Re: CVTILERPG

[Hans Boldt <boldt@xxxxxxxxxx>]

Simon wrote:
>This is not just EVAL and RPG IV.  All programming languages that support
>arithmetic expressions
>have this 'problem' with division.  It is all to do with the intermediate
>precision used by the
>compiler and is based on the result of evaluating each component in the
>expression.  There is a
>complete section in Chapter 21 of the RPG IV Reference Manual describing >this.
>
>In general use the precision of intermediary results in EVAL is only a
>consideration for division
>operations.

Although it is easier to run into problems with division, if you are
multiplying decimal variables with sufficiently large precision, you
can also lose decimal places there as well.

>
>There was an intention to provide a form of programmer control over the
>precision via a keyword on
>the H-spec.  I don't know if this was ever implemented.

Yes, back in V3R7.  Have you read chapter 21 lately?

>
>There is a technical writer sitting somewhere in Toronto muttering "Why do I
>bother, no-one reads
>the manual anyway!".

ROTFL!

>
>Regards,
>Simon Coulter.

Cheers!  Hans

Hans Boldt, ILE RPG Development, IBM Toronto Lab, boldt@ca.ibm.com
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