71   for (k = 0; k < rk->dtratio; k++) {  in TSStepRefine_RK_MultirateNonsplit()
73 …PetscCall(TSInterpolate_RK_MultirateNonsplit(ts, t + k * h / rk->dtratio + h / rk->dtratio * c[i],…  in TSStepRefine_RK_MultirateNonsplit()
74       for (j = 0; j < i; j++) w[j] = h / rk->dtratio * A[i * s + j];  in TSStepRefine_RK_MultirateNonsplit()
83 …PetscCall(TSComputeRHSFunction(ts, t + k * h / rk->dtratio + h / rk->dtratio * c[i], Y[i], YdotRHS…  in TSStepRefine_RK_MultirateNonsplit()
96       ts->ptime         = t + k * h / rk->dtratio;  in TSStepRefine_RK_MultirateNonsplit()
97       ts->time_step     = h / rk->dtratio;  in TSStepRefine_RK_MultirateNonsplit()
129   PetscInt         i, j, dtratio = rk->dtratio;  in TSStep_RK_MultirateNonsplit()  local
149   rk->dtratio = 1;  in TSStep_RK_MultirateNonsplit()
151   rk->dtratio = dtratio;  in TSStep_RK_MultirateNonsplit()
297     for (j = 0; j < s; j++) w[j] = h / rk->dtratio * tab->b[j];  in TSEvaluateStep_RK_MultirateSplit()
321   for (k = 0; k < rk->dtratio; k++) {  in TSStepRefine_RK_MultirateSplit()
327 …ll(TSInterpolate_RK_MultirateSplit(rk->ts_root, t + k * h / rk->dtratio + h / rk->dtratio * c[i], …  in TSStepRefine_RK_MultirateSplit()
331 …TSInterpolate_RK_MultirateSplit(currentlevelts, t + k * h / rk->dtratio + h / rk->dtratio * c[i], …  in TSStepRefine_RK_MultirateSplit()
333       for (j = 0; j < i; j++) w[j] = h / rk->dtratio * A[i * s + j];  in TSStepRefine_RK_MultirateSplit()
334       subrk_fast->stage_time = t + h / rk->dtratio * c[i];  in TSStepRefine_RK_MultirateSplit()
343 …PetscCall(TSComputeRHSFunction(subts_fast, t + k * h * rk->dtratio + h / rk->dtratio * c[i], Y[i],…  in TSStepRefine_RK_MultirateSplit()
352       subts_fast->ptime     = t + k * h / rk->dtratio;  in TSStepRefine_RK_MultirateSplit()
353       subts_fast->time_step = h / rk->dtratio;  in TSStepRefine_RK_MultirateSplit()
459     nextlevelrk->dtratio = rk->dtratio;  in TSSetUp_RK_MultirateSplit()
486     rk->dtratio = 2;  in TSRKSetMultirate_RK()
492     rk->dtratio = 0;  in TSRKSetMultirate_RK()