On Thu, Jul 03, 2025 at 02:43:43PM +0200, Michael Matz wrote:
> Hello,
>
> On Thu, 3 Jul 2025, Yuao Ma wrote:
>
> > This patch adds the required function for Fortran trigonometric functions to
> > work with glibc versions prior to 2.26. It's based on glibc source commit
> > 632d895f3e5d98162f77b9
a
Date: Thu, 3 Jul 2025 23:01:38 +0800
Subject: [PATCH] libquadmath: add quad support for trig-pi functions
This function is required for Fortran trigonometric functions with glibc <2.26.
Use glibc commit 632d895f3e5d98162f77b9c3c1da4ec19968b671.
libquadmath/ChangeLog:
* Makefile.am: Add
On Jul 03 2025, Michael Matz wrote:
> Yes. And then the above is multiplied by PI, passed to cos/sin and that
> one then tries to figure out the multiple of PI (i.e. the 'x' above) again
> via range reduction (not a _terribly_ slow one anymore in a good
> implementation, because of the limited
On Thu, 3 Jul 2025, Michael Matz wrote:
> Yes. And then the above is multiplied by PI, passed to cos/sin and that
> one then tries to figure out the multiple of PI (i.e. the 'x' above) again
> via range reduction (not a _terribly_ slow one anymore in a good
> implementation, because of the lim
Hello,
On Thu, 3 Jul 2025, Joseph Myers wrote:
> > > Isn't the whole raison d'etre for the trig-pi functions that the internal
> > > argument reduction against multiples of pi becomes trivial and hence (a)
> > > performant, and (b) doesn't introduce rounding artifacts? Expressing the
> > > tr
On Thu, 3 Jul 2025, Jakub Jelinek wrote:
> > Isn't the whole raison d'etre for the trig-pi functions that the internal
> > argument reduction against multiples of pi becomes trivial and hence (a)
> > performant, and (b) doesn't introduce rounding artifacts? Expressing the
> > trig-pi functions
On Thu, Jul 03, 2025 at 02:43:43PM +0200, Michael Matz wrote:
> Hello,
>
> On Thu, 3 Jul 2025, Yuao Ma wrote:
>
> > This patch adds the required function for Fortran trigonometric functions to
> > work with glibc versions prior to 2.26. It's based on glibc source commit
> > 632d895f3e5d98162f77b9
Hello,
On Thu, 3 Jul 2025, Yuao Ma wrote:
> This patch adds the required function for Fortran trigonometric functions to
> work with glibc versions prior to 2.26. It's based on glibc source commit
> 632d895f3e5d98162f77b9c3c1da4ec19968b671.
>
> I've built it successfully on my end. Documentation
On Thu, Jul 03, 2025 at 12:56:24AM +0800, Yuao Ma wrote:
>
> This patch adds the required function for Fortran trigonometric functions to
> work with glibc versions prior to 2.26. It's based on glibc source commit
> 632d895f3e5d98162f77b9c3c1da4ec19968b671.
>
> I've built it successfully on my en
ake a look when you have a moment.
Best regards,
YuaoFrom 46ed3a1817e87567a7510eb4ca918589afcc9c3c Mon Sep 17 00:00:00 2001
From: Yuao Ma
Date: Thu, 3 Jul 2025 00:40:58 +0800
Subject: [PATCH] libquadmath: add quad support for trig-pi functions
This function is required for Fortran trigonometric
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