Raises a warning if remeshing fails due to wrong Gmsh file #283
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With this PR, an exception is raised in the function
cashocs.io.write_out_mesh
(which is used for remeshing), if the currently loaded mesh (in python) and the one defined in the Gmsh file are not compatible.The code only checks, if the number of vertices is identical. We could, in the future, also check for the number of cells. But this is more complicated and most of the time also not needed.
Closes #253