9   Mat_CompositeLink next, prev;  member
111   while (tail->prev) {  in MatMultTranspose_Composite_Multiplicative()
112     if (!tail->prev->work) { /* should reuse previous work if the same size */  in MatMultTranspose_Composite_Multiplicative()
113       PetscCall(MatCreateVecs(tail->mat, NULL, &tail->prev->work));  in MatMultTranspose_Composite_Multiplicative()
115     out = tail->prev->work;  in MatMultTranspose_Composite_Multiplicative()
118     tail = tail->prev;  in MatMultTranspose_Composite_Multiplicative()
420     ilink->prev = next;  in MatCompositeAddMat_Composite()
655   Mat_CompositeLink next, prev;  in MatCompositeMerge_Composite()  local
664   prev = shell->tail;  in MatCompositeMerge_Composite()
675       PetscCall(MatDuplicate(prev->mat, MAT_COPY_VALUES, &tmat));  in MatCompositeMerge_Composite()
677 …while ((prev = prev->prev)) PetscCall(MatAXPY(tmat, shell->scalings ? shell->scalings[i--] : 1.0, …  in MatCompositeMerge_Composite()
688       PetscCall(MatDuplicate(prev->mat, MAT_COPY_VALUES, &tmat));  in MatCompositeMerge_Composite()
689       while ((prev = prev->prev)) {  in MatCompositeMerge_Composite()
690         PetscCall(MatMatMult(tmat, prev->mat, MAT_INITIAL_MATRIX, PETSC_DETERMINE, &newmat));  in MatCompositeMerge_Composite()