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{
    "id": 21958,
    "url": "https://patchwork.libcamera.org/api/patches/21958/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/21958/",
    "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": "<20241118150528.1856797-4-stefan.klug@ideasonboard.com>",
    "date": "2024-11-18T15:05:06",
    "name": "[3/4] libcamera: matrix: Use Span instead of vector for construction",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "fcf6ad1073393a094e903a50abc45654f0f5f956",
    "submitter": {
        "id": 184,
        "url": "https://patchwork.libcamera.org/api/people/184/?format=api",
        "name": "Stefan Klug",
        "email": "stefan.klug@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/21958/mbox/",
    "series": [
        {
            "id": 4797,
            "url": "https://patchwork.libcamera.org/api/series/4797/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4797",
            "date": "2024-11-18T15:05:03",
            "name": "Move Matrix class from libipa to libcamera",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/4797/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/21958/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/21958/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 43185C32DD\n\tfor <parsemail@patchwork.libcamera.org>;\n\tMon, 18 Nov 2024 15:05:54 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id DF5D2658E1;\n\tMon, 18 Nov 2024 16:05:53 +0100 (CET)",
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        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"cp6ql5YZ\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1731942333;\n\tbh=Pg/3Wxik2kWfhP+jATT+k/lGs0CFqo+AsWeTwNj2o/o=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=cp6ql5YZJgvcbmfTYmyAjyKhakBbvFdDuUNuQxpX8QOuTev3VtU5+64N+nIMULt3r\n\tTv73kwxWIlHJxTAlZm3CMmlTY0LUgXMjF45LF1HNoxbFUqSDK2GuTaOOlzTTbvjx3s\n\tFeqRBkvU0M9HelG02sf6zkPECTQA5NOsFD1yiUHc=",
        "From": "Stefan Klug <stefan.klug@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Stefan Klug <stefan.klug@ideasonboard.com>",
        "Subject": "[PATCH 3/4] libcamera: matrix: Use Span instead of vector for\n\tconstruction",
        "Date": "Mon, 18 Nov 2024 16:05:06 +0100",
        "Message-ID": "<20241118150528.1856797-4-stefan.klug@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.43.0",
        "In-Reply-To": "<20241118150528.1856797-1-stefan.klug@ideasonboard.com>",
        "References": "<20241118150528.1856797-1-stefan.klug@ideasonboard.com>",
        "MIME-Version": "1.0",
        "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": "Use a Span for construction to be more flexible. Additionally add an\nassert for the correct size of the span.\n\nSigned-off-by: Stefan Klug <stefan.klug@ideasonboard.com>\n---\n include/libcamera/internal/matrix.h |  3 ++-\n src/libcamera/matrix.cpp            | 10 ++++++++++\n 2 files changed, 12 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/include/libcamera/internal/matrix.h b/include/libcamera/internal/matrix.h\nindex b82d33f98658..28ea68a55af9 100644\n--- a/include/libcamera/internal/matrix.h\n+++ b/include/libcamera/internal/matrix.h\n@@ -39,8 +39,9 @@ public:\n \t\tstd::copy(data.begin(), data.end(), data_.begin());\n \t}\n \n-\tMatrix(const std::vector<T> &data)\n+\tMatrix(const Span<T> &data)\n \t{\n+\t\tASSERT(data.size() == Rows * Cols);\n \t\tstd::copy(data.begin(), data.end(), data_.begin());\n \t}\n \ndiff --git a/src/libcamera/matrix.cpp b/src/libcamera/matrix.cpp\nindex c3ed54895b22..bb9fd3003996 100644\n--- a/src/libcamera/matrix.cpp\n+++ b/src/libcamera/matrix.cpp\n@@ -31,6 +31,16 @@ LOG_DEFINE_CATEGORY(Matrix)\n  * \\brief Construct a zero matrix\n  */\n \n+/**\n+ * \\fn Matrix::Matrix(std::initializer_list<T> data)\n+ * \\brief Construct a matrix from supplied data\n+ * \\param[in] data Data from which to construct a matrix\n+ *\n+ * \\a data is a one-dimensional vector and will be turned into a matrix in\n+ * row-major order. The size of \\a data must be equal to the product of the\n+ * number of rows and columns of the matrix (Rows x Cols).\n+ */\n+\n /**\n  * \\fn Matrix::Matrix(const Span<T> &data)\n  * \\brief Construct a matrix from supplied data\n",
    "prefixes": [
        "3/4"
    ]
}