Re: [Spglib-users] Segmentation Fault with Fortran interface

[Atsushi T. <atz...@gm...>]

Hi Navaneeth,

Thank you for your report. Probably this happened because I changed
the C-structure SpglibDataset. I updated the fortran wrapper and
example to follow this change as attached.

Best regards,

Togo

On Mon, Dec 15, 2014 at 5:17 AM, Navaneetha Krishnan
<nav...@ca...> wrote:
> Hi everyone,
>
> I am trying to use spglib library; I am unable to execute the Fortran
> example in the example folder.
>
> I have been getting segmentation faults and they point to line 403 in
> spglib_f08.f90 in the debugger.
>
> "dset % wyckoffs         = wyckoffs"
>
> If I comment out lines 393, 394, 398, 399, 403 and 404 (all lines involving
> assignment and reassignments of pointers wyckoffs and equivalent_atoms) in
> the file spglib_f08.f90, the code seems to execute completely without error.
> However, since I don't know a lot about the algorithm and the
> implementation, I don't want to risk using this interface by commenting out
> those lines.
>
> I executed the ruby script in tests folder and that worked fine. I am using
> gcc 4.9.2 and gfortran 4.9.2 to compile the library and the example code. I
> have tried using this library with ubuntu and redhat systems with different
> gcc compilers and they all seem to fail with this example.
>
> Since the problem seems to be with a pointer assignment, I wondering if
> there is any major memory leak/wrong memory access that I am unable to see.
> It would be great if someone can address this issue soon.
>
> Thanks,
> -
> Navaneeth
> Caltech
>
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-- 
Atsushi Togo
http://atztogo.github.com/
atz...@gm...