7 PetscErrorCode MatConvert_Basic(Mat mat, MatType newtype, MatReuse reuse, Mat *newmat)  in MatConvert_Basic()  argument
16   if (!mat->ops->getrow) { /* missing get row, use matvecs */  in MatConvert_Basic()
17     PetscCall(MatConvert_Shell(mat, newtype, reuse, newmat));  in MatConvert_Basic()
20   PetscCall(PetscObjectTypeCompare((PetscObject)mat, MATSEQSBAIJ, &isSBAIJ));  in MatConvert_Basic()
21   if (!isSBAIJ) PetscCall(PetscObjectTypeCompare((PetscObject)mat, MATMPISBAIJ, &isSBAIJ));  in MatConvert_Basic()
22 …PetscCheck(!isSBAIJ, PetscObjectComm((PetscObject)mat), PETSC_ERR_SUP, "Cannot convert from SBAIJ …  in MatConvert_Basic()
28     PetscCall(MatGetSize(mat, &m, &n));  in MatConvert_Basic()
29     PetscCall(MatGetLocalSize(mat, &lm, &ln));  in MatConvert_Basic()
30     PetscCall(MatCreate(PetscObjectComm((PetscObject)mat), &M));  in MatConvert_Basic()
32     PetscCall(MatSetBlockSizesFromMats(M, mat, mat));  in MatConvert_Basic()
44   PetscCall(MatGetOwnershipRange(mat, &rstart, &rend));  in MatConvert_Basic()
46     PetscCall(MatGetRow(mat, i, &nz, &cwork, &vwork));  in MatConvert_Basic()
48     PetscCall(MatRestoreRow(mat, i, &nz, &cwork, &vwork));  in MatConvert_Basic()
55     PetscCall(MatHeaderReplace(mat, &M));  in MatConvert_Basic()