On Sat, Feb 17, 2001 at 05:36:03PM +0000, Russell King - ARM Linux wrote:
> Peter Naulls writes:
> > I tried out a Java benchmark, to test speed of FP - with this benchmark,
> > it appears to be nearly twice as fast, which is fairly impressive.
> >
> > Unfortunately, the benchmark uses exp() to calculate the final result,
> > which makes it result wrong, as it appears to be misbehaving:
>
> Under AcornFPE with the old a.out stuff:
>
> 54.598150
> 148.413159
> 403.428793
>
> NWFPE doesn't implement exp(), so the bug must be in glibc.
"Is that your final answer?" Perl is using doubles, so it may be glibc on
single precision floating point only:
$ perl -le 'print exp(4)'
54.5981500331442
$ uname -a
Linux Bagpuss.unfortu.net 2.4.0-rmk3 #3 Sat Jan 20 21:38:55 GMT 2001 armv4l unknown
$ dmesg | grep Rebel
NetWinder Floating Point Emulator V0.95 (c) 1998-1999 Rebel.com
Nicholas Clark
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