fix doxygen warning

[libfirm] / include / libfirm / adt / unionfind.h

diff --git a/include/libfirm/adt/unionfind.h b/include/libfirm/adt/unionfind.h
index 13c70ca..b71d016 100644 (file)
--- a/include/libfirm/adt/unionfind.h
+++ b/include/libfirm/adt/unionfind.h
@@ -21,12 +21,6 @@
  * @file
  * @brief      Union-Find datastructure
  * @author     Matthias Braun
- * @version    $Id$
- * @brief
- *  Union-Find datastructure
- *
- *  This implementation uses weighted sets and path compression which results
- *  in (nearly) O(n) complexity for n find and union operations
  */
 #ifndef FIRM_ADT_UNIONFIND_H
 #define FIRM_ADT_UNIONFIND_H
@@ -35,6 +29,16 @@
 
 #include "../begin.h"
 
+/**
+ * @ingroup adt
+ * @defgroup unionfind Union-Find
+ *  Union-Find datastructure
+ *
+ *  This implementation uses weighted sets and path compression which results
+ *  in (nearly) O(n) complexity for n find and union operations
+ * @{
+ */
+
 /**
  * Call this to initialize an array of @p count elements to be used by the
  * union find functions.
@@ -113,6 +117,8 @@ static inline int uf_find(int* data, int e)
        return repr;
 }
 
+/** @} */
+
 #include "../end.h"
 
 #endif