684       Vec          Ymedium, Ymediumbuffer;  in TSStep_MPRK()  local
691         PetscCall(VecGetSubVector(Y[i], mprk->is_medium, &Ymedium));  in TSStep_MPRK()
692         PetscCall(VecMAXPY(Ymedium, i, wmb, mprk->YdotRHS_medium));  in TSStep_MPRK()
693         PetscCall(VecRestoreSubVector(Y[i], mprk->is_medium, &Ymedium));  in TSStep_MPRK()
857       Vec              Ymedium, Ymediumbuffer;  in TSStep_MPRKSPLIT()  local
869           PetscCall(VecGetSubVector(Y[i], mprk->is_medium, &Ymedium));  in TSStep_MPRKSPLIT()
870           PetscCall(VecISCopy(Y[tab->rmb[i] - 1], mprk->is_medium, SCATTER_REVERSE, Ymedium));  in TSStep_MPRKSPLIT()
871           PetscCall(VecRestoreSubVector(Y[i], mprk->is_medium, &Ymedium));  in TSStep_MPRKSPLIT()
878           PetscCall(VecGetSubVector(Y[i], mprk->is_medium, &Ymedium));  in TSStep_MPRKSPLIT()
879           PetscCall(VecMAXPY(Ymedium, computedstages, wm, YdotRHS_medium));  in TSStep_MPRKSPLIT()
880           PetscCall(VecRestoreSubVector(Y[i], mprk->is_medium, &Ymedium));  in TSStep_MPRKSPLIT()