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Fix to_chars_static buffer size #1026

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@johnmcfarlane johnmcfarlane force-pushed the fix-to_chars_static-buffer-size branch 7 times, most recently from 5f75b2a to d35f5a8 Compare January 30, 2022 11:04
@johnmcfarlane johnmcfarlane force-pushed the fix-to_chars_static-buffer-size branch from d35f5a8 to e6df31b Compare May 25, 2022 23:59
John McFarlane added 2 commits May 27, 2022 22:58
- assumed decimal
- sometimes got it wrong
- potentially got it badly wrong
- now uses lookup table to ensure the right number of characters to
  represent in integer of a given number of binary digits
- table generator: https://godbolt.org/z/sYc7v185T
- correctness: ~95%
- probably of causing buffer overrun: < 1%
@johnmcfarlane johnmcfarlane force-pushed the fix-to_chars_static-buffer-size branch from e6df31b to e5a6d2c Compare May 27, 2022 21:58
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