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

@@ -1,8 +1,8 @@
 # coding: utf-8
 class Integer
   def perfect_power?
-    return false unless self > 0
+    return false unless positive?
     return true if self == 1
     divisors = self.divisors
     (2..Math.log2(self)).any? { |pow| divisors.any? {|div| (div ** pow) == self} } 
   end
 end