type* MyGlobalElements = 0;
domainMap.MyGlobalElementsPtr(MyGlobalElements);
int* ElementSizeList = 0;
if(DoSizes)
ElementSizeList = domainMap.ElementSizeList();
int NumLocalAgain = 0;
use_local_permute = true;
for(i = 0; i < numDomainElements; i++) {
if(LocalGIDs[i]) {
LocalPermuteIDs[i] = NumLocalAgain;
ColIndices[NumLocalAgain++] = MyGlobalElements[i];
}
}
assert(NumLocalAgain==NumLocalColGIDs); // Sanity test
}
// Done with this array
if (LocalGIDs!=0) delete [] LocalGIDs;
// Make Column map with same element sizes as Domain map
int_type * ColIndices_ptr = ColIndices.size() ? &ColIndices[0] : 0;
MapType2 temp((int_type)(-1), numMyBlockCols, ColIndices_ptr, (int_type)domainMap.IndexBase64(), domainMap.Comm());
NewColMap = temp;
// Low-cost reindex of the matrix
for(i=0; i<numMyBlockRows; i++){
for(j=rowptr[i]; j<rowptr[i+1]; j++){
int ID=colind_LID[j];
if(ID < numDomainElements){
if(use_local_permute) colind_LID[j] = LocalPermuteIDs[colind_LID[j]];
// In the case where use_local_permute==false, we just copy the DomainMap's ordering, which it so happens
// is what we put in colind to begin with.
}
else
colind_LID[j] = NumLocalColGIDs + ReverseRemotePermuteIDs[colind_LID[j]-numDomainElements];
}
}
return 0;
}
static Epetra_Map TCreate_Root_Map(const Epetra_Map& usermap,
int root)
{
int numProc = usermap.Comm().NumProc();
if (numProc==1) {
Epetra_Map newmap(usermap);
return(newmap);
}
const Epetra_Comm & comm = usermap.Comm();
bool isRoot = usermap.Comm().MyPID()==root;
//if usermap is already completely owned by root then we'll just return a copy of it.
int quickreturn = 0;
int globalquickreturn = 0;
if (isRoot) {
if (usermap.NumMyElements()==usermap.NumGlobalElements64()) quickreturn = 1;
}
else {
if (usermap.NumMyElements()==0) quickreturn = 1;
}
usermap.Comm().MinAll(&quickreturn, &globalquickreturn, 1);
if (globalquickreturn==1) {
Epetra_Map newmap(usermap);
return(newmap);
}
// Linear map: Simple case, just put all GIDs linearly on root processor
if (usermap.LinearMap() && root!=-1) {
int numMyElements = 0;
if(usermap.MaxAllGID64()+1 > std::numeric_limits<int>::max())
throw "Epetra_Util::Create_Root_Map: cannot fit all gids in int";
if (isRoot) numMyElements = (int)(usermap.MaxAllGID64()+1);
Epetra_Map newmap((int_type) -1, numMyElements, (int_type)usermap.IndexBase64(), comm);
return(newmap);
}
if (!usermap.UniqueGIDs())
throw usermap.ReportError("usermap must have unique GIDs",-1);
// General map
// Build IntVector of the GIDs, then ship them to root processor
int numMyElements = usermap.NumMyElements();
Epetra_Map allGidsMap((int_type) -1, numMyElements, (int_type) 0, comm);
typename Epetra_GIDTypeVector<int_type>::impl allGids(allGidsMap);
for (int i=0; i<numMyElements; i++) allGids[i] = (int_type) usermap.GID64(i);
if(usermap.MaxAllGID64() > std::numeric_limits<int>::max())
throw "Epetra_Util::Create_Root_Map: cannot fit all gids in int";
int numGlobalElements = (int) usermap.NumGlobalElements64();
if (root!=-1) {
int n1 = 0; if (isRoot) n1 = numGlobalElements;
Epetra_Map allGidsOnRootMap((int_type) -1, n1, (int_type) 0, comm);
Epetra_Import importer(allGidsOnRootMap, allGidsMap);
typename Epetra_GIDTypeVector<int_type>::impl allGidsOnRoot(allGidsOnRootMap);
allGidsOnRoot.Import(allGids, importer, Insert);
Epetra_Map rootMap((int_type)-1, allGidsOnRoot.MyLength(), allGidsOnRoot.Values(), (int_type)usermap.IndexBase64(), comm);
return(rootMap);
}
else {
int n1 = numGlobalElements;
Epetra_LocalMap allGidsOnRootMap((int_type) n1, (int_type) 0, comm);
Epetra_Import importer(allGidsOnRootMap, allGidsMap);
typename Epetra_GIDTypeVector<int_type>::impl allGidsOnRoot(allGidsOnRootMap);
allGidsOnRoot.Import(allGids, importer, Insert);
Epetra_Map rootMap((int_type) -1, allGidsOnRoot.MyLength(), allGidsOnRoot.Values(), (int_type)usermap.IndexBase64(), comm);
return(rootMap);
}
}
// ============================================================================
void EpetraExt::XMLWriter::
Write(const std::string& Label, const Epetra_Map& Map)
{
TEUCHOS_TEST_FOR_EXCEPTION(IsOpen_ == false, std::logic_error,
"No file has been opened");
long long NumGlobalElements = Map.NumGlobalElements64();
const int* MyGlobalElements_int = 0;
const long long* MyGlobalElements_LL = 0;
Map.MyGlobalElements(MyGlobalElements_int, MyGlobalElements_LL);
if(!MyGlobalElements_int || !MyGlobalElements_LL)
throw "EpetraExt::XMLWriter::Write: ERROR, GlobalIndices type unknown.";
if (Comm_.MyPID() == 0)
{
std::ofstream of(FileName_.c_str(), std::ios::app);
of << "<Map Label=\"" << Label
<< "\" NumElements=\"" << NumGlobalElements << '"'
<< " IndexBase=\"" << Map.IndexBase64() << '"'
<< " NumProc=\"" << Comm_.NumProc() << '"';
of.close();
}
for (int iproc = 0; iproc < Comm_.NumProc(); ++iproc)
{
if (iproc == Comm_.MyPID())
{
std::ofstream of(FileName_.c_str(), std::ios::app);
of << " ElementsOnProc" << iproc << "=\"" << Map.NumMyElements() << '"';
of.close();
}
Comm_.Barrier();
}
if (Comm_.MyPID() == 0)
{
std::ofstream of(FileName_.c_str(), std::ios::app);
of << '>' << std::endl;
of.close();
}
for (int iproc = 0; iproc < Comm_.NumProc(); iproc++)
{
if (iproc == Comm_.MyPID())
{
std::ofstream of(FileName_.c_str(), std::ios::app);
of << "<Proc ID=\"" << Comm_.MyPID() << "\">" << std::endl;
if(MyGlobalElements_int)
{
for (int i = 0; i < Map.NumMyElements(); ++i)
{
of << MyGlobalElements_int[i] << std::endl;
}
}
else
{
for (int i = 0; i < Map.NumMyElements(); ++i)
{
of << MyGlobalElements_LL[i] << std::endl;
}
}
of << "</Proc>" << std::endl;
of.close();
}
Comm_.Barrier();
}
if (Comm_.MyPID() == 0)
{
std::ofstream of(FileName_.c_str(), std::ios::app);
of << "</Map>" << std::endl;
of.close();
}
}