degenerated triangle created during tetraremeshing #9116
Description
cf:
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- Tetrahedral_remeshing/ProgramOutput.execution of test_tetrahedral_remeshing
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CGAL::Random()::get_seed() = 1761791917
CGAL Random seed = 1761791917
valid data structure
valid triangulation
Tetrahedral remeshing (nb_iter = 1, protect = false)
Init tetrahedral remeshing...done.
# Iteration 1 #
Split long edges... done (4186 splits, in 0.0740721 sec).
Collapse short edges... done (1 collapses, in 0.0371809 seconds).
Flip edges...
Flip edges... done (29/6105 surface/volume flips done, in 0.467208 seconds).
Smooth vertices...terminate called after throwing an instance of 'CGAL::Assertion_exception'
what(): CGAL ERROR: assertion violation!
File: /mnt/testsuite/include/CGAL/Intersections_3/internal/Ray_3_Triangle_3_intersection.h
Line: 382
I tried locally with this seed but could not reproduce. The intersection code seems to indicate that the tested triangle is degenerate.