92   Vec         Ylast;  member
661   Vec         Ylast;  in PreCheckFunction()  local
670   if (!precheck->Ylast) PetscCall(VecDuplicate(Y, &precheck->Ylast));  in PreCheckFunction()
671   Ylast = precheck->Ylast;  in PreCheckFunction()
674     PetscCall(VecCopy(Y, Ylast));  in PreCheckFunction()
679   PetscCall(VecDot(Y, Ylast, &dot));  in PreCheckFunction()
681   PetscCall(VecNorm(Ylast, NORM_2, &ylastnorm));  in PreCheckFunction()
688     PetscCall(VecAXPY(Ylast, -1.0, Y));  in PreCheckFunction()
689     PetscCall(VecNorm(Ylast, NORM_2, &ydiffnorm));  in PreCheckFunction()
691     PetscCall(VecCopy(Y, Ylast));  in PreCheckFunction()
695     PetscCall(VecCopy(Y, Ylast));  in PreCheckFunction()
706   PetscCall(VecDestroy(&(*precheck)->Ylast));  in PreCheckDestroy()