On May 3, 2012, at 1:11 PM, Don wrote: > On 03.05.2012 21:08, Sean Kelly wrote: >> On May 3, 2012, at 8:13 AM, Don Clugston wrote: >> >>> On 03/05/12 16:13, Andrei Alexandrescu wrote: >>>> >>>> >>>> Good ones. In fact I even discounted them from this discussion because >>>> I'd already considered them gone. Walter agreed that I don't mention >>>> them in TDPL, with the intent to have them peter out. >>>> >>>> One good step right now would be to remove NCEG operators from the >>>> online documentation. Later on, we'll consider them an accept-invalid >>>> bug :o). >>> >>> Well, they are also used in druntime, in core.stdc.math >>> >>> BTW I *hate* that module, I don't know why it exists. Even worse, it seems >>> to be growing -- people are adding more things to it. >>> Practically everything in there has a better implementation in std.math. >> >> core.stdc.math corresponds to C99's math.h and is there as a part of the >> standard C interface. It should only contain the required C99 prototypes, >> and in some cases functions if the C implementation is a macro. If there is >> anything nonstandard in there, I'm not aware of it. > > Yes, but why do we have it? We're not C.
Mostly because it was handy to fall back on the C API before Phobos was so well fleshed-out. Today, I think it mostly exists to ease porting of C apps.
