Data commit

Task/Averages-Arithmetic-mean/NetRexx/averages-arithmetic-mean.netrexx

@@ -0,0 +1,51 @@
+/* NetRexx */
+options replace format comments java crossref symbols nobinary
+
+launchSample()
+return
+
+-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+method arithmeticMean(vv = Vector) public static signals DivideException returns Rexx
+  sum = 0
+  n_ = Rexx
+  loop n_ over vv
+    sum = sum + n_
+    end n_
+  mean = sum / vv.size()
+
+  return mean
+
+-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+method launchSample() public static
+  TRUE_  = 1 == 1
+  FALSE_ = \TRUE_
+  tracing = FALSE_
+  vectors = getSampleData()
+  loop v_ = 0 to vectors.length - 1
+    say 'Average of:' vectors[v_].toString()
+    do
+      say '          =' arithmeticMean(vectors[v_])
+    catch dex = DivideException
+      say 'Caught "Divide By Zero"; bypassing...'
+      if tracing then dex.printStackTrace()
+    catch xex = RuntimeException
+      say 'Caught unspecified run-time exception; bypassing...'
+      if tracing then xex.printStackTrace()
+    end
+    say
+    end v_
+  return
+
+-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+method getSampleData() private static returns Vector[]
+  seed = 1066
+  rng = Random(seed)
+  vectors =[ -
+    Vector(Arrays.asList([Rexx 1, 2, 3, 4, 5, 6, 7, 8, 9, 10])), -
+    Vector(), -
+    Vector(Arrays.asList([Rexx rng.nextInt(seed), rng.nextInt(seed), rng.nextInt(seed), rng.nextInt(seed), rng.nextInt(seed), rng.nextInt(seed)])), -
+    Vector(Arrays.asList([Rexx rng.nextDouble(), rng.nextDouble(), rng.nextDouble(), rng.nextDouble(), rng.nextDouble(), rng.nextDouble(), rng.nextDouble()])), -
+    Vector(Arrays.asList([Rexx '1.0', '2.0', 3.0])), -
+    Vector(Arrays.asList([Rexx '1.0', 'not a number', 3.0])) -
+    ]
+  return vectors