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Jeremy Reizenstein authored
Summary: Fix divide by zero for empty pointcloud in chamfer. Also for empty batches. In process, needed to regularize num_points_per_cloud for empty batches. Reviewed By: kjchalup Differential Revision: D36311330 fbshipit-source-id: 3378ab738bee77ecc286f2110a5c8dc445960340
c6519f29
