# File lib/ai4r/classifiers/prism.rb, line 173 def better_pt(pt, best_pt) return false if pt[1] == 0 return true if best_pt[1] == 0 a = pt[0]*best_pt[1] b = best_pt[0]*pt[1] return true if a>b || (a==b && pt[0]>best_pt[0]) return false end