Resolve "Significant differences between linux and windows results"

Closes #31

See merge request !39

.gitlab-ci.yml

@@ -50,20 +50,19 @@ unit_test_linux:
     reports:
       junit: "build/tests/unit_test/unit_test_report.xml"
 
-# Currently disabled
 # Execute regression tests
-#regression_test_linux:
-#  image: $CI_REGISTRY_IMAGE:${CI_COMMIT_REF_SLUG}_linux
-#  stage: test
-#  script:
-#    - cd tests/regression_test/tests
-#    - python -m pytest --path=../../../build/petrack --junitxml=pytest_report.xml >> "RegressionTestLog.txt"
-#  artifacts:
-#    when: on_failure
-#    paths:
-#      - "tests/regression_test/tests/RegressionTestLog.txt"
-#    reports:
-#      junit: "tests/regression_test/tests/pytest_report.xml"
+regression_test_linux:
+  image: $CI_REGISTRY_IMAGE:${CI_COMMIT_REF_SLUG}_linux
+  stage: test
+  script:
+    - cd tests/regression_test/tests
+    - python -m pytest --path=../../../build/petrack --junitxml=pytest_report.xml >> "RegressionTestLog.txt"
+  artifacts:
+    when: on_failure
+    paths:
+      - "tests/regression_test/tests/RegressionTestLog.txt"
+    reports:
+      junit: "tests/regression_test/tests/pytest_report.xml"
 
 
 ###############################################################################

CMakeLists.txt

@@ -122,7 +122,7 @@ find_package(
   REQUIRED)
 
 # OpenCV
-find_package(OpenCV 4.0.0 REQUIRED )
+find_package(OpenCV 4.2.0 EXACT REQUIRED )
 message("Building with OpenCV${OpenCV_VERSION_MAJOR}(${OpenCV_VERSION})")
 
 # QWT

container/arch/Dockerfile

@@ -3,6 +3,7 @@ FROM archlinux:20200705
 # Update the repositories
 RUN pacman -Syy
 
+# Install the needed tools
 RUN pacman -Syu --needed --noconfirm \
 	git \
 	gcc \
@@ -11,14 +12,23 @@ RUN pacman -Syu --needed --noconfirm \
 	base-devel \
 	glew
 
+# Install the needed libraries
 RUN pacman -Syu --needed --noconfirm \
 	qt5-base \
-	opencv hdf5 vtk\
 	qwt \
 	catch2
 
+# Install python
 RUN pacman -Syu --needed --noconfirm \
     python \
     python-pip
 RUN pip install pytest
 
+# Install opencv 4.2 (last command to avoid any updates by pacman)
+RUN pacman --needed --noconfirm -U \
+    https://archive.archlinux.org/packages/h/hdf5/hdf5-1.10.5-1-x86_64.pkg.tar.xz \
+    https://archive.archlinux.org/packages/v/vtk/vtk-8.2.0-9-x86_64.pkg.tar.xz \
+    https://archive.archlinux.org/packages/g/glew/glew-2.1.0-1-x86_64.pkg.tar.xz \
+    https://archive.archlinux.org/packages/o/openexr/openexr-2.4.0-6-x86_64.pkg.tar.xz \
+    https://archive.archlinux.org/packages/o/opencv/opencv-4.2.0-1-x86_64.pkg.tar.xz
+