----- Original Message -----
From: "Electron One" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, August 08, 2003 6:54 AM
Subject: Precision on addition Problem
> Hi all,
>
> I am experiencing an issue when I try to add a decimal multiple times in a
> for loop. This really
> throws off my calculations when I need such accurate analysis. If anyone
> can provide a reason
> for this occurrence or a way to stop this from happening I would greatly
> appreciate it.
>
> I am running this on a Unix os 2.8 machine.
>
> CODE:
>
> #!/pkg/iceng/perl5/5.8.0/bin/perl
>
> ## standard perl modules ##
> use strict;
>
> my ($a, $i, $t);
>
> $a = 10.01;
>
> for($i=0; $i<2000; $i++) {
> $t += $a; }
>
> print "TOTAL: $t\n";
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> OUTPUT:
>
> TOTAL: 20019.9999999997
>
>
>
> Any help would be appreciated.
>
Jay Flowers provided this link a while back:
http://www.samag.com/documents/s=1277/sam02040001/
It covers the issue pretty well, imo.
Cheers,
Rob
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