From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: from second.openwall.net (second.openwall.net [193.110.157.125]) by inbox.vuxu.org (Postfix) with SMTP id 06C7927338 for ; Sun, 10 Mar 2024 21:00:53 +0100 (CET) Received: (qmail 25705 invoked by uid 550); 10 Mar 2024 19:56:46 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 25670 invoked from network); 10 Mar 2024 19:56:45 -0000 Date: Sun, 10 Mar 2024 21:00:40 +0100 From: Szabolcs Nagy To: musl@lists.openwall.com Message-ID: <20240310200040.GF1884416@port70.net> Mail-Followup-To: musl@lists.openwall.com MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: [musl] [PATCH] complex: fix comment in cacosh The principal experssions defining acosh and acos are such that acosh(z) = +-i acos(z) where the + is only true on the Im(z)>0 half of the complex plane (and partly on Im(z)==0 depending on number representation). fix the comment without expanding on the details. --- src/complex/cacosh.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/complex/cacosh.c b/src/complex/cacosh.c index 76127f75..586328ce 100644 --- a/src/complex/cacosh.c +++ b/src/complex/cacosh.c @@ -1,6 +1,6 @@ #include "complex_impl.h" -/* acosh(z) = i acos(z) */ +/* acosh(z) = +-i acos(z) */ double complex cacosh(double complex z) { -- 2.43.0