git: 4fcc58afbff9 - main - msun: document that {sin,cos,tan}pi(3) follow C23

The branch main has been updated by fuz:

URL: https://cgit.FreeBSD.org/src/commit/?id=4fcc58afbff924293c721f4c4056bb7f94580f22

commit 4fcc58afbff924293c721f4c4056bb7f94580f22
Author:     Robert Clausecker <fuz@FreeBSD.org>
AuthorDate: 2025-11-17 17:10:56 +0000
Commit:     Robert Clausecker <fuz@FreeBSD.org>
CommitDate: 2025-11-17 17:18:46 +0000

    msun: document that {sin,cos,tan}pi(3) follow C23
    
     - also use new .St -ieee754-2008 request in *pi.3
    
    Reviewed by:    imp
    Approved by     markj (mentor)
    See also:       D53784
    Differential Revision:  https://reviews.freebsd.org/D53783
---
 lib/msun/man/cospi.3 | 13 +++++--------
 lib/msun/man/sinpi.3 | 12 +++++-------
 lib/msun/man/tanpi.3 | 13 +++++--------
 3 files changed, 15 insertions(+), 23 deletions(-)

diff --git a/lib/msun/man/cospi.3 b/lib/msun/man/cospi.3
index 86e63fb77498..92b449832112 100644
--- a/lib/msun/man/cospi.3
+++ b/lib/msun/man/cospi.3
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd April 1, 2017
+.Dd November 16, 2025
 .Dt COSPI 3
 .Os
 .Sh NAME
@@ -92,12 +92,9 @@ The half\(encycle trignometric functions were written by
 .An Steven G. Kargl Aq Mt kargl@FreeBSD.org .
 .Sh STANDARDS
 These functions conform to
-IEEE Std 754\(tm\(en2008 ,
-\(dqIEEE Standard for Floating-Point Arithmetic\(dq
-and to
-ISO/IEC TS 18661-4 ,
+.St -ieee754-2008 ,
+to ISO/IEC TS 18661-4,
 \(dqInformation technology \(em Programming languages, their environments,
 and system software interfaces \(em Floating\(enpoint extensions for
-C\(dq \(em Part 4: Supplementary functions.
-
-
+C\(dq \(em Part 4: Supplementary functions, and to
+.St -isoC-2023 .
diff --git a/lib/msun/man/sinpi.3 b/lib/msun/man/sinpi.3
index 63a1e3010de5..9d64e9d343a7 100644
--- a/lib/msun/man/sinpi.3
+++ b/lib/msun/man/sinpi.3
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd April 1, 2017
+.Dd November 16, 2025
 .Dt SINPI 3
 .Os
 .Sh NAME
@@ -86,11 +86,9 @@ The half\(encycle trignometric functions were written by
 .An Steven G. Kargl Aq Mt kargl@FreeBSD.org .
 .Sh STANDARDS
 These functions conform to
-IEEE Std 754\(tm\(en2008 ,
-\(dqIEEE Standard for Floating-Point Arithmetic\(dq
-and to
-ISO/IEC TS 18661-4 ,
+.St -ieee754-2008 ,
+to ISO/IEC TS 18661-4,
 \(dqInformation technology \(em Programming languages, their environments,
 and system software interfaces \(em Floating\(enpoint extensions for
-C\(dq \(em Part 4: Supplementary functions.
-
+C\(dq \(em Part 4: Supplementary functions, and to
+.St -isoC-2023 .
diff --git a/lib/msun/man/tanpi.3 b/lib/msun/man/tanpi.3
index b11d54031b71..183240418e76 100644
--- a/lib/msun/man/tanpi.3
+++ b/lib/msun/man/tanpi.3
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd April 1, 2017
+.Dd November 16, 2025
 .Dt TANPI 3
 .Os
 .Sh NAME
@@ -88,12 +88,9 @@ The half\(encycle trignometric functions were written by
 .An Steven G. Kargl Aq Mt kargl@FreeBSD.org .
 .Sh STANDARDS
 These functions conform to
-IEEE Std 754\(tm\(en2008 ,
-\(dqIEEE Standard for Floating-Point Arithmetic\(dq
-and to
-ISO/IEC TS 18661-4 ,
+.St -ieee754-2008 ,
+to ISO/IEC TS 18661-4,
 \(dqInformation technology \(em Programming languages, their environments,
 and system software interfaces \(em Floating\(enpoint extensions for
-C\(dq \(em Part 4: Supplementary functions.
-
-
+C\(dq \(em Part 4: Supplementary functions, and to
+.St -isoC-2023 .