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Aug 30th, 2015
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  1. extern crate time;
  2.  
  3. use std::io;
  4.  
  5. static mut randu_prev: u64 = 3;
  6.  
  7. unsafe fn randu_set_seed(seed: u64)
  8. {
  9. randu_prev = seed;
  10. }
  11.  
  12. unsafe fn randu_gen() -> u64
  13. {
  14. randu_prev = (66539 * randu_prev) % 0x80000000;
  15. randu_prev
  16. }
  17.  
  18. fn main()
  19. {
  20. unsafe
  21. {
  22. randu_set_seed(time::precise_time_ns());
  23. for _ in 0..10
  24. {
  25. println!("{}", randu_gen() / 65539);
  26. }
  27. }
  28. }
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