752     else if (rho > neP->eta3 && on_boundary) delta *= neP->t2; /* expand the region */  in SNESSolve_NEWTONTR()
851 …PetscOptionsReal("-snes_tr_t2", "t2", "SNESNewtonTRSetUpdateParameters", ctx->t2, &ctx->t2, NULL));  in SNESSetFromOptions_NEWTONTR()
883     PetscCall(PetscViewerASCIIPrintf(viewer, "    t1=%g, t2=%g\n", (double)tr->t1, (double)tr->t2));  in SNESView_NEWTONTR()
1021 …teParameters(SNES snes, PetscReal eta1, PetscReal eta2, PetscReal eta3, PetscReal t1, PetscReal t2)  in SNESNewtonTRSetUpdateParameters()  argument
1031   PetscValidLogicalCollectiveReal(snes, t2, 6);  in SNESNewtonTRSetUpdateParameters()
1040     if (t2 == PETSC_DETERMINE) t2 = tr->default_t2;  in SNESNewtonTRSetUpdateParameters()
1045     if (t2 != PETSC_CURRENT) tr->t2 = t2;  in SNESNewtonTRSetUpdateParameters()
1069 …ameters(SNES snes, PetscReal *eta1, PetscReal *eta2, PetscReal *eta3, PetscReal *t1, PetscReal *t2)  in SNESNewtonTRGetUpdateParameters()  argument
1080   if (t2) PetscAssertPointer(t2, 6);  in SNESNewtonTRGetUpdateParameters()
1088   if (t2) *t2 = tr->t2;  in SNESNewtonTRGetUpdateParameters()
1149   PetscObjectParameterSetDefault(neP, t2, 2.0);  in SNESCreate_NEWTONTR()