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- Newsgroups: comp.os.linux
- Path: sparky!uunet!van-bc!ubc-cs!unixg.ubc.ca!nukta!hodder
- From: hodder@geop.ubc.ca (philip hodder)
- Subject: Re: gcc 2.2.2 math lib bug???
- Message-ID: <1992Sep14.220738.20734@unixg.ubc.ca>
- Sender: news@unixg.ubc.ca (Usenet News Maintenance)
- Nntp-Posting-Host: nukta.astro.ubc.ca
- Reply-To: hodder@geop.ubc.ca
- Organization: Geophysics & Astronomy, U.B.C. Vancouver, Canada
- References: <1992Sep13.175040.24459@klaava.Helsinki.FI>
- Distribution: net
- Date: Mon, 14 Sep 1992 22:07:38 GMT
- Lines: 46
-
- In article 24459@klaava.Helsinki.FI, torvalds@klaava.Helsinki.FI (Linus Benedict Torvalds) writes:
- > In article <1992Sep13.161713.8191@monu6.cc.monash.edu.au> int177c@aurora.cc.monash.edu.au (Jae Won) writes:
- > >
- > > I found a weidness in gcc2.2.2d. It may be my silly code but I tested
- > >the code with gcc compiler at uni(gcc...not sure of the version) and it worked
- > >fine...well, like what I expected. The code is a edited fragment of a code
- > >I am writing to do a monte carlo stuff. I use exp() function.
- >
- > It's more likely to be a problem with the 387-emulator: the emulator
- > does *not* handle under/over-flows gracefully in its current form. The
- > fix is either to get a real 387, check for underflows by hand, or fix
- > the emulator. Fixing the emulator is obviously the optimal solution,
- > but it takes some doing, and nobody seems interested (most people,
- > including me, seem to have a 387). The fact that the emulator works
- > "well enough" for most things makes it a pretty boring project, so
- > nobody has done anything about it.
- >
- > Linus
-
- I've been thinking about getting a 387 - mainly for running stuff under Linux but
- also to speed up some DOS applications. Will any old 387 (Intel, Cyrix etc) do?
- Or is there a significant difference between them?
-
- BTW I have also had problems with math calculations under Linux - code that compiles
- and runs under Sun-OS and Linux do not give the same results.
-
- Phil.
-
- ---
-
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- Bernard Woolley in "Yes, Prime Minister"
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