[Bug 295089] [libm] implementation of rsqrt, rsqrtf, and rsqrtl.

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 17 May 2026 00:30:02 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295089

--- Comment #4 from commit-hook@FreeBSD.org ---
A commit in branch stable/15 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=0093bb670537f19e99fff2d46b4831d7b9d44b4c

commit 0093bb670537f19e99fff2d46b4831d7b9d44b4c
Author:     Steve Kargl <kargl@FreeBSD.org>
AuthorDate: 2026-05-08 14:06:08 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2026-05-17 00:27:48 +0000

    [libm] implementation of rsqrt, rsqrtf, and rsqrtl

    PR:     295089

    (cherry picked from commit 3085fc9d97bd83785ba3ba43e0378d7d67987d1f)

 lib/msun/Makefile             |   6 +-
 lib/msun/Symbol.map           |   3 +
 lib/msun/man/sqrt.3           |  53 ++++++++++-
 lib/msun/src/math.h           |   3 +
 lib/msun/src/math_private.h   |  83 +++++++++++++++++
 lib/msun/src/s_rsqrt.c (new)  | 153 +++++++++++++++++++++++++++++++
 lib/msun/src/s_rsqrtf.c (new) | 155 ++++++++++++++++++++++++++++++++
 lib/msun/src/s_rsqrtl.c (new) | 203 ++++++++++++++++++++++++++++++++++++++++++
 8 files changed, 654 insertions(+), 5 deletions(-)

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