libm

Arjan van de Ven arjan at fenrus.demon.nl
Tue Jul 11 20:35:25 UTC 2006


> # objdump -p /usr/lib/libfftw.so | grep -A20 Version
> Version References:
> [...]
>   required from libm.so.6:
>     0x0d696910 0x00 02 GLIBC_2.0
> 
> Is there a reason why under 32bit FC5 and 64bit FC3 the library
> references libm, while it doesn't under 64bit FC5? It doesn't look like
> the most predictable behaviour to me. Which of the two is considered
> more proper?


it's entirely possible that gcc on 64 bit has all the math operations
inlined, while on 32 bit a few are external (eg libm)..




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