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Re: gawk round-up 0.5 bug?


From: Hermann Peifer
Subject: Re: gawk round-up 0.5 bug?
Date: Tue, 23 Sep 2008 07:42:37 +0000 (UTC)
User-agent: Loom/3.14 (http://gmane.org/)

Andreas Schwab <schwab <at> suse.de> writes:

> 
> Since 0.5 is exactly half-way between 0 and 1 it is rounded to the
> nearest even number.  This is the default rounding mode for IEEE
> floating point systems.
> 


By the way...

address@hidden:~]> gawk 'BEGIN {printf("%.0f\n", 0.5)}'
1

address@hidden:~]> gawk --version|head -1
GNU Awk 3.1.6

address@hidden:~]> uname -a
CYGWIN_NT-5.1 LAPTOP7664 1.5.25(0.156/4/2) 2008-06-12 19:34 i686 Cygwin

Hermann






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