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+/*
+Copyright (C) 2004-2007 Christian Wieninger
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+
+The author can be reached at cwieninger@gmx.de
+
+The project's page is at http://winni.vdr-developer.org/epgsearch
+*/
+
+//---------------------------------------------------
+// Levenshtein Distance
+// by Michael Gilleland, Merriam Park Software
+//
+// source:
+// http://www.merriampark.com/ld.htm#CPLUSPLUS
+//
+//---------------------------------------------------
+
+#ifndef _DISTANCE_INC_
+#define _DISTANCE_INC_
+
+class Distance
+{
+  public:
+    int LD (char const *s, char const *t, int maxLength);
+  private:
+    int Minimum (int a, int b, int c);
+    int *GetCellPointer (int *pOrigin, int col, int row, int nCols);
+    int GetAt (int *pOrigin, int col, int row, int nCols);
+    void PutAt (int *pOrigin, int col, int row, int nCols, int x);
+}; 
+
+#endif