weights.rb in picky-2.1.0

- old
+ new

@@ -1,23 +1,23 @@
 module Query
 
   # Calculates weights for certain combinations.
   #
   class Weights # :nodoc:all
-    
+
     #
     #
     def initialize weights = {}
       @weights = weights
     end
-    
+
     # Get the weight of an allocation.
     #
     def weight_for clustered
       @weights[clustered] || 0
     end
-    
+
     # Returns an energy term E for allocation. this turns into a probability
     # by P(allocation) = 1/Z * exp (-1/T * E(allocation)),
     # where Z is the normalizing partition function
     # sum_allocations exp(-1/T *E(allocation)), and T is a temperature constant.
     # If T is high the distribution will be close to equally distributed.
@@ -29,26 +29,28 @@
     # Just kidding. It's far more complicated than that. Ha ha ha ha ;)
     #
     # Note: Cache this if more complicated weighings become necessary.
     #
     def score combinations
-      # TODO Or hide: combinations#to_weights_key
+      # TODO Or hide: combinations#to_weights_key (but it's an array, so…)
       #
       # TODO combinations could cluster uniq as combinations are added (since combinations don't change).
       #
+      # TODO Or it could use actual combinations? Could it? Or make combinations comparable to Symbols.
+      #
       weight_for combinations.map(&:category_name).clustered_uniq_fast
     end
-    
+
     # Are there any weights defined?
     #
     def empty?
       @weights.empty?
     end
-    
+
     # Prints out a nice representation of the configured weights.
     #
     def to_s
       @weights.to_s
     end
-    
+
   end
 end
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