matlab.yml

name: Test MATLAB MEX

on:
  push:
    branches: [ $default-branch, master, wrappers_test ]
  pull_request:
    branches:
      - "**"

env:
  BUILD_TYPE: Release
  LD_LIBRARY_PATH: ${{github.workspace}}/install/lib:${{github.workspace}}/install/lib64
  DYLD_LIBRARY_PATH: ${{github.workspace}}/install/lib

jobs:
  test:
    name: Test MATLAB MEX
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        # MATLAB requires an old version of Windows
        os: [ubuntu-latest, macos-latest, windows-2019]

    steps:
      - name: Check out repository
        uses: actions/checkout@v2

      - name: Create install folder
        run: |
            mkdir -p ${{github.workspace}}/install

      - name: Configure CMake (Linux)
        run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/install -DEXTERNAL_EIGEN:BOOL=OFF -DPYTHON_WRAPPER:BOOL=OFF -DFORTRAN_WRAPPER:BOOL=OFF -DRUST_WRAPPER:BOOL=OFF -DMATLAB_WRAPPER:BOOL=OFF -DUSE_VTK=OFF -DBUILD_TESTING=OFF

      - name: Build
        id: build
        run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}

      - name: Install
        run: cmake --install ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}

      - name: Add the installed DLL to the PATH
        run: echo "${{github.workspace}}/install/bin" >> "$GITHUB_PATH"
        if: runner.os == 'Windows'

      - name: Set up MATLAB
        uses: matlab-actions/setup-matlab@v2

      - name: Compile and run
        uses: matlab-actions/run-command@v2
        with:
          command: |
              mex('-setup', '-v', 'C');
              cd('wrappers/matlab/');
              fnames = struct2table(dir('*.cpp')).name;
              for i = 1:length(fnames)
                  fname = cell2mat(fnames(i));
                  mex('-v', fname, '-I./', '-I${{github.workspace}}/install/include/moordyn', '-L${{github.workspace}}/install/lib', '-L${{github.workspace}}/install/lib64', '-lmoordyn');
              end
              % Run the same minimal test we have on matlab_bindings.m.in
              system = MoorDynM_Create('../../tests/Mooring/lines.txt');
              %% 3 coupled points x 3 components per point = 9 DoF
              x = zeros(9,1);
              dx = zeros(9,1);
              %% Get the initial positions from the system itself
              for i=1:3
                %% 4 = first fairlead id
                point = MoorDynM_GetPoint(system, i + 3);
                x(1 + 3 * (i - 1):3 * i) = MoorDynM_GetPointPos(point);
              end
              %% Setup the initial condition
              MoorDynM_Init(system, x, dx);
              %% Make the points move at 0.5 m/s to the positive x direction
              for i=1:3
                dx(1 + 3 * (i - 1)) = 0.5;
              end
              t = 0.0;
              dt = 0.5;
              [t, f] = MoorDynM_Step(system, x, dx, t, dt);
              %% Print the position and tension of the line nodes
              n_lines = MoorDynM_GetNumberLines(system);
              for line_id=1:n_lines
                line_id
                line = MoorDynM_GetLine(system, line_id);
                n_nodes = MoorDynM_GetLineNumberNodes(line);
                for node_id=1:n_nodes
                  node_id
                  pos = MoorDynM_GetLineNodePos(line, node_id - 1);
                  pos
                  ten = MoorDynM_GetLineNodeTen(line, node_id - 1);
                  ten
                end
              end
              %% Alright, time to finish!
              MoorDynM_Close(system);