[gnuastro-devel] [bug #49588] Segfault in mesh interpolation

[Mohammad Akhlaghi]

URL:
  <http://savannah.gnu.org/bugs/?49588>

                 Summary: Segfault in mesh interpolation
                 Project: GNU Astronomy Utilities
            Submitted by: makhlaghi
            Submitted on: Sat 12 Nov 2016 05:25:04 AM JST
                Category: NoiseChisel
                Severity: 4 - Important
              Item Group: Crash
                  Status: In Progress
                 Privacy: Public
             Assigned to: makhlaghi
             Open/Closed: Open
         Discussion Lock: Any

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Details:

This bug was reported by Nicolas Bouché.

When the input image is very small (about the same size as the mesh grid),
then there will only be one mesh and NoiseChisel (which uses the mesh library)
gives a segmentation fault:


$ astnoisechisel img.fits
NoiseChisel started on Thu Nov 10 21:00:12 2016
  - Using 4 CPU threads.
  - Input: img.fits (hdu: 0)
  - Kernel: FWHM=2 pixel Gaussian.
  - Convolved with kernel.                        0.000716 seconds
  - Starting to find initial detections.
Segmentation fault 





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