From nobody Thu Nov 27 17:31:11 2025 X-Original-To: numerics@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4dHNkn5JWyz6HhLv for ; Thu, 27 Nov 2025 17:31:13 +0000 (UTC) (envelope-from fuz@fuz.su) Received: from fuz.su (fuz.su [IPv6:2001:41d0:8:e508::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "fuz.su", Issuer "fuz.su" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dHNkn1wvLz4LjW for ; Thu, 27 Nov 2025 17:31:13 +0000 (UTC) (envelope-from fuz@fuz.su) Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of fuz@fuz.su designates 2001:41d0:8:e508::1 as permitted sender) smtp.mailfrom=fuz@fuz.su Received: from fuz.su (localhost [127.0.0.1]) by fuz.su (8.18.1/8.18.1) with ESMTPS id 5ARHVBw6059359 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO) for ; Thu, 27 Nov 2025 18:31:12 +0100 (CET) (envelope-from fuz@fuz.su) Received: (from fuz@localhost) by fuz.su (8.18.1/8.18.1/Submit) id 5ARHVBg0059358 for numerics@freebsd.org; Thu, 27 Nov 2025 18:31:11 +0100 (CET) (envelope-from fuz) Date: Thu, 27 Nov 2025 18:31:11 +0100 From: Robert Clausecker To: numerics@freebsd.org Subject: C23 support for libm Message-ID: List-Id: Discussions of high quality implementation of libm functions List-Archive: https://lists.freebsd.org/archives/freebsd-numerics List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-numerics@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.30 / 15.00]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_SPF_ALLOW(-0.20)[+a:c]; MIME_GOOD(-0.10)[text/plain]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; ASN(0.00)[asn:16276, ipnet:2001:41d0::/32, country:FR]; MIME_TRACE(0.00)[0:+]; FREEFALL_USER(0.00)[fuz]; MISSING_XM_UA(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; MLMMJ_DEST(0.00)[numerics@freebsd.org]; DMARC_NA(0.00)[fuz.su]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[numerics@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_LAST(0.00)[]; RCPT_COUNT_ONE(0.00)[1] X-Rspamd-Queue-Id: 4dHNkn1wvLz4LjW Greetings! I have started a project page [1] to track our effort to support C23 on FreeBSD. Many new and exciting libm functions were added in this standard revision, and it seems like so far we only have {sin,cos,tan}pi{,f,l}() implemented (thanks to kargl for the work!) If anybody is interested in working on this, please let me know. I am not an expert in numerical programming, but will try ot look into adding some of these if nobody else comes forth. Yours, Robert Clausecker [1]: https://wiki.freebsd.org/C23 -- () ascii ribbon campaign - for an encoding-agnostic world /\ - against html email - against proprietary attachments