On Thu, Jan 06, 2022 at 09:01:54PM +0100, Thomas Koenig wrote:
> On 06.01.22 06:00, Michael Meissner via Fortran wrote:
> > I pushed the patch to the branch.
>
> Test results are looking quite good right now.
>
> What is still missing is the conversion for unformatted I/O, both
> ways. I'll start doing some stuff on it. Just one question:
> What are functions that I can use to convert from IBM long double
> to IEEE and long double and vice versa? It was in an e-mail somewhere,
> but I cannot find it at the moment.
Under the hood __extendkftf2 and __trunctfkf2, as can be seen on:
__ibm128 foo (__float128 x) { return x; }
__float128 bar (__ibm128 x) { return x; }
But, I really don't think libgfortran should call those by hand, just
use C casts, (GFC_REAL_17) var_with_GFC_REAL_16_type or
(GFC_REAL_16) var_with_GFC_REAL_17_type.
Jakub
