[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [bug-gawk] [Fwd: BUG REPORT]
|
From: |
Aharon Robbins |
|
Subject: |
Re: [bug-gawk] [Fwd: BUG REPORT] |
|
Date: |
Tue, 07 Feb 2012 22:34:58 +0200 |
|
User-agent: |
Heirloom mailx 12.4 7/29/08 |
Hi. Re this.
> From: cyrus <address@hidden>
> To: address@hidden
> Date: Mon, 06 Feb 2012 14:59:30 -0400
> Subject: [bug-gawk] [Fwd: BUG REPORT]
>
> BEGIN {
> a=0.93
> b=0.62
> c=0.31
> d=b+c
> if (a == d)
> print "success" a d
> else print "Failure"
> }
>
> I'm using UBUNTU 11.1. and I have a 64bit OS.
>
> The script above returns failure. But it should be success. If you
> change the integers to round #'s then it returns success!!
It's not a bug. It's how floating point numbers work; they do not
mimic decimal arithmetic. Please see the node "Floating Point Issues"
in the gawk doc.
Thanks,
Arnold