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CONTRIBUTING.md

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How to Contribute

We welcome community contributions to Intel(R) oneAPI Data Analytics Library. You can:

  • Submit your changes directly with a pull request.
  • Log a bug or make a feature request with an issue.

Refer to our guidelines on pull requests and issues before you proceed.

Contacting maintainers

You may reach out to Intel project maintainers privately at onedal.maintainers@intel.com. Codeowners configuration defines specific maintainers for corresponding code sections, however it's currently limited to Intel members. With further migration to UXL we will be changing this, but here are non-Intel contacts:

For ARM specifics you may contact: @rakshithgb-fujitsu

For RISC-V specifics you may contact: @keeranroth

Issues

Use GitHub issues to:

  • report an issue
  • make a feature request

Note: To report a vulnerability, refer to Intel vulnerability reporting policy.

Pull Requests

To contribute your changes directly to the repository, do the following:

  • Make sure you can build the product and run all the examples with your patch.
  • Product uses bazel for validation and your changes should pass tests. Please add new tests as necessary. Bazel Guide for oneDAL
  • Make sure your code is in line with our coding style as clang-format is one of the checks in our public CI.
  • For a larger feature, provide a relevant example, and tests.
  • Document your code.
  • Submit a pull request into the main branch.

Public and private CIs are enabled for the repository. Your PR should pass all of our checks. We will review your contribution and, if any additional fixes or modifications are necessary, we may give some feedback to guide you. When accepted, your pull request will be merged into our GitHub* repository.

Code Style

ClangFormat

Prerequisites: ClangFormat 9.0.0 or later

Our repository contains clang-format configurations that you should use on your code. To do this, run:

clang-format style=file <your file>

Refer to ClangFormat documentation for more information.

editorconfig-checker

We also recommend using editorconfig-checker to ensure your code adheres to the project's coding style. EditorConfig-Checker is a command-line tool that checks your code against the rules defined in the .editorconfig file.

To use it, follow these steps:

  1. Install the tool by following the instructions in the official documentation.
  2. Navigate to the root directory of your project.
  3. Run the following command to check your code:
editorconfig-checker

Coding Guidelines

For your convenience we also added coding guidelines with examples and detailed descriptions of the coding style oneDAL follows. We encourage you to consult them when writing your code.

Custom Components

Threading Layer

In the source code of the algorithms, oneDAL does not use threading primitives directly. All the threading primitives used within oneDAL form are called the threading layer. Contributors should leverage the primitives from the layer to implement parallel algorithms.

Documentation Guidelines

oneDAL uses Doxygen for inline comments in public header files that are used to build the API reference and reStructuredText for the Developer Guide. See oneDAL documentation for reference.

Note: oneDAL is licensed under Apache License, Version 2.0. By contributing to the project, you agree to the license and copyright terms therein and release your contribution under these terms.