{"id":17697,"url":"https://patchwork.libcamera.org/api/1.1/patches/17697/?format=json","web_url":"https://patchwork.libcamera.org/patch/17697/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20221027055515.321791-7-nicholas@rothemail.net>","date":"2022-10-27T05:55:11","name":"[libcamera-devel,06/10] ipa: replaces abs() with std::abs()","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"f0522321abad622dafc19e4f4c345c32312cbeb1","submitter":{"id":97,"url":"https://patchwork.libcamera.org/api/1.1/people/97/?format=json","name":"Nicolas Dufresne via libcamera-devel","email":"libcamera-devel@lists.libcamera.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/17697/mbox/","series":[{"id":3579,"url":"https://patchwork.libcamera.org/api/1.1/series/3579/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=3579","date":"2022-10-27T05:55:08","name":"[libcamera-devel,01/10] ipa: workaround libcxx duration limitation","version":1,"mbox":"https://patchwork.libcamera.org/series/3579/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/17697/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/17697/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id BD70FC3285\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 27 Oct 2022 05:55:33 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 66ADC62F89;\n\tThu, 27 Oct 2022 07:55:33 +0200 (CEST)","from mail-oa1-x2a.google.com (mail-oa1-x2a.google.com\n\t[IPv6:2001:4860:4864:20::2a])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id AE3B862F76\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 27 Oct 2022 07:55:26 +0200 (CEST)","by mail-oa1-x2a.google.com with SMTP id\n\t586e51a60fabf-13b103a3e5dso702137fac.2\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 26 Oct 2022 22:55:26 -0700 (PDT)","from nroth-pc.attlocal.net\n\t([2600:1700:20:20c0:6406:fc7a:e46d:1666])\n\tby smtp.gmail.com with ESMTPSA id\n\t9-20020a9d0c09000000b00661a05691fasm140021otr.79.2022.10.26.22.55.24\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 26 Oct 2022 22:55:25 -0700 (PDT)"],"DKIM-Signature":["v=1; 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\n\tWed, 26 Oct 2022 22:55:25 -0700 (PDT)","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 27 Oct 2022 00:55:11 -0500","Message-Id":"<20221027055515.321791-7-nicholas@rothemail.net>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20221027055515.321791-1-nicholas@rothemail.net>","References":"<libcamera Android Enhancements>\n\t<20221027055515.321791-1-nicholas@rothemail.net>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 06/10] ipa: replaces abs() with std::abs()","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","From":"Nicholas Roth via libcamera-devel <libcamera-devel@lists.libcamera.org>","Reply-To":"libcamera-devel@lists.libcamera.org","Cc":"nicholas@rothemail.net","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"From: Nicholas Roth <nicholas@rothemail.net>\n\npwl.cpp uses abs() instead of std::abs(), which causes unexpected\nbehavior in the Clang compiler used for Android. Replace with\nC++-standard absolute value function std::abs(), which supports\ndouble-precision absolute values in a standard way.\n\nSigned-off-by: Nicholas Roth <nicholas@rothemail.net>\n---\n src/ipa/raspberrypi/controller/pwl.cpp | 5 +++--\n 1 file changed, 3 insertions(+), 2 deletions(-)","diff":"diff --git a/src/ipa/raspberrypi/controller/pwl.cpp b/src/ipa/raspberrypi/controller/pwl.cpp\nindex c59f5fa1..70c2e24b 100644\n--- a/src/ipa/raspberrypi/controller/pwl.cpp\n+++ b/src/ipa/raspberrypi/controller/pwl.cpp\n@@ -6,6 +6,7 @@\n  */\n \n #include <cassert>\n+#include <cmath>\n #include <stdexcept>\n \n #include \"pwl.h\"\n@@ -168,7 +169,7 @@ Pwl Pwl::compose(Pwl const &other, const double eps) const\n \twhile (thisSpan != (int)points_.size() - 1) {\n \t\tdouble dx = points_[thisSpan + 1].x - points_[thisSpan].x,\n \t\t       dy = points_[thisSpan + 1].y - points_[thisSpan].y;\n-\t\tif (abs(dy) > eps &&\n+\t\tif (std::abs(dy) > eps &&\n \t\t    otherSpan + 1 < (int)other.points_.size() &&\n \t\t    points_[thisSpan + 1].y >=\n \t\t\t    other.points_[otherSpan + 1].x + eps) {\n@@ -181,7 +182,7 @@ Pwl Pwl::compose(Pwl const &other, const double eps) const\n \t\t\t\t points_[thisSpan].y) *\n \t\t\t\t\tdx / dy;\n \t\t\tthisY = other.points_[++otherSpan].x;\n-\t\t} else if (abs(dy) > eps && otherSpan > 0 &&\n+\t\t} else if (std::abs(dy) > eps && otherSpan > 0 &&\n \t\t\t   points_[thisSpan + 1].y <=\n \t\t\t\t   other.points_[otherSpan - 1].x - eps) {\n \t\t\t/*\n","prefixes":["libcamera-devel","06/10"]}