Speed up marching_tets #927
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Using raw indexing is slower than using index_select, and flip also creates an unnecessary copy. I found that this speeds up marching_tetrahedra by a small margin, so thought it was worth merging upstream. Signed-off-by: Julian Knodt <julianknodt@gmail.com>
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Using raw indexing is slower than using index_select, and flip also creates an unnecessary copy. I found that this speeds up marching_tetrahedra by a small margin, so thought it was worth merging upstream.