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

[Navaneetha K. <nav...@ca...>]

Hi Atsushi Togo,

Thanks for the prompt action. That resolved the issue.

-Navaneeth

On Sun, Dec 14, 2014 at 9:49 PM, Atsushi Togo <atz...@gm...> wrote:
>
> 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...
>


-- 
Navaneetha Krishnan Ravichandran,
Graduate Student,
Mechanical Engineering,
Caltech.