int_big_lshift.py 753 B

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  1. # tests transition from small to large int representation by left-shift operation
  2. for i in range(1, 17):
  3. for shift in range(70):
  4. print(i, '<<', shift, '=', i << shift)
  5. # test bit-shifting negative integers
  6. for i in range(8):
  7. print(-100000000000000000000000000000 << i)
  8. print(-100000000000000000000000000001 << i)
  9. print(-100000000000000000000000000002 << i)
  10. print(-100000000000000000000000000003 << i)
  11. print(-100000000000000000000000000004 << i)
  12. print(-100000000000000000000000000000 >> i)
  13. print(-100000000000000000000000000001 >> i)
  14. print(-100000000000000000000000000002 >> i)
  15. print(-100000000000000000000000000003 >> i)
  16. print(-100000000000000000000000000004 >> i)
  17. # shl by zero
  18. print((1<<70) << 0)