13ea6fe3dSLisandro Dalcin #include <petscviewer.h> 23ea6fe3dSLisandro Dalcin #include <petsc/private/matimpl.h> 33ea6fe3dSLisandro Dalcin 4*d71ae5a4SJacob Faibussowitsch PetscErrorCode MatView_Binary_BlockSizes(Mat mat, PetscViewer viewer) 5*d71ae5a4SJacob Faibussowitsch { 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 21*d71ae5a4SJacob Faibussowitsch PetscErrorCode MatLoad_Binary_BlockSizes(Mat mat, PetscViewer viewer) 22*d71ae5a4SJacob Faibussowitsch { 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)); 299371c9d4SSatish Balay bs[0] = rbs; 309371c9d4SSatish Balay bs[1] = cbs; 313ea6fe3dSLisandro Dalcin /* get block sizes from the options database */ 32d0609cedSBarry Smith PetscOptionsBegin(PetscObjectComm((PetscObject)viewer), NULL, "Options for loading matrix block size", "Mat"); 339566063dSJacob Faibussowitsch PetscCall(PetscOptionsIntArray("-matload_block_size", "Set the block size used to store the matrix", "MatLoad", bs, &n, &set)); 34d0609cedSBarry Smith PetscOptionsEnd(); 353ea6fe3dSLisandro Dalcin if (!set) PetscFunctionReturn(0); 363ea6fe3dSLisandro Dalcin if (n == 1) bs[1] = bs[0]; /* to support -matload_block_size <bs> */ 373ea6fe3dSLisandro Dalcin /* set matrix block sizes */ 383ea6fe3dSLisandro Dalcin if (bs[0] > 0) rbs = bs[0]; 393ea6fe3dSLisandro Dalcin if (bs[1] > 0) cbs = bs[1]; 409566063dSJacob Faibussowitsch PetscCall(MatSetBlockSizes(mat, rbs, cbs)); 413ea6fe3dSLisandro Dalcin PetscFunctionReturn(0); 423ea6fe3dSLisandro Dalcin } 43