From: hugo rivera <uair00@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] float overflow
Date: Fri, 26 Mar 2010 14:37:58 +0100 [thread overview]
Message-ID: <138575261003260637o6ea22b21kd1c0cf4f487e2f16@mail.gmail.com> (raw)
In-Reply-To: <32d987d51003260554p78bc2837ve302822e3ce72d41@mail.gmail.com>
great! now I can throw all the garbage I want to my program :-)
Thanks a lot.
2010/3/26 Federico G. Benavento <benavento@gmail.com>:
> garbage in, garbage out
>
> lotte% echo 1.75e308+1.75e308 | hoc
> hoc 730809: suicide: sys: fp: numeric overflow fppc=0x3004
> status=0xb988 pc=0x3a75
> lotte%
>
> if you want to keep feeding garbage to your program disable the exceptions
>
> see getfcr(2)
>
> or http://plan9.bell-labs.com/magic/man2html/2/getfcr
>
> setfcr(getfcr()&~(FPINVAL));
>
> feel free to turn division by 0 trap too
>
--
Hugo
next prev parent reply other threads:[~2010-03-26 13:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-26 11:58 hugo rivera
2010-03-26 12:43 ` erik quanstrom
2010-03-26 12:44 ` maht
2010-03-26 12:54 ` Federico G. Benavento
2010-03-26 13:37 ` hugo rivera [this message]
2010-03-26 16:44 ` ron minnich
2010-03-26 16:57 ` hugo rivera
2010-03-26 17:01 ` erik quanstrom
2010-03-26 17:05 ` ron minnich
2010-03-26 17:05 ` ron minnich
2010-03-26 17:22 ` hugo rivera
2010-03-26 17:46 ` Tim Newsham
2010-03-26 20:23 ` ron minnich
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