On Fri, 26 Jan 2024 at 23:52, Joseph Myers <josmyers_at_[hidden]> wrote:

> On Fri, 26 Jan 2024, Jonathan Wakely via Liaison wrote:
>
> > - New library headers <stdbit.h> and <stdckdint.h>.
> > The former would come along with _BitInt if we add that to the core
> > language, and should be explicitly noted as absent otherwise.
>
> <stdbit.h> has nothing to do with _BitInt; indeed, _BitInt isn't supported
> by the type-generic macros there in C23 except when the width matches a
> standard or extended integer type.
>
> Presumably you won't want type-generic macros from <stdbit.h> in C++ (but
> might want a more C++-like type-generic interface).
>

Oh right, they're the C versions of <bit> which we already have.



>
> Not specifically mentioned in your list of features:
>
> * binary integers support in strtol functions (base 0 and 2 allowing 0b/0B
> prefix) as well as in printf/scanf.
>
> * strftime %OB, %Ob (alternative month name).
>
> * timegm.
>
> * free_sized, free_aligned_sized.
>
> * memalignment.
>
> * (Qualifier-preserving macros for standard library functions correspond
> to something C++ has had for a long time.)
>
> * New <math.h> minimum/maximum functions from IEEE 754-2019.
>
> * New <math.h> (and <fenv.h> and elsewhere) functions and macros from TS
> 18661-1.
>
> * New library functions and macros (<math.h> and elsewhere) from TS
> 18661-3 (mostly _FloatN etc. versions of those present for other types,
> but a few others as well).
>
> * New <math.h> functions and macros from TS 18661-4 (note that the
> reduction functions weren't integrated in C23).
>
> --
> Joseph S. Myers
> josmyers_at_[hidden]
>
>