fixes

[SXSI/XMLTree.git] / libcds / src / static_bitsequence / static_bitsequence_sdarray.cpp

diff --git a/libcds/src/static_bitsequence/static_bitsequence_sdarray.cpp b/libcds/src/static_bitsequence/static_bitsequence_sdarray.cpp
index 78e52ed..0b0dab1 100644 (file)
--- a/libcds/src/static_bitsequence/static_bitsequence_sdarray.cpp
+++ b/libcds/src/static_bitsequence/static_bitsequence_sdarray.cpp
@@ -34,6 +34,7 @@ uint static_bitsequence_sdarray::rank1(uint i) {
 }
 
 uint static_bitsequence_sdarray::select1(uint i) {
+       if(i>ones || i==0) return -1;
        if(ones)
                return selects3_select(&sd,i);
        else