Here's how my old EV45 runs your test code with
math_emu loaded:
imladris:~# ./floortest
DBL_MANT_DIG = 53
9007199254740991.000000 9007199254740991.000000
And here is without:
imladris:~# rmmod math_emu
imladris:~# ./floortest
DBL_MANT_DIG = 53
9007199254740991.000000 0.000000
floortest: floortest.c:12: main: Assertion `x == floor(x)' failed.
Aborted
This machine is not exactly up to date, but:
imladris:~# uname -a
Linux imladris 2.6.18-3-alpha-generic #1 Mon Dec 4 16:04:14 UTC 2006
alpha GNU/Linux
This thread from back in February is probably of interest:
http://lists.debian.org/debian-alpha/2007/02/msg00016.html
At that time, it sounded like MATHEMU was going to end up
being built into alpha kernels at some point, instead of
being a module. I guess this would solve the problem you
ran into?
Cheers,
Craig
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