[petsc-dev] Petsc functions must ALWAYS return error codes

[Barry Smith]

 There are a bunch of these functions that don't return error codes and need to be fixed.

   Barry

PetscInt LLNGetID( const PetscCDIntNd *a_this );
PetscErrorCode PetscCDAppendID( PetscCoarsenData *ail, PetscInt a_idx, PetscInt a_gid );
PetscErrorCode PetscCDAppendRemove( PetscCoarsenData *ail, PetscInt a_destidx, PetscInt a_srcidx );
PetscErrorCode PetscCDAppendNode( PetscCoarsenData *ail, PetscInt a_idx,  PetscCDIntNd *a_n );
PetscErrorCode PetscCDRemoveNextNode( PetscCoarsenData *ail, PetscInt a_idx, PetscCDIntNd *a_last );
PetscErrorCode PetscCDRemoveAllAt( PetscCoarsenData *ail, PetscInt a_idx );
PetscInt PetscCDSizeAt( const PetscCoarsenData *ail, PetscInt a_idx );
PetscErrorCode PetscCDSetChuckSize( PetscCoarsenData *ail, PetscInt a_sz );
PetscErrorCode PetscCDPrint( const PetscCoarsenData *ail, MPI_Comm comm  );
PetscErrorCode PetscCDGetMIS( PetscCoarsenData *ail, IS * );
PetscErrorCode PetscCDGetMat( const PetscCoarsenData *ail, Mat * );
PetscErrorCode PetscCDSetMat( PetscCoarsenData *ail, Mat );
typedef PetscCDIntNd* PetscCDPos;
const PetscCDPos PetscCDGetHeadPos( const PetscCoarsenData *ail, PetscInt idx );
const PetscCDPos PetscCDGetNextPos( const PetscCoarsenData *ail, PetscInt idx, PetscCDPos cpos);