lib/numb/deficient.rb in numb-0.72.1 vs lib/numb/deficient.rb in numb-0.77.0

@@ -9,10 +9,10 @@
   #     8.deficient?  #=> true
   #     27.deficient? #=> true
   #     6.deficient?  #=> false
   #
   def deficient?
-    return false unless self > 0
+    return false unless positive?
     σ < (2 * self)
   end
 
   alias :defective? :deficient?
 end