156         PetscCall(VecMAXPY(Xfast, s, w, ark->YdotI_fast));  in TSEvaluateStep_ARKIMEX_FastSlowSplit()
176         PetscCall(VecMAXPY(Xfast, s, w, ark->YdotI_fast));  in TSEvaluateStep_ARKIMEX_FastSlowSplit()
191         PetscCall(VecMAXPY(Xfast, tab->s, w, ark->YdotI_fast));  in TSEvaluateStep_ARKIMEX_FastSlowSplit()
221 …fast = ark->YdotRHS_fast, *YdotRHS_slow = ark->YdotRHS_slow, *YdotI_fast = ark->YdotI_fast, Yfast,…  in TSStep_ARKIMEX_FastSlowSplit()  local
244       PetscCall(VecCopy(YdotI_fast[s - 1], Ydot0_fast));  in TSStep_ARKIMEX_FastSlowSplit()
249         PetscCall(VecCopy(YdotI_fast[i], ark->YdotI_prev[i]));  in TSStep_ARKIMEX_FastSlowSplit()
302           PetscCall(VecMAXPY(Yfast, i, w, YdotI_fast));  in TSStep_ARKIMEX_FastSlowSplit()
313           PetscCall(VecMAXPY(Z, i, w, YdotI_fast));  in TSStep_ARKIMEX_FastSlowSplit()
349             PetscCall(VecCopy(Ydot0_fast, YdotI_fast[0])); /* YdotI_fast = YdotI_fast(tn-1) */  in TSStep_ARKIMEX_FastSlowSplit()
352 …PetscCall(VecAXPBYPCZ(YdotI_fast[i], -ark->scoeff / h, ark->scoeff / h, 0, Z, Yfast)); /* YdotI = …  in TSStep_ARKIMEX_FastSlowSplit()
358 …(TSComputeIFunction(ark->subts_fast, ark->stage_time, Y[i], Ydot_fast, YdotI_fast[i], ark->imex));…  in TSStep_ARKIMEX_FastSlowSplit()
359             PetscCall(VecScale(YdotI_fast[i], -1.0));  in TSStep_ARKIMEX_FastSlowSplit()
362 …PetscCall(VecAXPBYPCZ(YdotI_fast[i], -ark->scoeff / h, ark->scoeff / h, 0, Z, Yfast)); /* YdotI = …  in TSStep_ARKIMEX_FastSlowSplit()
423   PetscCall(VecDestroyVecs(tab->s, &ark->YdotI_fast));  in TSSetUp_ARKIMEX_FastSlowSplit()
434     PetscCall(VecDuplicateVecs(Xfast, tab->s, &ark->YdotI_fast));  in TSSetUp_ARKIMEX_FastSlowSplit()
479     PetscCall(VecDestroyVecs(tab->s, &ark->YdotI_fast));  in TSReset_ARKIMEX_FastSlowSplit()