Re: Round up a number to 4 decimal positions

I agree, if you are always wanting to round up, then add .0000999999 but
then do no rounding into your fourth decimal position.

fld is [20,10]
fld2 is [20,4]

fld = 0.01420000 + .0000999999 = .0142999999
fld2 = fld; // fld2 = 0.0142

fld = 0.014201222 + .0000999999 = .0143012219
fld2 = fld; // fld2 = .0143






On Tue, Mar 19, 2013 at 4:23 PM, Jeff Crosby <jlcrosby@xxxxxxxxxxxxxxxx>wrote:

Or add .00009 and don't round.

Back in the late 70's, on a System/3 Mod 10, The Boss wanted a
multiplication to always be rounded up to the next penny. This was, uh,
several version ago in RPG.

What I settled on (and he agreed to) was rounding to 3 decimal places, add
.009, and truncate. Not perfect math-wise, but it worked.

And that particular calculation, though in free form for many years, Is
Still Done The Same Way. :)



On Tue, Mar 19, 2013 at 4:14 PM, Roger Harman <roger_harman@xxxxxxxxxxx

wrote:

You could add .00005 before rounding.

The rounding opcode/function is doing it correctly now. You're wanting

to

do something like a variant of a ceil() function.


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:

rpg400-l-bounces@xxxxxxxxxxxx]

On Behalf Of Jeff Young
Sent: Tuesday, March 19, 2013 1:04 PM
To: RPG programming on the IBM i / System i
Subject: Round up a number to 4 decimal positions

All,
I have a calculation that results in the value of .0141326 that I need to
have rounded up to the fourth decimal position .0142.
What is the best way to do this?
RPGLE Eval(H) results in .0141.
SQL ROUND results in .0141.

Thanks,

--
Jeff Young
Sr. Programmer Analyst
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Jeff Crosby
VP Information Systems
UniPro FoodService/Dilgard
P.O. Box 13369
Ft. Wayne, IN 46868-3369
260-422-7531
www.dilgardfoods.com

The opinions expressed are my own and not necessarily the opinion of my
company. Unless I say so.
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