> I have been asked to ask WG14 if midpoint and lerp have made it into the
> maths library, and if not, where might the minutes of discussion be
> about why they were rejected?

I don't think they were ever discussed: P0811R3 was adopted before SG22
existed. Aaron Ballman was often kind enough to mention to one group
relevant papers brought before the other, but there wasn't any actual
process.

Davis

-- 
This product is sold by volume, not by mass.  If it appears too dense or 
too sparse, it is because mass-energy conversion has occurred during 
shipping.