loadmesh option is not working for 2D polycrystals

[rquey]

Discussed in #521

^{Originally posted by shahul31 July 20, 2022}
Hello,

Thank you for the update about loadmesh options, which is really helpful. It is working good in 3D, but this option is not working with 2D case! It fails like this below, it is the same for '-statelset' also in 2D.

shahul@shahul-VirtualBox:~/Neper/FEPX_results/8_Test$ neper -M -loadmesh test50_2D.msh -format inp

======================== N e p e r =======================
Info : A software package for polycrystal generation and meshing.
Info : Version 4.4.2-33
Info : Built with: gsl|muparser|opengjk|openmp|nlopt|libscotch (full)
Info : Running on 4 threads.
Info : https://neper.info
Info : Copyright (C) 2003-2022, and GNU GPL'd, by Romain Quey.
Info : ---------------------------------------------------------------
Info : MODULE -M loaded with arguments:
Info : [ini file] (none)
Info : [com line] -loadmesh test50_2D.msh -format inp
Info : ---------------------------------------------------------------
Info : Reading input data...
Info : - Reading arguments...
Info : Loading input data...
Info : Loading result mesh...
Info : [i] Parsing file test50_2D.msh'... Info : [i] Parsed file test50_2D.msh'.
Info : - Reconstructing mesh...
Error : You have discovered a bug in Neper! Please file an issue at
https://github.com/rquey/neper/issues. Thank you.

Aborted (core dumped)