13ea6fe3dSLisandro Dalcin #include <petscviewer.h> 23ea6fe3dSLisandro Dalcin #include <petsc/private/matimpl.h> 33ea6fe3dSLisandro Dalcin 43ea6fe3dSLisandro Dalcin PetscErrorCode MatView_Binary_BlockSizes(Mat mat,PetscViewer viewer) 53ea6fe3dSLisandro Dalcin { 63ea6fe3dSLisandro Dalcin FILE *info; 73ea6fe3dSLisandro Dalcin PetscMPIInt rank; 83ea6fe3dSLisandro Dalcin PetscInt rbs,cbs; 93ea6fe3dSLisandro Dalcin 103ea6fe3dSLisandro Dalcin PetscFunctionBegin; 119566063dSJacob Faibussowitsch PetscCall(MatGetBlockSizes(mat,&rbs,&cbs)); 129566063dSJacob Faibussowitsch PetscCall(PetscViewerBinaryGetInfoPointer(viewer,&info)); 139566063dSJacob Faibussowitsch PetscCallMPI(MPI_Comm_rank(PetscObjectComm((PetscObject)viewer),&rank)); 14dd400576SPatrick Sanan if (rank == 0 && info) { 159566063dSJacob Faibussowitsch if (rbs != cbs) PetscCall(PetscFPrintf(PETSC_COMM_SELF,info,"-matload_block_size %" PetscInt_FMT ",%" PetscInt_FMT "\n",rbs,cbs)); 169566063dSJacob Faibussowitsch else PetscCall(PetscFPrintf(PETSC_COMM_SELF,info,"-matload_block_size %" PetscInt_FMT "\n",rbs)); 173ea6fe3dSLisandro Dalcin } 183ea6fe3dSLisandro Dalcin PetscFunctionReturn(0); 193ea6fe3dSLisandro Dalcin } 203ea6fe3dSLisandro Dalcin 213ea6fe3dSLisandro Dalcin PetscErrorCode MatLoad_Binary_BlockSizes(Mat mat,PetscViewer viewer) 223ea6fe3dSLisandro Dalcin { 233ea6fe3dSLisandro Dalcin PetscInt rbs,cbs,bs[2],n = 2; 243ea6fe3dSLisandro Dalcin PetscBool set; 253ea6fe3dSLisandro Dalcin 263ea6fe3dSLisandro Dalcin PetscFunctionBegin; 273ea6fe3dSLisandro Dalcin /* get current block sizes */ 289566063dSJacob Faibussowitsch PetscCall(MatGetBlockSizes(mat,&rbs,&cbs)); 293ea6fe3dSLisandro Dalcin bs[0] = rbs; bs[1] = cbs; 303ea6fe3dSLisandro Dalcin /* get block sizes from the options database */ 31*d0609cedSBarry Smith PetscOptionsBegin(PetscObjectComm((PetscObject)viewer),NULL,"Options for loading matrix block size","Mat"); 329566063dSJacob Faibussowitsch PetscCall(PetscOptionsIntArray("-matload_block_size","Set the block size used to store the matrix","MatLoad",bs,&n,&set)); 33*d0609cedSBarry Smith PetscOptionsEnd(); 343ea6fe3dSLisandro Dalcin if (!set) PetscFunctionReturn(0); 353ea6fe3dSLisandro Dalcin if (n == 1) bs[1] = bs[0]; /* to support -matload_block_size <bs> */ 363ea6fe3dSLisandro Dalcin /* set matrix block sizes */ 373ea6fe3dSLisandro Dalcin if (bs[0] > 0) rbs = bs[0]; 383ea6fe3dSLisandro Dalcin if (bs[1] > 0) cbs = bs[1]; 399566063dSJacob Faibussowitsch PetscCall(MatSetBlockSizes(mat,rbs,cbs)); 403ea6fe3dSLisandro Dalcin PetscFunctionReturn(0); 413ea6fe3dSLisandro Dalcin } 42