Re: glibc: floor() is giving incorrect results on alpha architecture

To: debian-alpha@lists.debian.org
Subject: Re: glibc: floor() is giving incorrect results on alpha architecture
From: Michael Cree <mcree@orcon.net.nz>
Date: Sat, 06 Oct 2007 21:33:41 +1300
Message-id: <[🔎] 47074865.8050907@orcon.net.nz>
In-reply-to: <[🔎] 87odfcepkv.fsf@benington..loc>
References: <[🔎] fe6kfb$mhd$1@sea.gmane.org> <[🔎] 87odfcepkv.fsf@benington..loc>

Alexander Kotelnikov wrote:

DBL_MANT_DIG = 53
9007199254740991.000000 9007199254740991.000000
10:14 pts/10 sacha@vinci:/tmp 8> uname -a
Linux vinci 2.6.23-rc8-rt2x00-gc31d1777-dirty #1 Wed Oct 3 11:44:23 MSD 2007 alpha GNU/Linux

Interesting. On my XP1000 (ev67), self compiled kernel 2.6.22.3, andrunning debian testing, I get:


DBL_MANT_DIG = 53
9007199254740991.000000 9007199254740990.000000
a.out: double_comparison.c:12: main: Assertion `x == floor(x)' failed.
Aborted

Michael.

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Follow-Ups:
- Re: glibc: floor() is giving incorrect results on alpha architecture
  - From: Alexander Kotelnikov <sacha@debian.org>

References:
- glibc: floor() is giving incorrect results on alpha architecture
  - From: Kamaraju S Kusumanchi <kamaraju@bluebottle.com>
- Re: glibc: floor() is giving incorrect results on alpha architecture
  - From: Alexander Kotelnikov <sacha@debian.org>

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