anced.
Thanks,
YuaoFrom a3d6e00f3c3a2268ea1af1ef57c381f3ed43dcae Mon Sep 17 00:00:00 2001
From: Yuao Ma
Date: Wed, 20 Aug 2025 01:03:47 +0800
Subject: [PATCH] libgfortran: add fallback for trigonometric pi-based
functions
This patch introduces a fallback implementation for pi-based trigonometric
func
On 8/6/2025 5:05 AM, Joseph Myers wrote:
On Tue, 5 Aug 2025, Yuao Ma wrote:
On 8/5/2025 4:05 AM, Joseph Myers wrote:
On Sun, 3 Aug 2025, Yuao Ma wrote:
By the way, could you please take another look at the libquadmath update?
https://inbox.sourceware.org/fortran/kl1pr0601mb4291e1457dc09f
On Tue, 5 Aug 2025, Yuao Ma wrote:
> On 8/5/2025 4:05 AM, Joseph Myers wrote:
> > On Sun, 3 Aug 2025, Yuao Ma wrote:
> >
> > > By the way, could you please take another look at the libquadmath update?
> > >
> > > https://inbox.sourceware.org/fortran/kl1pr0601mb4291e1457dc09fe3aa6652c884...@kl1pr
On 8/5/2025 4:05 AM, Joseph Myers wrote:
On Sun, 3 Aug 2025, Yuao Ma wrote:
By the way, could you please take another look at the libquadmath update?
https://inbox.sourceware.org/fortran/kl1pr0601mb4291e1457dc09fe3aa6652c884...@kl1pr0601mb4291.apcprd06.prod.outlook.com/
Using the script
On Sun, 3 Aug 2025, Yuao Ma wrote:
> By the way, could you please take another look at the libquadmath update?
>
> https://inbox.sourceware.org/fortran/kl1pr0601mb4291e1457dc09fe3aa6652c884...@kl1pr0601mb4291.apcprd06.prod.outlook.com/
>
> This update uses a script to transform glibc's implement
On 7/31/2025 1:45 AM, Joseph Myers wrote:
On Sun, 6 Jul 2025, Yuao Ma wrote:
+#ifndef HAVE_COSPI
+#define HAVE_COSPI 1
+double cospi (double);
+
+double
+cospi (double x)
+{
+ return cos (x * pihi_d + x * pilo_d);
For reasonable results for large x you should first reduce mod 2 to the
ran
On Sun, 6 Jul 2025, Yuao Ma wrote:
> +#ifndef HAVE_COSPI
> +#define HAVE_COSPI 1
> +double cospi (double);
> +
> +double
> +cospi (double x)
> +{
> + return cos (x * pihi_d + x * pilo_d);
For reasonable results for large x you should first reduce mod 2 to the
range [-1, 1] (or reduce mod 1 and
On 7/8/2025 2:03 AM, Steve Kargl wrote:
On Sun, Jul 06, 2025 at 09:09:53PM +0800, Yuao Ma wrote:
Hi Tobias,
On 7/6/2025 6:34 PM, Tobias Burnus wrote:
As that commit is from 2020 and 2.69 in from 2012, it seems as if your
autoconf is too new. Can you re-check that the right version is at the
On Sun, Jul 06, 2025 at 09:09:53PM +0800, Yuao Ma wrote:
> Hi Tobias,
>
> On 7/6/2025 6:34 PM, Tobias Burnus wrote:
> > As that commit is from 2020 and 2.69 in from 2012, it seems as if your
> > autoconf is too new. Can you re-check that the right version is at the
> > beginning of the PATH?
> >
rsion to create a new patch. Hope this looks good
to you.
YuaoFrom 2d62a2f707e43f37b4d886b7ed3aa40f2ab62437 Mon Sep 17 00:00:00 2001
From: Yuao Ma
Date: Sun, 6 Jul 2025 20:55:08 +0800
Subject: [PATCH] libgfortran: add fallback for trigonometric pi-based
functions
This patch introduces a fal
On Sunday, July 6, 2025, Yuao Ma wrote:
>>> Since I don't have root/sudo permissions on my devbox, I manually
downloaded
>>> and compiled the autoconf 2.69 tarball. This means there might be some
minor
>>> discrepancies compared to the version shipped with OS distributions.
In principle, having a
On 7/6/2025 12:49 PM, Steve Kargl wrote:
On Sun, Jul 06, 2025 at 08:43:06AM +0800, Yuao Ma wrote:
Hi Steve,
On 7/6/2025 12:25 AM, Steve Kargl wrote:
On Sat, Jul 05, 2025 at 05:20:02PM +0800, Yuao Ma wrote:
diff --git a/libgfortran/configure b/libgfortran/configure
index 9898a94a372..971f1e
On Sun, Jul 06, 2025 at 08:43:06AM +0800, Yuao Ma wrote:
> Hi Steve,
>
> On 7/6/2025 12:25 AM, Steve Kargl wrote:
> > On Sat, Jul 05, 2025 at 05:20:02PM +0800, Yuao Ma wrote:
> > > diff --git a/libgfortran/configure b/libgfortran/configure
> > > index 9898a94a372..971f1e9df5e 100755
> > > --- a/li
Hi Steve,
On 7/6/2025 12:25 AM, Steve Kargl wrote:
On Sat, Jul 05, 2025 at 05:20:02PM +0800, Yuao Ma wrote:
diff --git a/libgfortran/configure b/libgfortran/configure
index 9898a94a372..971f1e9df5e 100755
--- a/libgfortran/configure
+++ b/libgfortran/configure
@@ -16413,7 +16413,7 @@ else
On Sat, Jul 05, 2025 at 05:20:02PM +0800, Yuao Ma wrote:
>
> diff --git a/libgfortran/configure b/libgfortran/configure
> index 9898a94a372..971f1e9df5e 100755
> --- a/libgfortran/configure
> +++ b/libgfortran/configure
> @@ -16413,7 +16413,7 @@ else
> We can't simply define LARGE_OFF_T to b
: add fallback for trigonometric pi-based
functions
This patch introduces a fallback implementation for pi-based trigonometric
functions, ensuring broader compatibility and robustness. The new
implementation supports float, double, and long double data types. Accordingly,
the test cases for r4 and r8
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