-DEFINE ROTATEHALF (x) = (((x) lsl HALFINTSIZE) lor ((x) lsr HALFINTSIZE))
-DEFINE HASHINT2 (x,y) = ((((x) lsl 16)+((x) lsl 8)-(x))+(y))
-DEFINE HASHINT3 (x,y,z) = (((((x) lsl 16)+((x) lsl 8)-(x))+(y))*65599+(z))
+
+DEFINE HASHINT2 (x,y) = ((x)+HPARAM*(y))
+DEFINE HASHINT3 (x,y,z) = ((x) + (y) * HPARAM + (z) * HPARAM2)
+DEFINE HASHINT4 (x,y,z,t) = ((x) + (y) * HPARAM + (z)*HPARAM2 + (t)* HPARAM3)
+
+DEFINE PRIME1 = 7
+DEFINE PRIME2 = 19
+DEFINE PRIME3 = 83
+DEFINE PRIME4 = 223
+DEFINE PRIME5 = 491
+DEFINE PRIME6 = 733
+DEFINE PRIME7 = 1009
+DEFINE PRIME8 = 4093
+DEFINE PRIME9 = 65599 (* Magic Constant used for hashing *)
+
+DEFINE SMALL_H_SIZE = PRIME2
+DEFINE MED_H_SIZE = PRIME5
+DEFINE BIG_H_SIZE = PRIME8