RFC: TS 18661-3 and related floating-point interfaces

[Zack Weinberg]

On Tue, Jan 17, 2017 at 8:26 AM, Joseph Myers <joseph@codesourcery.com> wrote:
> On Mon, 16 Jan 2017, Zack Weinberg wrote:
>> > Any comments on this proposal regarding inclusion of TS 18661-3
>> > functions and similar functions for the new types in glibc?
>>
>> New math functions should not set errno.
>
> New functions should set errno in accordance with the documented error
> handling conventions and the value of math_errhandling

... which should be changed as necessary to reflect the principle that
new math functions do not set errno.  Math functions setting errno was
a design mistake which should not be continued.

If you disagree with this principle, please give a concrete reason
_other than_ continuity.

zw