From: lye@fraser.sfu.ca (Bill Lye) Subject: Re: gcc 2.2.2 math lib bug??? Date: Mon, 14 Sep 1992 02:08:42 GMT
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
On a similar note I had problems running x11perf before I got my co-processor.
It would crash (and I do mean CRASH...no core dump, no nothing) trying to run
one of the dashed circle tests.
-- Bill Lye, lye@sfu.ca SFU claims these views....NOT!