Fixed std_deviation throw and calculation when count is below 1 item

Informaticore · Informaticore · commit 07ab9b097256 · 2023-04-14T09:22:47.000+02:00
diff --git a/test/test_ringbuffer.toit b/test/test_ringbuffer.toit
@@ -50,7 +50,7 @@ class TestRingbuffer implements TestCase:
     assertEquals 2.3 ringbuffer.average 
     assertEquals 2.3 ringbuffer.minimum 
     assertEquals 2.3 ringbuffer.maximum 
-    // assertEquals 0.0 ringbuffer.std_deviation   //@davidg238: should entries be required?
+    assertEquals 0.0 ringbuffer.std_deviation
 
 
   test_ringbuffer_average:
