Xref: utzoo comp.compilers:1448 comp.lang.fortran:4011
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From: diamond@tkov50.enet.dec.com (diamond@tkovoa)
Newsgroups: comp.compilers,comp.lang.fortran
Subject: Re: IEEE 754 vs Fortran arithmetic
Keywords: Fortran
Message-ID: <9010260806.AA28012@decpa.pa.dec.com>
Date: 26 Oct 90 08:06:47 GMT
References: <9010230628.AA22160@admin.ogi.edu> <1990Oct24.162529.20452@zoo.toronto.edu> <1990Oct25.010604.4796@twinsun.com>
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Reply-To: diamond@tkov50.enet.dec.com (diamond@tkovoa)
Organization: Digital Equipment Corporation Japan , Tokyo
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In article <1990Oct25.010604.4796@twinsun.com> eggert@twinsun.com (Paul Eggert) writes:
>ANSI X3.9-1978 says that -0.0 and +0.0 must print the same way. IEEE 754-1985
>says that -0.0 and +0.0 are distinct, and that printing any number and reading
>it back in must yield the original number if the proper precision is used.
 
Unfortunately, it is possible.  For example, "proper precision" could be
specified as leaving room for +0.0 to print as 0.0 while -0.0 prints as
(I can hardly type it)
00.0
(oh I feel ill).
--
Norman Diamond, Nihon DEC    diamond@tkov50.enet.dec.com
                                    (tkou02 is scheduled for demolition)
-- 
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