本文整理汇总了C++中Epetra_BlockMap::IndexBase64方法的典型用法代码示例。如果您正苦于以下问题：C++ Epetra_BlockMap::IndexBase64方法的具体用法？C++ Epetra_BlockMap::IndexBase64怎么用？C++ Epetra_BlockMap::IndexBase64使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Epetra_BlockMap的用法示例。
在下文中一共展示了Epetra_BlockMap::IndexBase64方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: BlockMapToMatrixMarketFile
int BlockMapToMatrixMarketFile( const char *filename, const Epetra_BlockMap & map,
const char * mapName,
const char *mapDescription,
bool writeHeader) {
long long M = map.NumGlobalElements64();
int N = 1;
if (map.MaxElementSize()>1) N = 2; // Non-trivial block map, store element sizes in second column
FILE * handle = 0;
if (map.Comm().MyPID()==0) { // Only PE 0 does this section
handle = fopen(filename,"w");
if (!handle) return(-1);
MM_typecode matcode;
mm_initialize_typecode(&matcode);
mm_set_matrix(&matcode);
mm_set_array(&matcode);
mm_set_integer(&matcode);
if (writeHeader==true) { // Only write header if requested (true by default)
if (mm_write_banner(handle, matcode)) return(-1);
if (mapName!=0) fprintf(handle, "%% \n%% %s\n", mapName);
if (mapDescription!=0) fprintf(handle, "%% %s\n%% \n", mapDescription);
}
}
if (writeHeader==true) { // Only write header if requested (true by default)
// Make an Epetra_IntVector of length numProc such that all elements are on PE 0 and
// the ith element is NumMyElements from the ith PE
Epetra_Map map1(-1, 1, 0, map.Comm()); // map with one element on each processor
int length = 0;
if (map.Comm().MyPID()==0) length = map.Comm().NumProc();
Epetra_Map map2(-1, length, 0, map.Comm());
Epetra_Import lengthImporter(map2, map1);
Epetra_IntVector v1(map1);
Epetra_IntVector v2(map2);
v1[0] = map.NumMyElements();
if (v2.Import(v1, lengthImporter, Insert)) return(-1);
if (map.Comm().MyPID()==0) {
fprintf(handle, "%s", "%Format Version:\n");
//int version = 1; // We may change the format scheme at a later date.
fprintf(handle, "%% %d \n", map.Comm().NumProc());
fprintf(handle, "%s", "%NumProc: Number of processors:\n");
fprintf(handle, "%% %d \n", map.Comm().NumProc());
fprintf(handle, "%s", "%MaxElementSize: Maximum element size:\n");
fprintf(handle, "%% %d \n", map.MaxElementSize());
fprintf(handle, "%s", "%MinElementSize: Minimum element size:\n");
fprintf(handle, "%% %d \n", map.MinElementSize());
fprintf(handle, "%s", "%IndexBase: Index base of map:\n");
fprintf(handle, "%% %lld \n", map.IndexBase64());
fprintf(handle, "%s", "%NumGlobalElements: Total number of GIDs in map:\n");
fprintf(handle, "%% %lld \n", map.NumGlobalElements64());
fprintf(handle, "%s", "%NumMyElements: BlockMap lengths per processor:\n");
for ( int i=0; i< v2.MyLength(); i++) fprintf(handle, "%% %d\n", v2[i]);
if (mm_write_mtx_array_size(handle, M, N)) return(-1);
}
}
if (BlockMapToHandle(handle, map)) return(-1); // Everybody calls this routine
if (map.Comm().MyPID()==0) // Only PE 0 opened a file
if (fclose(handle)) return(-1);
return(0);
}