forked from 1b-agent/fieldcraft-upstream
The platform maths libraries' atan2 and cbrt differ in the last bits between macOS and glibc, so the dihedral angles and the shape measure a mesh reports did too. The crate's own versions use + - * / and sqrt only (correctly rounded everywhere) and agree with the platform's to a few ulps. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo