Avoid NaN normals for degenerate triangles#1191

svchb wants to merge 2 commits into

trixi-framework:maintrixi-framework/TrixiParticles.jl:mainfrom

svchb:preprocessing/fix-degenerate-triangle-mesh-normalssvchb/TrixiParticles.jlOpen:preprocessing/fix-degenerate-triangle-mesh-normalsCopy head branch name to clipboard