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diff --git a/deps/uber-graph/uber-range.h b/deps/uber-graph/uber-range.h
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+/* uber-range.h
+ *
+ * Copyright (C) 2010 Christian Hergert <chris@dronelabs.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __UBER_RANGE_H__
+#define __UBER_RANGE_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define UBER_TYPE_RANGE (uber_range_get_type())
+
+/**
+ * UberRange:
+ *
+ * #UberRange is a structure that encapsulates the range of a particular
+ * scale.  It contains the beginning value, ending value, and a pre-calculated
+ * range between the values.
+ */
+typedef struct
+{
+	gdouble begin;
+	gdouble end;
+	gdouble range;
+} UberRange;
+
+GType      uber_range_get_type (void) G_GNUC_CONST;
+void       uber_range_free     (UberRange *range);
+UberRange* uber_range_copy     (UberRange *range);
+UberRange* uber_range_new      (gdouble    begin,
+                                gdouble    end);
+
+G_END_DECLS
+
+#endif /* __UBER_RANGE_H__ */