On Friday, 30 June 2017 at 16:21:18 UTC, kinke wrote:
CTFE only (incl. parsing of literals). Just make sure you don't happen to call a std.math function only accepting reals; I don't know how many of those are still around.
Oh, apparently most still are. There are even some mean overloads for double/float only casting and forwarding to the `real` implementation.