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1. Embed this notice
   Steve Canon (steve@discuss.systems)'s status on Saturday, 22-Feb-2025 10:31:50 JST Steve Canon

   @jrose because then copysign/abs/negate could produce a sNaN result from qNaN input, contra clause 5 norms.

   (Or else wouldn’t just be bitwise ops, also undesirable)

   • Embed this notice
     Rich Felker (dalias@hachyderm.io)'s status on Saturday, 22-Feb-2025 10:31:49 JST Rich Felker

     in reply to

     @steve @jrose This. 👆

     Better question: why does sNaN exist? 🙃

   • Embed this notice
     Rich Felker (dalias@hachyderm.io)'s status on Saturday, 22-Feb-2025 10:32:55 JST Rich Felker

     in reply to

     @steve @jrose 🤦

   • Embed this notice
     Steve Canon (steve@discuss.systems)'s status on Saturday, 22-Feb-2025 10:32:56 JST Steve Canon

     in reply to

     • Rich Felker

     @dalias @jrose because velvel wanted to use it for debugging purposes, roughly

   • Embed this notice
     mx alex tax1a - 2020 (5) (atax1a@infosec.exchange)'s status on Saturday, 22-Feb-2025 10:37:23 JST mx alex tax1a - 2020 (5)

     in reply to

     • Rich Felker

     @dalias @steve @jrose so you could trap on the first exception and set it to quiet and run through the rest of the calculation without trapping

   • Embed this notice
     Rich Felker (dalias@hachyderm.io)'s status on Saturday, 22-Feb-2025 10:37:23 JST Rich Felker

     in reply to

     • mx alex tax1a - 2020 (5)

     @atax1a @steve @jrose Yeah but trapping is such a stupid behavior (not even supported by standard interfaces) to begin with.

   • Embed this notice
     Rich Felker (dalias@hachyderm.io)'s status on Saturday, 22-Feb-2025 10:39:07 JST Rich Felker

     in reply to

     • mx alex tax1a - 2020 (5)

     @atax1a @steve @jrose Clearly the drug of choice for these times.

   • Embed this notice
     mx alex tax1a - 2020 (5) (atax1a@infosec.exchange)'s status on Saturday, 22-Feb-2025 10:39:08 JST mx alex tax1a - 2020 (5)

     in reply to

     • Rich Felker

     @dalias @steve @jrose yeah don't mind us we've just been basting our brain with a bunch of pre-754 IBM manuals