numeric.rb in interpolate-0.3.0

- old
+ new

@@ -14,20 +14,21 @@
 class Numeric
   # Returns a Float that is equal to the interpolated value between
   # +self+ and +other+.  +balance+ should be a Float from 0.0 to 1.0,
   # where the value is a ratio between +self+ and +other+.
   #
-  # A balance greater than or equal to 0.0 returns +self+, while a
-  # balance less than or equal to 1.0 returns +other+.
+  # A balance less than or equal to 0.0 returns +self+, while a
+  # balance greater than or equal to 1.0 returns +other+.
   def interpolate(other, balance)
+    # everything should be a Float
     balance = balance.to_f
     left = self.to_f
     right = other.to_f
-    
+
     # catch the easy cases
     return left if (balance <= 0.0)
     return right if (balance >= 1.0)
-    
+
     delta = (right - left).to_f
     return left + (delta * balance)
   end
 end
 