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{ "id": 27481, "url": "https://patchwork.libcamera.org/api/patches/27481/?format=api", "web_url": "https://patchwork.libcamera.org/patch/27481/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260723154327.1357866-32-barnabas.pocze@ideasonboard.com>", "date": "2026-07-23T15:43:14", "name": "[RFC,v2,31/43] ipa: libipa: histogram: Add `operator[]` to query bin", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1bebb4a5d32cb2fa6744e806d7564247f1ada7ae", "submitter": { "id": 216, "url": "https://patchwork.libcamera.org/api/people/216/?format=api", "name": "Barnabás Pőcze", "email": "barnabas.pocze@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/27481/mbox/", "series": [ { "id": 6075, "url": "https://patchwork.libcamera.org/api/series/6075/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=6075", "date": "2026-07-23T15:42:43", "name": "ipa: libipa: agc rework", "version": 2, "mbox": "https://patchwork.libcamera.org/series/6075/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/27481/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/27481/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 2D161C3303\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 23 Jul 2026 15:44:18 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id D8BE567F47;\n\tThu, 23 Jul 2026 17:44:17 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 8630667ECD\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 23 Jul 2026 17:43:38 +0200 (CEST)", "from pb-laptop.local (185.182.215.156.nat.pool.zt.hu\n\t[185.182.215.156])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 9A97723B9\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 23 Jul 2026 17:42:37 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"QRfz/BTY\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1784821357;\n\tbh=2kiikFk3037quxt7ucPm4CXAxdeytL1/WZOa4jGuNEY=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=QRfz/BTYS8hywYKRipActou6YRg2fGVwmrPzp11OVTN4DXVItZzjhvbGzc/D1IexY\n\te7M+sqn7Crfe4naS6HC7dWYa0AF/Suy95nIG6xN4l1g9nweRZZjHj69rtLQaioHI3H\n\txGza+UBRQwqOukGqPE8FjbVT2UvBndTuaCP3BTNI=", "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <barnabas.pocze@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Subject": "[RFC PATCH v2 31/43] ipa: libipa: histogram: Add `operator[]` to\n\tquery bin", "Date": "Thu, 23 Jul 2026 17:43:14 +0200", "Message-ID": "<20260723154327.1357866-32-barnabas.pocze@ideasonboard.com>", "X-Mailer": "git-send-email 2.55.0", "In-Reply-To": "<20260723154327.1357866-1-barnabas.pocze@ideasonboard.com>", "References": "<20260723154327.1357866-1-barnabas.pocze@ideasonboard.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "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>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Add an `operator[]` that takes an integral bin number and returns\nthe count pertaining to that specific bin.\n\nSigned-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>\n---\n src/ipa/libipa/histogram.cpp | 6 ++++++\n src/ipa/libipa/histogram.h | 7 +++++++\n 2 files changed, 13 insertions(+)", "diff": "diff --git a/src/ipa/libipa/histogram.cpp b/src/ipa/libipa/histogram.cpp\nindex bcf2639082..2f91ffb6d7 100644\n--- a/src/ipa/libipa/histogram.cpp\n+++ b/src/ipa/libipa/histogram.cpp\n@@ -74,6 +74,12 @@ Histogram::Histogram(Span<const uint32_t> data)\n * \\return Number of values\n */\n \n+/**\n+ * \\fn Histogram::operator[](size_t bin) const\n+ * \\brief Retrieve the value for \\a bin\n+ * \\return The value in \\a bin, or 0 if \\a bin is out of range\n+ */\n+\n /**\n * \\brief Cumulative frequency up to a (fractional) point in a bin\n * \\param[in] bin The bin up to which to cumulate\ndiff --git a/src/ipa/libipa/histogram.h b/src/ipa/libipa/histogram.h\nindex 0c02dda2ba..b3f59b7c31 100644\n--- a/src/ipa/libipa/histogram.h\n+++ b/src/ipa/libipa/histogram.h\n@@ -42,6 +42,13 @@ public:\n \tdouble quantile(double q, uint32_t first = 0, uint32_t last = UINT_MAX) const;\n \tdouble interQuantileMean(double lowQuantile, double hiQuantile) const;\n \n+\tuint32_t operator[](size_t bin) const\n+\t{\n+\t\treturn bin < bins()\n+\t\t\t? cumulative_[bin + 1] - cumulative_[bin]\n+\t\t\t: 0;\n+\t}\n+\n private:\n \tstd::vector<uint64_t> cumulative_;\n };\n", "prefixes": [ "RFC", "v2", "31/43" ] }