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    Just skimmed this link and the linked ‘dtoa.c’ in the comments led me on a path of discovery…

    First: Whoa, 6202 lines of code for this

    Then trying to find out more: https://stackoverflow.com/questions/3173056/why-does-dtoa-c-contain-so-much-code

    Then I found the changelog: http://www.netlib.org/fp/changes

    And it went from June 1991 (where this file might not even have been brand new) to the last update in April of 2018.