Changes to "Random Number Generation" between r3 and r4

Changes to Random Number Generation between r3 and r4

'''Using a Computer to Generate Random Numbers'''

~~(blank line)~~
Sample C implementation [http://www.rkeene.org/projects/info/resources/rng/rng.c]
(blank line)
Diehard Battery of Tests [http://www.stat.fsu.edu/pub/diehard/] for determining the quality of random numbers.

Legend

     Only in r3
     Only in r4
     -->      Modified slightly between r3 and r4