FAST_LIO

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When I am running the same dataset, I output the timestamp, pos, and rot for each frame. At some point in the middle, the values start to differ from the previous dataset. With the same timestamp, the number of lidar points used in each frame, and the time between the first and last frames of the lidar,The timestamps of each IMU frame used were compared and all were normal. But there will still be different results, and this problem was discovered when looking at the final POS output. May I ask what may have caused it?