Date: Fri, 05 Aug 2005 20:37:44 +0400 From: Denis Antrushin <DAntrushin@mail.ru> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: freebsd-hackers@freebsd.org Subject: Re: Number of significand bits in long double? Message-ID: <42F395D8.5020200@mail.ru> In-Reply-To: <20050805160219.GB4147@troutmask.apl.washington.edu> References: <20050804150405.GA95916@troutmask.apl.washington.edu> <42F36675.2090602@mail.ru> <20050805160219.GB4147@troutmask.apl.washington.edu>
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Steve Kargl wrote: > On Fri, Aug 05, 2005 at 05:15:33PM +0400, Denis Antrushin wrote: > >>Steve Kargl wrote: >> >>>Can someone confirm or refute that the working number >>>of bits in the significand of long double type is 53 >>>on i386? >>> >> >>Yes, this is what IEEE 754 requires. >>(See http://docs.sun.com/source/806-3568/ncg_goldberg.html, >>section 'The IEEE Standard') >> > > BZZZT. > > You're not even close to correct. See Table 1 in the IEEE > 754 standard and then read section 3.4. > Well, you know the answer then ;-)
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