On Wed, Nov 13, 2024 at 05:33:20PM +0100, Thomas Koenig wrote:
> Am 13.11.24 um 15:55 schrieb Toon Moene:
> >
> > Since the Fortran 95 Standard it does (in the current Standard: 7.4.3.2
> > Real type):
> >
> > The real type includes a zero value. Processors that distinguish between
> > positive a
> So, I think we could ignore signed zeros (from the Fortran standard
> perspective)
>
> - for complex arithmetic, always
> - for real arithmetic, if none of the IEEE modules is USEd
That seems like a very backward-incompatible change to introduce :(
I might break a lot of existing codes.
FX
Am 13.11.24 um 15:55 schrieb Toon Moene:
Since the Fortran 95 Standard it does (in the current Standard: 7.4.3.2
Real type):
The real type includes a zero value. Processors that distinguish between
positive and negative zeros shall treat them as mathematically equivalent
• in all intrinsic
On 11/13/24 15:40, Richard Biener wrote:
On Wed, Nov 13, 2024 at 3:21 PM Toon Moene wrote:
On 11/13/24 15:12, Richard Biener wrote:
On Wed, Nov 13, 2024 at 3:05 PM Thomas Koenig wrote:
Hello world,
J3, the US Fortran standards committee, has passed
https://j3-fortran.org/doc/year/24/24-1
On Wed, Nov 13, 2024 at 3:21 PM Toon Moene wrote:
>
> On 11/13/24 15:12, Richard Biener wrote:
>
> > On Wed, Nov 13, 2024 at 3:05 PM Thomas Koenig wrote:
> >>
> >> Hello world,
> >>
> >> J3, the US Fortran standards committee, has passed
> >> https://j3-fortran.org/doc/year/24/24-179.txt
> >> whi
On 11/13/24 15:12, Richard Biener wrote:
On Wed, Nov 13, 2024 at 3:05 PM Thomas Koenig wrote:
Hello world,
J3, the US Fortran standards committee, has passed
https://j3-fortran.org/doc/year/24/24-179.txt
which states (with a bit of an overabundance of
clarity) that, in Fortran, it is possibl
On Wed, Nov 13, 2024 at 3:05 PM Thomas Koenig wrote:
>
> Hello world,
>
> J3, the US Fortran standards committee, has passed
> https://j3-fortran.org/doc/year/24/24-179.txt
> which states (with a bit of an overabundance of
> clarity) that, in Fortran, it is possible special-case
> complex multipli
Hello world,
J3, the US Fortran standards committee, has passed
https://j3-fortran.org/doc/year/24/24-179.txt
which states (with a bit of an overabundance of
clarity) that, in Fortran, it is possible special-case
complex multiplication when one of the numbers is known
to have a zero component, fo
