X-Git-Url: http://git.nguyen.vg/gitweb/?p=SXSI%2Flibbp.git;a=blobdiff_plain;f=bp-darray.h;h=e46834fa52b528c32b7743930c7996d2e98e0e69;hp=4224dbafce4287a3fa27031d8360822197b2fa96;hb=HEAD;hpb=9614bef67d59eaa2413e2b06e5587c6caec57840

diff --git a/bp-darray.h b/bp-darray.h
index 4224dba..e46834f 100644
--- a/bp-darray.h
+++ b/bp-darray.h
@@ -37,17 +37,22 @@ darray * bp_darray_construct(int n, pb *buf,int opt);
 void bp_darray_free(darray *da);
 
 int bp_darray_select(darray *da, int i,int f);
-static int bp_darray_rank(darray *da, int i)
+
+static inline int bp_darray_rank(darray *da, int i)
 {
   int r,j,i_rr, i_rrr;
+  int offset;
   pb *p;
+  byte *buff;
   i_rr = i >> logRR;
   i_rrr = i >> logRRR;
   r = da->rl[i>>logR] + da->rm[i_rr];
 
   j = (i_rrr) & (RR/RRR-1);
+  offset = i_rr << (logRR-logRRR);
+  buff = &(da->rs[offset-1]);
   while (j > 0) {
-    r += da->rs[((i_rr)<<(logRR-logRRR))+j-1];
+    r += buff[j];
     j--;
   }