27 PetscErrorCode MatGetRootType_Private(Mat mat, MatType *rootType)  in MatGetRootType_Private()  argument
34   PetscValidHeaderSpecific(mat, MAT_CLASSID, 1);  in MatGetRootType_Private()
35   PetscCall(MatGetType(mat, &inType));  in MatGetRootType_Private()
64 PetscErrorCode MatGetMPIMatType_Private(Mat mat, MatType *MPIType)  in MatGetMPIMatType_Private()  argument
71   PetscValidHeaderSpecific(mat, MAT_CLASSID, 1);  in MatGetMPIMatType_Private()
72   PetscCall(MatGetType(mat, &inType));  in MatGetMPIMatType_Private()
107 PetscErrorCode MatSetType(Mat mat, MatType matype)  in MatSetType()  argument
114   PetscValidHeaderSpecific(mat, MAT_CLASSID, 1);  in MatSetType()
117   PetscCall(PetscObjectTypeCompare((PetscObject)mat, matype, &sametype));  in MatSetType()
124 …if (((PetscObject)mat)->type_name) PetscCall(PetscStrbeginswith(((PetscObject)mat)->type_name, "mp…  in MatSetType()
126 …mat), PETSC_ERR_SUP, "Changing an MPI matrix (%s) to a sequential one (%s) is not allowed. Please …  in MatSetType()
132       PetscCallMPI(MPI_Comm_size(PetscObjectComm((PetscObject)mat), &size));  in MatSetType()
140   PetscCall(PetscObjectTypeCompare((PetscObject)mat, matype, &sametype));  in MatSetType()
144 …PetscCheck(r, PetscObjectComm((PetscObject)mat), PETSC_ERR_ARG_UNKNOWN_TYPE, "Unknown Mat type giv…  in MatSetType()
146 …if (mat->assembled && ((PetscObject)mat)->type_name) PetscCall(PetscStrbeginswith(matype, ((PetscO…  in MatSetType()
148     PetscCall(MatConvert(mat, matype, MAT_INPLACE_MATRIX, &mat));  in MatSetType()
151   if (names && mat->assembled) {  in MatSetType()
154       PetscCall(MatConvert(mat, MATSELL, MAT_INPLACE_MATRIX, &mat)); /* convert to matsell first */  in MatSetType()
155       PetscCall(MatConvert(mat, matype, MAT_INPLACE_MATRIX, &mat));  in MatSetType()
159   PetscTryTypeMethod(mat, destroy);  in MatSetType()
160   mat->ops->destroy = NULL;  in MatSetType()
163   PetscCall(MatNullSpaceDestroy(&mat->nullsp));  in MatSetType()
164   PetscCall(MatNullSpaceDestroy(&mat->nearnullsp));  in MatSetType()
166   PetscCall(PetscMemzero(mat->ops, sizeof(struct _MatOps)));  in MatSetType()
167   mat->preallocated  = PETSC_FALSE;  in MatSetType()
168   mat->assembled     = PETSC_FALSE;  in MatSetType()
169   mat->was_assembled = PETSC_FALSE;  in MatSetType()
176   mat->nonzerostate++;  in MatSetType()
177   PetscCall(PetscObjectStateIncrease((PetscObject)mat));  in MatSetType()
180   PetscCall((*r)(mat));  in MatSetType()
199 PetscErrorCode MatGetType(Mat mat, MatType *type)  in MatGetType()  argument
202   PetscValidHeaderSpecific(mat, MAT_CLASSID, 1);  in MatGetType()
204   *type = ((PetscObject)mat)->type_name;  in MatGetType()
223 PetscErrorCode MatGetVecType(Mat mat, VecType *vtype)  in MatGetVecType()  argument
226   PetscValidHeaderSpecific(mat, MAT_CLASSID, 1);  in MatGetVecType()
228   *vtype = mat->defaultvectype;  in MatGetVecType()
248 PetscErrorCode MatSetVecType(Mat mat, VecType vtype)  in MatSetVecType()  argument
251   PetscValidHeaderSpecific(mat, MAT_CLASSID, 1);  in MatSetVecType()
252   PetscCall(PetscFree(mat->defaultvectype));  in MatSetVecType()
253   PetscCall(PetscStrallocpy(vtype, &mat->defaultvectype));  in MatSetVecType()