problem with doubles in FFI
Bert Freudenberg
bert at isg.cs.uni-magdeburg.de
Mon May 26 14:36:40 UTC 2003
Am Samstag, 24.05.03 um 18:20 Uhr schrieb erollo:
> Hi!
> We are working with FFI and we have a few problems with doubles:
> 1. In the FFITester, there is a method called testAll. But when I
> launch it, I get "error: problem with doubles".
> 2. We have some functions returning doubles like dRandReal() which
> returns a double between 0 and 1. If I call it several times, I get
> double a few times, then I get a "NaN" double (Not a Number) until I
> quit Squeak and restart it.
> 3. That's why some functions with doubles as arguments make Squeak
> crash with a segmentation fault.
> Does anyone know the source of the problem ?
Did you try both 3.4 and 3.5 VMs? Ian rewrote FFI in 3.5, it does not
use libffi anymore (on x86 and ppc at least IIRC).
-- Bert
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