Stephen> On Sun, 2006-03-19 at 12:53 -0500, Liam M. Healy wrote:
>> - The desktop is ..., Darcs pull 2006-03-07 23:11, SBCL 0.9.8.42
>> - The laptop is ..., Darcs pull 2006-03-17 23:59, SBCL 0.9.9
Stephen> This may or may not be an issue.
>> (with-foreign-objects ((retn :double))
>> (foreign-funcall "gsl_sf_bessel_Jn_array"
>> :int 0
>> :int 2
>> :double 0.25d0
>> :pointer retn
>> :int)
>> (mem-aref retn :double 0))
Stephen> I know nothing about GSL besides what I just read about the
function you
Stephen> call above, but don't you need to allocate space for 3 doubles,
not just
Stephen> one, for the retn (result_array) argument?
Yes, that's it. For some reason, one is OK with the lack of
allocation, the other is not.
Thanks.
Liam
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