matlab mex function under 64-bit linux- panic

[augustm]

Octave-3.0.0

I am using a 64 linux machine with the SuiteSparse set of routines.

I would like to use some of the mex functions that are defined within SuiteSparse-
and are not directly callable from octave.


I have managed to make a small test on a 32 bit machine and compile the LDL routines

mkoctfile --mex -I../Include -I../../UFconfig  -DLDL_LONG  -o ldlsparse.mex 
.../Source/ldl.c ldlmex.c
mkoctfile --mex -I../Include -I../../UFconfig  -DLDL_LONG   -o ldlsymbol.mex 
.../Source/ldl.c ldlsymbolmex.c


The result works when I add the directory path into octave.

****************************
When I try the same thing on a 64 bit machine I have the following problem


>path('/opt/SuiteSparse2/LDL/MATLAB',path);
>M=speye(10);
>ldlsparse(M);

I obtain

panic: Segmentation fault -- stopping myself...
attempting to save variables to `octave-core'...
save to `octave-core' complete
Segmentation fault

****************************
Is the mex interface "aimed" at 64 bit machines"
or is it only 32 bit?

TM, Paris.



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