55   Vec         *YdotRHS_fast;         /* Function evaluations by fast tableau for fast components  */  member
644 …Vec             *Y = mprk->Y, *YdotRHS = mprk->YdotRHS, *YdotRHS_fast = mprk->YdotRHS_fast, *YdotR…  in TSStep_MPRK()  local
677     for (j = 0; j < i; j++) PetscCall(VecGetSubVector(YdotRHS[j], mprk->is_fast, &YdotRHS_fast[j]));  in TSStep_MPRK()
679     PetscCall(VecMAXPY(Yfast, i, wf, mprk->YdotRHS_fast));  in TSStep_MPRK()
681 …for (j = 0; j < i; j++) PetscCall(VecRestoreSubVector(YdotRHS[j], mprk->is_fast, &YdotRHS_fast[j])…  in TSStep_MPRK()
781   PetscCall(VecMAXPY(Xfast, s, wf, mprk->YdotRHS_fast));  in TSEvaluateStep_MPRKSPLIT()
790 …Vec             *Y = mprk->Y, *YdotRHS_fast = mprk->YdotRHS_fast, *YdotRHS_slow = mprk->YdotRHS_sl…  in TSStep_MPRKSPLIT()  local
852     PetscCall(VecMAXPY(Yfast, i, wf, YdotRHS_fast));  in TSStep_MPRKSPLIT()
891     PetscCall(TSComputeRHSFunction(mprk->subts_fast, t + h * cf[i], Y[i], YdotRHS_fast[i]));  in TSStep_MPRKSPLIT()
914     PetscCall(VecDestroyVecs(tab->s, &mprk->YdotRHS_fast));  in TSMPRKTableauReset()
927     PetscCall(PetscFree(mprk->YdotRHS_fast));  in TSMPRKTableauReset()
967   Vec         YdotRHS_slow, YdotRHS_slowbuffer, YdotRHS_medium, YdotRHS_mediumbuffer, YdotRHS_fast;  in TSMPRKTableauSetUp()  local
998     PetscCall(VecGetSubVector(ts->vec_sol, mprk->is_fast, &YdotRHS_fast));  in TSMPRKTableauSetUp()
999     PetscCall(VecDuplicateVecs(YdotRHS_fast, tab->s, &mprk->YdotRHS_fast));  in TSMPRKTableauSetUp()
1000     PetscCall(VecRestoreSubVector(ts->vec_sol, mprk->is_fast, &YdotRHS_fast));  in TSMPRKTableauSetUp()
1009     PetscCall(PetscMalloc1(tab->s, &mprk->YdotRHS_fast));  in TSMPRKTableauSetUp()