Ranks calculation

[robmio]

(11-01-2024 09:38 AM)Albert Chan Wrote:  

(11-01-2024 09:04 AM)robmio Wrote:  Unfortunately, there is an error in the following program, and I can't figure out what it is:

Off-by-1 error (Lua code use i<hi, with same effect)
i≠hi guard is to *ALWAYS* update last ranking. (*)

< IF j≠hi AND m2[ii][1]==m2[j][1] THEN
> IF i≠hi AND m2[ii][1]==m2[j][1] THEN

(*) It is weird bad code does not generate Index outside range error, when j = hi+1

Hi Albert Chan, your fix works fine. Also, if we replace "i" with "j" in the following line:

"FOR k FROM lo TO ii DO"

the code generates Index outside range error.

Thanks again, many thanks!