Re: Preventing a divide by zero error

[Michael Ryan <michaelrtr@xxxxxxxxx>]

No, that's what you would do. You could also place a Monitor group around
the statement. You would then execute the statement and 'catch' the error.
I would check the divisor for zero myself.


On Thu, Jun 20, 2013 at 11:24 PM, Clay Carley <cbc@xxxxxxxxx> wrote:

> This sounds like an easy an easy thing to check for, but here's what is
> going on:
>
> I'm studying (on my own) RPG IV using Stanley Myers' book, "RPG IV
> Programming on the AS/400".  I'm doing the programming assignments at
> the end of Chapter 5, and assignment 5-2 wants "Include the control that
> prevents a divide-by-zero error".  As far as I can tell, this hasn't
> been discussed in the book yet; so I don't want to jump ahead with a
> solution that isn't what they are really looking for.
>
> This is what the line in question could be something like:
>
> C               EVAL       GRPFT = NETPRICE / GROSSPRFT
>
> Is there some EVAL option I'm missing for this?  Setting indicators is
> discussed, but for the life of me I don't see anything related to divide
> by zero.
>
> I did some searching, but I found what I would logically do to check for
> a zero in the variable before doing the math.  That hasn't been covered
> in this book yet, so I'm guessing there is something else to it.
>
> Thanks,
> Clay Carley
> Sonic.net/ Sonic Telecom
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