                   ORIGINAL FILE COPYRIGHT COMMENT:

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 Overflow-safe math functions
 Portable Snippets - https://github.com/nemequ/portable-snippets
 Created by Evan Nemerson <evan@nemerson.com>

   To the extent possible under law, the authors have waived all
   copyright and related or neighboring rights to this code.  For
   details, see the Creative Commons Zero 1.0 Universal license at
   https://creativecommons.org/publicdomain/zero/1.0/
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