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  1.  Home
  2. RPG400-L
  3. August 2003

Re: dates in /free

> Because indiscriminate use of multiplication,
> and intermediate results can cause
> surprising results in /free.  Probably even in
> the semi free environment also.

Anyone using EVAL for expressions should run to the RPG Reference and read
the section on intermediate precision.  Run NOW!

To forestall the inevitable plaintive "well why don't they just FIX it?",
please try to remember that RPG II style calculations are closer to
assembler than to any other language on the planet.  There are no
expressions, and therefore, no requirements for intermediate variables
(handled by the compiler).  Even BASIC can handle expressions, and as such,
one needs to become familiar with the concept of intermediate precision.
It's not a 'fault' in EVAL; that's the way it works in every other language.
  --buck

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