Somewhat naive question: There is this horrible horrible x86 extended precision. Does julia ever use this?
See e.g. http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/, http://www.exploringbinary.com/why-volatile-fixes-the-2-2250738585072011e-308-bug/. Is there anything I need to do to be safe from this? I have never seen julia emit the 80 bit stuff; I guess it is never used, but I’d be happy about reassurance.
Context: I have a pure inlined float function; I need it to reliably produce identical outputs, regardless of context where it is inlined in (and I already make sure that I never use it from a @fastmath context).