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+/************************************************************************
+ * This file is part of trayfreq. *
+ * *
+ * trayfreq 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 3 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * trayfreq 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 trayfreq. If not, see <http://www.gnu.org/licenses/>. *
+ ************************************************************************/
+
+#ifndef UTILITIES_H
+#define UTILITIES_H 1
+
+#include <glib.h>
+#include "config.h"
+
+/* > 0 if a > b, = 0 if a = b, < 0 if a < b*/
+gint util_compare_gdouble(gdouble a, gdouble b);
+const gchar* util_get_prefix();
+
+#endif