ci.yml

name: GitHub CI

on: [push, pull_request]

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref || github.run_id }}
  cancel-in-progress: true

jobs:
  build:
    name: On ${{ matrix.os }} with (${{ matrix.compiler }}, python-${{ matrix.python-version }}, numpy-${{ matrix.numpy-version }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: ["ubuntu-20.04", "ubuntu-latest", "macos-latest"]
        compiler: [gcc-7, gcc-9, clang]
        python-version: ["3.9", "3.12"]
        numpy-version: ["1.20", "2.0.1"]

        include:
          - numpy-version: "1.23"
            compiler: gcc-10
            python-version: "3.10"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-11
            python-version: "3.10"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-10
            python-version: "3.10"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-11
            python-version: "3.10"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-10
            python-version: "3.11"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-11
            python-version: "3.11"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-12
            python-version: "3.11"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-10
            python-version: "3.11"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-11
            python-version: "3.11"
            os: ubuntu-latest

          - numpy-version: "1.23"
            compiler: gcc-12
            python-version: "3.11"
            os: ubuntu-latest

        exclude:
          # Only run with 'clang' on OSX
          - os: "macos-latest"
            compiler: gcc-7
          - os: "macos-latest"
            compiler: gcc-9

          # Don't use 'clang' on linux
          - os: "ubuntu-20.04"
            compiler: clang
          - os: "ubuntu-latest"
            compiler: clang
          
          # only gcc-10 on latest
          - os: "ubuntu-latest"
            compiler: gcc-9
          - os: "ubuntu-latest"
            compiler: gcc-7

          # Only use latest numpy on ubuntu-latest  
          - os: "ubuntu-latest"
            numpy-version: 1.20
            
          # python3.10 only on ubuntu-latest
          # - os: "ubuntu-20.04"
          #   python-version: "3.10"
          # - os: "macos-latest"
          #   python-version: "3.10"

          - python-version: "3.9"
            numpy-version: "2.0.1"

          - python-version: "3.12"
            numpy-version: "1.20"

    env:
      CC: ${{ matrix.compiler }}
      CORRFUNC_CI: true

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Miniconda
        uses: conda-incubator/setup-miniconda@v3
        with:
          auto-update-conda: true
          auto-activate-base: false
          miniconda-version: 'latest'
          python-version: ${{ matrix.python-version }}

      # This was needed on 18.04 but not on 20.04
      # - name: Install binutils on linux
      #   shell: bash -l {0}
      #   if: matrix.os == 'ubuntu-18.04'
      #   run: |
      #     sudo apt-get update
      #     sudo apt-get install binutils

      - name: Install gcc-7 on ubuntu-20.04
        shell: bash -l {0}
        if: matrix.os == 'ubuntu-20.04'
        run: |
          sudo add-apt-repository ppa:ubuntu-toolchain-r/test
          sudo apt-get update
          sudo apt-get install gcc-7

      - name: Install dependencies
        shell: bash -l {0}
        run: |
          conda create -q --yes -n test python=${{ matrix.python-version }} nomkl
          conda activate test
          conda install -q --yes -c conda-forge numpy=${{ matrix.numpy-version }} gsl

      - name: Display PATH, compiler, python
        shell: bash -l {0}
        run: |
          conda activate test
          echo "PATH = " $PATH
          echo "COMPILER = " `which ${{ matrix.compiler }}`
          echo "COMPILER VERSION = " `${{ matrix.compiler }} --version`
          echo "PYTHON = " `which python`
          echo "(PYTHON, NUMPY) version = " `python -c "import sys; import numpy as np; print(sys.version); print(np.__version__);"`
          echo "Preprocessor defs:"
          echo `${{ matrix.compiler }} -dM -E - -march=native`

      - name: lscpu on Linux
        if: matrix.os != 'macos-latest'
        run: |
          lscpu

      - name: sysctl machdep.cpu on OSX
        if: matrix.os == 'macos-latest'
        run: |
          sysctl machdep.cpu

#      - name: Add linker flag to OSX + gcc
#        shell: bash -l {0}
#        if: matrix.os == 'osx-latest' && startswith(matrix.compiler, 'gcc')
#        run: export CLINK = '-lgomp'

      - name: compile
        shell: bash -l {0}
        run: make -r CC=${{ matrix.compiler }}

      - name: install
        shell: bash -l {0}
        run: make install CC=${{ matrix.compiler }}

      - name: compile and install python extensions
        shell: bash -l {0}
        run: |
          echo "CC = " $CC
          export CC=${{ matrix.compiler }}
          python -m pip install -e .

      - name: tests
        shell: bash -l {0}
        run: make tests CC=${{ matrix.compiler }}

      - name: doctests
        shell: bash -l {0}
        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.10' && matrix.numpy-version == '1.16'
        run: |
          python -m pip install 'sphinx>=1.8'
          make -C docs doctest

      - name: Python tests
        shell: bash -l {0}
        run: |
          python -m pip install pytest
          python -m pytest -v