97   PetscCall(VecSet(tao->stepdirection, 0.0));  in TaoBNKInitialize()
240           PetscCall(VecCopy(tao->solution, tao->stepdirection));  in TaoBNKInitialize()
241           PetscCall(VecAXPY(tao->stepdirection, -1.0, bnk->Xold));  in TaoBNKInitialize()
411     PetscCall(VecSet(tao->stepdirection, 0.0));  in TaoBNKComputeStep()
412     PetscCall(TaoBNKBoundStep(tao, bnk->as_type, tao->stepdirection));  in TaoBNKComputeStep()
429   PetscCall(VecSet(tao->stepdirection, 0.0));  in TaoBNKComputeStep()
439     PetscCall(VecGetSubVector(tao->stepdirection, bnk->inactive_idx, &bnk->X_inactive));  in TaoBNKComputeStep()
442     bnk->X_inactive = tao->stepdirection;  in TaoBNKComputeStep()
484     PetscCall(VecRestoreSubVector(tao->stepdirection, bnk->inactive_idx, &bnk->X_inactive));  in TaoBNKComputeStep()
487   PetscCall(VecScale(tao->stepdirection, -1.0));  in TaoBNKComputeStep()
488   PetscCall(TaoBNKBoundStep(tao, bnk->as_type, tao->stepdirection));  in TaoBNKComputeStep()
530     PetscCall(VecGetSubVector(tao->stepdirection, bnk->inactive_idx, &bnk->X_inactive));  in TaoBNKRecomputePred()
534     bnk->X_inactive    = tao->stepdirection;  in TaoBNKRecomputePred()
544     PetscCall(VecRestoreSubVector(tao->stepdirection, bnk->inactive_idx, &bnk->X_inactive));  in TaoBNKRecomputePred()
566     PetscCall(VecDot(tao->stepdirection, tao->gradient, &gdx));  in TaoBNKSafeguardStep()
588         PetscCall(VecCopy(tao->gradient, tao->stepdirection));  in TaoBNKSafeguardStep()
592         PetscCall(MatSolve(bnk->M, bnk->unprojected_gradient, tao->stepdirection));  in TaoBNKSafeguardStep()
597         PetscCall(VecDot(tao->gradient, tao->stepdirection, &gdx));  in TaoBNKSafeguardStep()
607           PetscCall(MatSolve(bnk->M, bnk->unprojected_gradient, tao->stepdirection));  in TaoBNKSafeguardStep()
621       PetscCall(VecScale(tao->stepdirection, -1.0));  in TaoBNKSafeguardStep()
622       PetscCall(TaoBNKBoundStep(tao, bnk->as_type, tao->stepdirection));  in TaoBNKSafeguardStep()
660     PetscCall(VecDot(tao->stepdirection, tao->gradient, &gdx));  in TaoBNKSafeguardStep()
666       PetscCall(MatSolve(bnk->M, tao->gradient, tao->stepdirection));  in TaoBNKSafeguardStep()
667       PetscCall(VecScale(tao->stepdirection, -1.0));  in TaoBNKSafeguardStep()
668       PetscCall(TaoBNKBoundStep(tao, bnk->as_type, tao->stepdirection));  in TaoBNKSafeguardStep()
699 …->linesearch, tao->solution, &bnk->f, bnk->unprojected_gradient, tao->stepdirection, steplen, &ls_…  in TaoBNKPerformLineSearch()
730         PetscCall(VecCopy(bnk->unprojected_gradient, tao->stepdirection));  in TaoBNKPerformLineSearch()
734         PetscCall(MatSolve(bnk->M, bnk->unprojected_gradient, tao->stepdirection));  in TaoBNKPerformLineSearch()
737         PetscCall(VecDot(tao->gradient, tao->stepdirection, &gdx));  in TaoBNKPerformLineSearch()
744           PetscCall(MatSolve(bnk->M, bnk->unprojected_gradient, tao->stepdirection));  in TaoBNKPerformLineSearch()
766       PetscCall(MatSolve(bnk->M, bnk->unprojected_gradient, tao->stepdirection));  in TaoBNKPerformLineSearch()
773     PetscCall(VecScale(tao->stepdirection, -1.0));  in TaoBNKPerformLineSearch()
774     PetscCall(TaoBNKBoundStep(tao, bnk->as_type, tao->stepdirection));  in TaoBNKPerformLineSearch()
777 …->linesearch, tao->solution, &bnk->f, bnk->unprojected_gradient, tao->stepdirection, steplen, &ls_…  in TaoBNKPerformLineSearch()
898           PetscCall(VecDot(tao->gradient, tao->stepdirection, &gdx));  in TaoBNKUpdateTrustRadius()
986   if (!tao->stepdirection) PetscCall(VecDuplicate(tao->solution, &tao->stepdirection));  in TaoSetUp_BNK()
1011     PetscCall(PetscObjectReference((PetscObject)tao->stepdirection));  in TaoSetUp_BNK()
1012     PetscCall(VecDestroy(&bnk->bncg->stepdirection));  in TaoSetUp_BNK()
1013     bnk->bncg->stepdirection = tao->stepdirection;  in TaoSetUp_BNK()