X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=libcds%2Fsrc%2Fstatic_sequence%2Fwt_node_leaf.h;h=39f02d149b5212a0867519af0f53ac2c13a776ec;hb=a01a06472c8dcf1c58a8d87e6b93eb709b921d0e;hp=a64c2a2612277844c936079c03c36ac7582ae005;hpb=0bf9688e2615a9fc07860c5762240e4ce26ee5d3;p=SXSI%2FXMLTree.git

diff --git a/libcds/src/static_sequence/wt_node_leaf.h b/libcds/src/static_sequence/wt_node_leaf.h
index a64c2a2..39f02d1 100644
--- a/libcds/src/static_sequence/wt_node_leaf.h
+++ b/libcds/src/static_sequence/wt_node_leaf.h
@@ -1,3 +1,23 @@
+/* wt_node_leaf.h
+ * Copyright (C) 2008, Francisco Claude, all rights reserved.
+ *
+ * wt_node_leaf
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
 
 #ifndef wt_node_leaf_h
 #define wt_node_leaf_h
@@ -7,11 +27,17 @@
 #include <wt_coder.h>
 #include <cassert>
 
+/** Class for representing leaves of the wavelet tree. 
+ * 
+ *  @author Francisco Claude
+ */
 class wt_node_leaf: public wt_node {
 	public:
 		wt_node_leaf(uint symbol, uint count);
 		virtual ~wt_node_leaf();
 		virtual uint rank(uint symbol, uint pos, uint l, wt_coder * c);
+		virtual uint rankLessThan(uint &symbol, uint pos, uint level, wt_coder * c);
+		virtual uint rankLessThan(uint &symbol, uint pos);
 		virtual uint select(uint symbol, uint pos, uint l, wt_coder * c);
 		virtual uint access(uint pos);
 		virtual uint size();
@@ -25,4 +51,3 @@ class wt_node_leaf: public wt_node {
 };
 
 #endif
-