--- /dev/null	
+++ scsolver/source/ui/global.cxx	
@@ -0,0 +1,55 @@
+/*************************************************************************
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2005 by Kohei Yoshida.
+ *    1039 Kingsway Dr., Apex, NC 27502, USA
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    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., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+#include <global.hxx>
+#include <sstream>
+#include <stdio.h>
+
+namespace scsolver {
+
+
+/**
+ * Outputs debug message when the DEBUG is defined.
+ * 
+ * @param s      message to output
+ */
+void Debug( const char* s )
+{
+#ifdef DEBUG
+	std::cout << s << std::endl;
+#endif
+}
+
+std::string repeatString( const char* str, unsigned long nNum )
+{
+	std::ostringstream os;
+	for ( unsigned int i = 0; i < nNum; ++i )
+		os << str;
+	return os.str();
+}
+
+}
