forked from 1b-agent/fieldcraft-upstream
Segment-to-segment overlap of two edges projected along the secondary normal (Yang, Laursen & Meng 2005), three-point Gauss-Legendre with the out-of-plane measure (thickness or 2 pi r) in the weight, over the same Real scalars as faces so the solver gets exact derivatives. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo