1128     t->additive = PETSC_TRUE;  in TSARKIMEXRegister()
1135   if (t->additive) {  in TSARKIMEXRegister()
1146   if (t->additive) {  in TSARKIMEXRegister()
1254         if (tab->additive && ark->imex) { /* Method is IMEX, complete the explicit formula */  in TSEvaluateStep_ARKIMEX()
1271       if (tab->additive) {  in TSEvaluateStep_ARKIMEX()
1282       if (tab->additive) {  in TSEvaluateStep_ARKIMEX()
1343 …PetscBool        hasE = PETSC_FALSE, dirk = (PetscBool)(!tab->additive), stageok, accept = PETSC_T…  in TSStep_ARKIMEX()
1350     if (tab->additive) PetscCall(VecDuplicateVecs(ts->vec_sol, tab->s, &ark->YdotRHS_prev));  in TSStep_ARKIMEX()
1364         if (tab->additive && hasE) PetscCall(VecCopy(YdotRHS[i], ark->YdotRHS_prev[i]));  in TSStep_ARKIMEX()
1444         if (tab->additive && hasE) {  in TSStep_ARKIMEX()
1456         if (tab->additive && hasE) {  in TSStep_ARKIMEX()
1703   if (tab->additive) {  in TSInterpolate_ARKIMEX()
1735   if (tab->additive) {  in TSExtrapolate_ARKIMEX()
2016   if (tab->additive) PetscCall(VecDuplicateVecs(ts->vec_sol, tab->s, &ark->YdotRHS));  in TSARKIMEXTableauSetUp()
2020     if (tab->additive) PetscCall(VecDuplicateVecs(ts->vec_sol, tab->s, &ark->YdotRHS_prev));  in TSARKIMEXTableauSetUp()
2079       if (!dirk && link->tab.additive) count++;  in TSSetFromOptions_ARKIMEX()
2080       if (dirk && !link->tab.additive) count++;  in TSSetFromOptions_ARKIMEX()
2084       if (!dirk && link->tab.additive) namelist[count++] = link->tab.name;  in TSSetFromOptions_ARKIMEX()
2085       if (dirk && !link->tab.additive) namelist[count++] = link->tab.name;  in TSSetFromOptions_ARKIMEX()
2428 …PetscCheck(!ark->tableau->additive, PetscObjectComm((PetscObject)ts), PETSC_ERR_ARG_WRONG, "Method…  in TSDIRKSetType_DIRK()