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commit cc1bd2d2d9f81e6c24d68c0d314ea7e965d08ff5
Author:     Lucas CHOLLET <lucas.chollet@free.fr>
AuthorDate: Fri Jun 23 19:01:03 2023 -0400
Commit:     Jelle Raaijmakers <jelle@gmta.nl>
CommitDate: Sun Jun 25 00:22:21 2023 +0200

    LibGfx/JPEG: Use a look-up table for cosine values
    
    This solution is a middle ground between re-computing `cos` every time
    and a much more mathematically complicated approach (as we have in the
    decoder).
    
    While still being far from optimal it already gives us a 10x
    improvement, not that bad :^)
    
    Co-authored-by: Tim Flynn <trflynn89@pm.me>