Random for Red
random.red is the REBOL-like random function for Red
This uses the Knuth method from The Art of Computer Programming
random-taocp.reds
Also a Mersenne Twister is provided, it would be nice if the could be switched from within a program.
random-mt19937.reds
The MT delivers posiitve and negatice results because Red(/System) has no unsigned type. Also floats are untested for they reproduce a runtime error on second printing occasion.