PetscErrorCode QPChainAdd(QP qp, QPDuplicateOption opt, QP *newchild)Collective on QP
| qp | - a QP that is member of the chain to which we want to append | |
| opt | - either QP_DUPLICATE_DO_NOT_COPY or QP_DUPLICATE_COPY_POINTERS | |
| newchild | - a pointer to QP that should be appended |