On Sunday, 9 December 2018 at 16:32:49 UTC, Nathan S. wrote: > This infallibly determines the precision used for calculations > involving `real` in CTFE: Compiled code shouldn't have to know, it just needs to be sufficiently high. - I'm not so sure about 'infallibly', there's a theoretical chance for the super-duper IBM doubledouble format being used too.