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  2. RPG400-L
  3. March 2004

Re: IF Coding question

> I am trying to understand the point/reason for this code:
>       TOT1a   IFEQ TOT2a
>       TOT1b   ANDEQTOT2bC
>               ELSE
>               EXCPTHEADR
>               EXCPTTOTAL
>               ENDIF
> Why do you need the "IF" "AND" part? What purpose does this serve?

It's coding done by someone who hasn't applied De Morgan's Law (boolean
algebra,) which is one of the most basic underpinnings of the programming
craft.

http://en.wikipedia.org/wiki/Boolean_algebra
http://en.wikipedia.org/wiki/DeMorgans_Law

  --buck

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