diff -r ccec33db31d4 -r 4457185b22ef scala/ex.scala
--- a/scala/ex.scala	Wed Jun 26 14:42:42 2013 +0100
+++ b/scala/ex.scala	Wed Jul 17 10:33:19 2013 +0100
@@ -2,8 +2,8 @@
 import turing._
 import abacus._
 import recs._
-//import comp1._
-//import comp2._
+import comp1._
+import comp2._
 
 
 // Turing machine examples
@@ -123,18 +123,22 @@
 println("Pdec2 7 -> 2:  " + Pdec2.eval(7))
 println("Enclen 0 .. 10: " + (0 until 10).map(Enclen.eval(_)))
 
-/*
+println("Size of UF -> 140843: " + UF.size)
+
+
 // compilation of rec to abacus tests
 def test_comp2(f: Rec, ns: Int*) = {
-  val (abc_f, arity, _) = compile_rec(f)
+  val (abc_f, _) = compile_rec(f)
   val abc_map = (0 until ns.length).zip(ns).toMap[Int, Int]
-  val start = System.nanoTime()
-  val res = (abc_f.run(abc_map))(arity)
-  val end = System.nanoTime()
-  val time = (end - start)/1.0e9
-  ("Result: " + res + "  length: " + abc_f.p.length + " time: " + "%.5f".format(time))
+  //val start = System.nanoTime()
+  //val res = (abc_f.run(abc_map))(arity)
+  //val end = System.nanoTime()
+  //val time = (end - start)/1.0e9
+  //("Result: " + res + "  length: " + abc_f.p.length + " time: " + "%.5f".format(time))
+  ("Length: " + abc_f.p.length)
 }
 
+
 println("S(3)          " + test_comp2(S, 3))
 println("Const(1)      " + test_comp2(Const(1), 0))
 println("Const(10)     " + test_comp2(Const(10), 0))
@@ -143,23 +147,25 @@
 println("Power(3, 4)   " + test_comp2(Power, 3, 4))
 println("Minus(30, 4)  " + test_comp2(Minus, 30, 4))
 println("Fact(5)       " + test_comp2(Fact, 5))
-
+//println("UF(0)         " + test_comp2(UF, 0))
 
 def test_comp1(f: Rec, ns: Int*) = {
-  val (abc_f, arity, _) = compile_rec(f)
-  val tm = toTM(abc_f.p) :+ TMMopup(arity)
-  val start = System.nanoTime()
-  val res = tm.run(Tape(ns.toList))
-  val end = System.nanoTime()
-  val time = (end - start)/1.0e9
-  ("length: " + tm.p.length + " tape: " + arity + " time: " + "%.5f".format(time) + "\nResult: " + res)
+  val (abc_f, _) = compile_rec(f)
+  println("Abacus Length: " + abc_f.p.length)
+  val tm = toTM(abc_f.p) :+ TMMopup(f.arity)
+  //val start = System.nanoTime()
+  //val res = tm.run(Tape(ns.toList))
+  //val end = System.nanoTime()
+  //val time = (end - start)/1.0e9
+  //("length: " + tm.p.length + " tape: " + arity + " time: " + "%.5f".format(time) + "\nResult: " + res)
+  ("Length: " + abc_f.p.length + " " + tm.p.length)
 }
 
-println("")
-println("S(3)          " + test_comp1(S, 3))
-println("Const(10)     " + test_comp1(Const(10), 0))
-println("Add(6, 3)     " + test_comp1(Add, 6, 3))
-println("Mult(4, 5)    " + test_comp1(recs.Mult, 4, 5))
-println("Fact(4)       " + test_comp1(Fact, 4))
+//println("")
+//println("S(3)          " + test_comp1(S, 3))
+//println("Const(10)     " + test_comp1(Const(10), 0))
+//println("Add(6, 3)     " + test_comp1(Add, 6, 3))
+//println("Mult(4, 5)    " + test_comp1(recs.Mult, 4, 5))
+//println("Fact(4)       " + test_comp1(Fact, 4))
+println("UF(0)         " + test_comp1(UF, 0))
 
-*/