Re[2]: Date * 10000.01

["Eric DeLong"<eric.delong@xxxxxxxxxxxxxxxxx>]

     Huh? What's up with you (whoever you are)?
     
     Rule of thumb: use whatever technique is most appropriate to 
     achieve your desired goal. To calculate arithmetic expressions, use 
     arithmetic functions. To reorder the sequence of digits in a date, 
     use data structures or string functions to shift the characters. 
     Think about what you're trying to accomplish, not about saving one 
     or two LOC.
     
     This is getting old. 
     eric.delong@pmsi-services.com


______________________________ Reply Separator _________________________________
Subject: RE: Date * 10000.01 
Author:  <MIDRANGE-L@midrange.com > at INET_WACO
Date:    11/19/98 8:26 AM


So would it be more efficient to do a series of alphanumeric if comparisons to 
perform
100
-87
---
 13
than to do a 
eval value=100-87





TimM@softwarejungle.com on 11/18/98 05:34:23 PM
Please respond to MIDRANGE-L@midrange.com@Internet
To:        MIDRANGE-L@midrange.com@Internet
cc:         

Subject:        RE: Date * 10000.01

Neither. Simple move statements will always require fewer cycles than
math. Too many programmers live in the belief that fewer code statements
result in better and faster code. Often the more mundane and less
"clever" methods are both faster for machines to process and easier to
maintain. 
> -----Original Message-----
> From:        Rob Berendt [SMTP:rob@dekko.com]
> Sent:        Wednesday, November 18, 1998 3:25 PM
> To:        MIDRANGE-L@midrange.com
> Subject:        Re: Date * 10000.01
> 
> > I strongly agree with Hans.  We did specific performance testing on
> this
> > function in RPG III, and found it to be 48 times more expensive from
> a CPU
> > perspective.
> >
> > Al
> 
> Does this mean that 400 has some extremely weak mathematical
> processing, or 
> is it just the compiler that is badly written?
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