[Cfp-interest 2637] Re: Hex string input

[Vincent Lefevre]

On 2023-01-27 06:51:31 -0800, Fred J. Tydeman wrote:
> Does IEEE-754-2019 require hexadecimal string input when the result
> is a decimal formats?

No, here's what is required with character sequences:

  Implementations shall provide conversions between each supported
  binary format and external decimal character sequences [...]

  Implementations shall provide exact conversions from each supported
  decimal format to external decimal character sequences, and shall
  provide conversions back [...]

  Implementations shall provide exact conversions from each supported
  binary format to external character sequences representing numbers
  with hexadecimal digits for the significand, and shall provide
  conversions back [...]

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