RF_DagParam_t
RF_DagParam_t *params; /* array of parameters required by *funcPtr */
RF_DagParam_t *big_dag_params; /* used when the cache below isn't big enough */
RF_DagParam_t dag_params[RF_DAG_PARAMCACHESIZE]; /* cache for performance */
node->params = (RF_DagParam_t *) node->dag_params;
} else if (nParam <= (RF_DAGPCACHE_SIZE / sizeof(RF_DagParam_t))) {
#define RF_DAGPCACHE_SIZE ((2*RF_MAXCOL+1*2+1*2*2+3) *(RF_MAX(sizeof(RF_DagParam_t), sizeof(RF_DagNode_t *))))