CEM_PST_DOWN
smc->y[PA].cem_pst = CEM_PST_DOWN ;
smc->y[PB].cem_pst = CEM_PST_DOWN ;
smc->y[np].cem_pst = CEM_PST_DOWN ;
smc->y[i].cem_pst = CEM_PST_DOWN;
if ( smc->y[i].cem_pst == CEM_PST_DOWN && smc->y[i].wc_flag ) {