9fans - fans of the OS Plan 9 from Bell Labs
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From: dave.l@mac.com
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] fun and scary evil C code
Date: Thu, 20 Dec 2007 00:33:50 +0000	[thread overview]
Message-ID: <3FA5A9CA-EE09-4FDB-A9AA-118E3E8A3AB6@mac.com> (raw)
In-Reply-To: <67C6BAFA-908C-4756-848F-4D65095913EB@mac.com>

> As far as I can see,
> they're assuming that double is IEEE 754 and that you can
> rip apart such a representation on an random-endian machine
> and re-assemble it on an any other random-endian machine.

I lied.
They're actually using that stuff to pick apart the (presumed IEEE 754)
doubles into exponent, mantissa, ...

My questions still stand ...

Also, that file is such a tangled nest of ifdefs ...
is anyone sure whether (and if so, when) that code is invoked?

DaveL


  reply	other threads:[~2007-12-20  0:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-19 15:15 David Leimbach
2007-12-19 20:37 ` Russ Cox
2007-12-19 22:32   ` Robert William Fuller
2007-12-19 22:38     ` erik quanstrom
2007-12-19 22:51   ` Bakul Shah
2007-12-20  0:18   ` dave.l
2007-12-20  0:33     ` dave.l [this message]
2007-12-20  0:51       ` erik quanstrom
2007-12-20  9:29         ` roger peppe
2007-12-20 13:02           ` erik quanstrom
2007-12-20 16:29 Russ Cox

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