More fixes

git-svn-id: svn+ssh://idea.nguyen.vg/svn/sxsi/trunk/XMLTree@221 3cdefd35-fc62-479d-8e8d-bae585ffb9ca

diff --git a/libcds/src/static_sequence/static_sequence_wvtree.cpp b/libcds/src/static_sequence/static_sequence_wvtree.cpp
index aa6a885..d5713ce 100644 (file)
--- a/libcds/src/static_sequence/static_sequence_wvtree.cpp
+++ b/libcds/src/static_sequence/static_sequence_wvtree.cpp
@@ -62,7 +62,9 @@ uint static_sequence_wvtree::count(uint s) {
 }
 
 uint static_sequence_wvtree::select(uint symbol, uint pos) {
-       return root->select(am->map(symbol), pos, 0, c)-1;
+       uint ret = root->select(am->map(symbol), pos, 0, c);
+       if(ret==((uint)-1)) return (uint)-1;
+       return ret-1;
 }
 
 uint static_sequence_wvtree::access(uint pos) {