Fast? Unpredictable based on previous output if the seed is truly random? Here is a read I enjoyed on the subject: http://www.cs.yale.edu/homes/aspnes/pinewiki/

Fast? Unpredictable based on previous output if the seed is truly random? Here is a read I enjoyed on the subject: http://www.cs.yale.edu/homes/aspnes/pinewiki/C(2f)Randomization.html http://www.cs.yale.edu/homes/aspnes/pinewiki/C(2f)Randomizat...