On Thu, 13 Feb 2020 at 23:34, Timothy Wrona wrote: > I am concerned that if I go down this path and become dependent on these > non-conforming features, support for this functionality may be dropped in a > future release of gcc. Is there any way I can get more information on plans > for future support of constexpr math functions in gcc? There are no plans. I think it's very unlikely that constexpr support will decrease. The trend has been in the opposite direction, to make every function in the standard library usable in constant expressions. I heard a suggestion to require implementations to add constexpr to <cmath> functions just the other day.
