--- /dev/null
+#ifndef _UDAF_COMMON_DEFINED_
+#define _UDAF_COMMON_DEFINED_
+
+// This include file contains definitions for UDAFS
+// Which must be synchronized between the LFTA and HFTA layers
+
+// for quantiles (flip_udaf)
+#define QUANT_LFTA1_SIZE 729
+#define QUANT_LFTA2_SIZE 181
+#define QUANT_LFTA3_SIZE 50
+#define QUANT_EPS 0.01
+#define SKIPDIR_SIZE 100
+#define SKIPDIR_HEIGHT_MAX 7
+
+
+#endif