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  1.  Home
  2. RPG400-L
  3. October 2002

RE: Array Lookup

>Does V4R5M0 of RPG do a binary search
>to find the equal condition and only
>read the entrys until it gets a match
>or will it read all entries before giving
>me an equal condition? If the latter,
>does V5R1M0 make any changes
>to this processing?

I could not find a reference in the RPG Reference, but I believe the LOOKUP
opcode always does a read/compare loop, while the %lookup BIF does a binary
search.
  --buck

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