180   if (flg) tr->fallback = ftype;  in SNESNewtonTRSetFallbackType()
652 …PetscCall(KSPCGSetRadius(snes->ksp, neP->fallback == SNES_TR_FALLBACK_NEWTON && neP->norm == NORM_…  in SNESSolve_NEWTONTR()
674       SNESNewtonTRFallbackType fallback = ynorm > 0.0 ? neP->fallback : SNES_TR_FALLBACK_CAUCHY;  in SNESSolve_NEWTONTR()  local
676 …PetscCheck(neP->norm == NORM_2 || fallback != SNES_TR_FALLBACK_DOGLEG, PetscObjectComm((PetscObjec…  in SNESSolve_NEWTONTR()
677       switch (fallback) {  in SNESSolve_NEWTONTR()
685         if (fallback == SNES_TR_FALLBACK_CAUCHY || gTBg <= 0.0) {  in SNESSolve_NEWTONTR()
840   SNESNewtonTRFallbackType fallback;  in SNESSetFromOptions_NEWTONTR()  local
857   fallback = ctx->fallback;  in SNESSetFromOptions_NEWTONTR()
858 …onTRSetFallbackType", SNESNewtonTRFallbackTypes, (PetscEnum)fallback, (PetscEnum *)&fallback, &flg…  in SNESSetFromOptions_NEWTONTR()
859   if (flg) PetscCall(SNESNewtonTRSetFallbackType(snes, fallback));  in SNESSetFromOptions_NEWTONTR()
886 …Call(PetscViewerASCIIPrintf(viewer, "    fallback=%s\n", SNESNewtonTRFallbackTypes[tr->fallback]));  in SNESView_NEWTONTR()
1155   neP->fallback = SNES_TR_FALLBACK_NEWTON;  in SNESCreate_NEWTONTR()