RE: Rounding up to nearest 1000

Alan,

Now I'm really confused.  What does it do ?  Can you walk one through
like I was trying to do ?  I my example, it rounded neither up nor down,
nor round for that matter.  The result seemed to be 1961.  How is that
any "rounder" than the input value of 1461 ?  And how can the last line
of the equation ever make any sense; it just divides by a value and
multiplies right back by the same value, resulting in the same thing you
started with... ?  

What am I missing here ?  


Greg

|-----Original Message-----
|From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]
|On Behalf Of Alan Shore
|Sent: Friday, November 10, 2006 2:51 PM
|To: RPG programming on the AS400 / iSeries
|Subject: RE: Rounding up to nearest 1000
|
|
|Greg - this rounding algorithm is for rounding to the nearest whatever.
|NOT rounding UP to the nearest whatever.
|
|
|
|Alan Shore
|
|NBTY, Inc
|(631) 244-2000 ext. 5019
|AShore@xxxxxxxx
|
|
|
|
||The rounding algorithm goes something like this:
||
||Let N be the number to round, S be the scale of the rounding (in this
||example S = 1000)
||1)  temp = N + S/2
||2) result = (temp / S) * S
||
||I think this has to use 'integer division' to work.
||
||This is essentially what the H extender is about - hence the name -
||"(H)alf add".
||
||HTH,
||Adam
|
|Adam,
|
|I'm trying that out using my trusty calculator, and I'm not ending up
|with a round number.
|
|Say I want to round 1461 up to the nearest thousand, which would be
|2000.
|So N is 1461 and S = 1000
|
|Temp = 1461 + 1000/2
|Temp = 1461 + 500
|Temp = 1961
|Result = (1961/1000) * 1000
|Result = 1961 ?
|
|Did I do something wrong ?
|
|Greg
|