Data commit

Task/Averages-Simple-moving-average/Brat/averages-simple-moving-average-1.brat

@@ -0,0 +1,21 @@
+SMA = object.new
+
+SMA.init = { period |
+  my.period = period
+  my.list = []
+  my.average = 0
+}
+
+SMA.prototype.add = { num |
+  true? my.list.length >= my.period
+    { my.list.deq }
+
+  my.list << num
+  my.average = my.list.reduce(:+) / my.list.length
+}
+
+sma3 = SMA.new 3
+sma5 = SMA.new 5
+[1, 2, 3, 4, 5, 5, 4, 3, 2, 1].each { n |
+  p n, " - SMA3: ", sma3.add(n), " SMA5: ", sma5.add(n)
+}

Task/Averages-Simple-moving-average/Brat/averages-simple-moving-average-2.brat

@@ -0,0 +1,17 @@
+sma = { period |
+  list = []
+
+  { num |
+    true? list.length >= period
+      { list.deq }
+
+    list << num
+    list.reduce(:+) / list.length
+  }
+}
+
+sma3 = sma 3
+sma5 = sma 5
+[1, 2, 3, 4, 5, 5, 4, 3, 2, 1].each { n |
+  p n, " - SMA3: ", sma3(n), " SMA5: ", sma5(n)
+}