+static void r_pos (RSFD rfd, double *current, double *total)
+{
+ struct rset_bool_rfd *p=(struct rset_bool_rfd *)rfd->priv;
+ double lcur,ltot;
+ double rcur,rtot;
+ double r;
+ ltot=-1; rtot=-1;
+ rset_pos(p->rfd_l, &lcur, <ot);
+ rset_pos(p->rfd_r, &rcur, &rtot);
+ if ( (rtot<0) && (ltot<0)) { /*no position */
+ *current=rcur; /* return same as you got */
+ *total=rtot; /* probably -1 for not available */
+ }
+ if ( rtot<0) { rtot=0; rcur=0;} /* if only one useful, use it */
+ if ( ltot<0) { ltot=0; lcur=0;}
+ if ( rtot+ltot < 1 ) { /* empty rset */
+ *current=0;
+ *total=0;
+ return;
+ }
+ r=1.0*(lcur+rcur)/(ltot+rtot); /* weighed average of l and r */
+ *current=(double) (p->hits);
+ *total=*current/r ;
+#if RSET_DEBUG
+ yaz_log(LOG_DEBUG,"bool_pos: (%s/%s) %0.1f/%0.1f= %0.4f ",
+ info->rset_l->control->desc, info->rset_r->control->desc,
+ *current, *total, r);
+#endif
+}
+
+static void r_get_terms(RSET ct, TERMID *terms, int maxterms, int *curterm)
+{
+ struct rset_bool_info *info = (struct rset_bool_info *) ct->priv;
+ rset_getterms(info->rset_l, terms, maxterms, curterm);
+ rset_getterms(info->rset_r, terms, maxterms, curterm);
+}
+