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    And perl -Mbigint -pe ... will transparently make it work for huge integers Commented Jun 18 at 7:15
  • Yes, though not for the ones that are constrained to long double by POSIX' strtold(). Commented Jun 18 at 8:21
  • Sure, but I don't see why you even added that section. "Divisible by 4096" makes no sense with floats. Commented Jun 18 at 9:07
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    @pipe, it may still make sense for 0x1p15 or 4.096e+3 which are other representations of integers that are multiple of 4096 and for which we use strtold to interpret. Commented Jun 18 at 9:43
  • @pipe, why not? 8192 is divisible by 4096, while 4000 and 0.5 aren't. 1.25 is divisible by 0.25, while 1.2 and 0.125 aren't. Commented Jun 18 at 11:21