lib/semantic/compare.rb in rsemantic-0.1.3 vs lib/semantic/compare.rb in rsemantic-0.1.4

@@ -7,10 +7,13 @@
         cosine(vector1, vector2)
       end
       
       def cosine(vector1, vector2)
         unless vector2.nil? or vector1.nil?
-          (vector2.dot(vector1)) / (vector1.norm * vector2.norm)
+          v1 = vector1.row
+          v2 = vector2
+          score =  (v1 * v2) / (vector1.norm * vector2.norm)
+          score.nan? ?  0.0 : score
         end
       end
 
     end