X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=libcds%2Fsrc%2Fstatic_sequence%2Fstatic_sequence_wvtree.cpp;h=baabf02ffb699af75bd645acdf28a22fe9945d07;hb=a2625dad3e0b32cd0a8ceee350aef39e8412e5b0;hp=aa6a885572fcf9e68a7003d311c5fe4e48f6bffa;hpb=4bd816265ae88b4e1631634260384baa559f8967;p=SXSI%2FXMLTree.git

diff --git a/libcds/src/static_sequence/static_sequence_wvtree.cpp b/libcds/src/static_sequence/static_sequence_wvtree.cpp
index aa6a885..baabf02 100644
--- a/libcds/src/static_sequence/static_sequence_wvtree.cpp
+++ b/libcds/src/static_sequence/static_sequence_wvtree.cpp
@@ -40,9 +40,10 @@ static_sequence_wvtree::static_sequence_wvtree(uchar * symbols, uint n, wt_coder
 	am->use();
   this->c=c;
 	c->use();
-	root = new wt_node_internal(symbols, n, 0, c, bmb);
-  for(uint i=0;i<n;i++) 
-    symbols[i] = (uchar)am->unmap((uint)symbols[i]);  
+	root = new wt_node_internal(symbols, n, 0, c, bmb); 
+        symbols = 0; // Already deleted!
+//  for(uint i=0;i<n;i++) 
+//    symbols[i] = (uchar)am->unmap((uint)symbols[i]);  
 }
 
 static_sequence_wvtree::static_sequence_wvtree() {}
@@ -57,12 +58,23 @@ uint static_sequence_wvtree::rank(uint symbol, uint pos) {
 	return root->rank(am->map(symbol), pos, 0, c);
 }
 
+uint static_sequence_wvtree::rankLessThan(uint &symbol, uint pos) {
+    uint s = am->map(symbol);
+    std::cout << "lessthan..." << std::endl;
+    uint r = root->rankLessThan(s, pos, 0, c);
+    symbol = am->unmap(s);
+    return r;
+}
+
+
 uint static_sequence_wvtree::count(uint s) {
   return root->rank(am->map(s), len-1, 0, c);
 }
 
 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) {