correctly rounded mathematical functions

Joel Sherrill
Thu Jan 6 14:51:40 GMT 2022

On Thu, Jan 6, 2022 at 4:12 AM Paul Zimmermann <> wrote:
>        Dear Joel,
> > I hate to ask since I know this is unrelated but what is the best source for
> > properly licensed and accurate long double methods. I am still hoping that
> > part of an RTEMS GSoC project is to merge them from somewhere into
> > newlib.
> as far as I know, four libraries provide long double functions:
> GNU libc, Intel Math Library, OpenLibm and Musl. See Table 11 from

Is the FreeBSD long double support related to any of those libraries?

Any comments on their implementation?

> And of course we also plan to provide (correctly rounded) long double
> functions, acos and cbrt are already available on the CORE-MATH page.
> > And I'm thrilled at all the autoconf/automake work. That has really
> > been a challenge
> > for students.
> Best regards,
> Paul

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