fix 0 length and determinant

AprilRobotics / apriltag

AprilTag is a visual fiducial system popular for robotics research.

https://april.eecs.umich.edu/software/apriltag

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Closed christian-rauch closed 4 months ago

christian-rauch commented 5 months ago

This correctly checks for 0 length and determinant and avoids division by zero issues. Supersedes https://github.com/AprilRobotics/apriltag/pull/213 (@jrepp) and fixes https://github.com/AprilRobotics/apriltag/issues/72.

jrepp commented 5 months ago

👍