gaojun (Jun Gao)
- Login: gaojun
- Registered on: 03/18/2021
- Last sign in: 04/08/2022
Issues
| open | closed | Total | |
|---|---|---|---|
| Assigned issues | 0 | 0 | 0 |
| Reported issues | 0 | 1 | 1 |
Activity
03/19/2021
-
01:01 AM Ruby Bug #17731: Integer downflow with inject/reduce
- Some more interesting samples:
``` ruby
3.0.0 :001 > [0,-2305843009213693953,-2305843009213693953].inject(:+)
=> 13835058055282163710
3.0.0 :002 > [-2305843009213693953,-2305843009213693953].inject(:+)
=> -4611686018427387906
3... -
- Test case:
[-2305843009213693953,-2305843009213693953,-2305843009213693953].inject(:+)
or
([-2**61-1] * 3).inject(:+)
Expected Result:
-6917529027641081859
Actual Result:
11529215046068469757
Some clues:
* Downflow seems n...