cppcore: implement memoization once for all features

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
   tag:
     name: Bump version, push tag and make a release
     needs: call-test-workflow
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     permissions:
       contents: write
     steps:
@@ -54,13 +54,13 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macos-latest, windows-latest]
+        os: [ubuntu-22.04, macos-latest, windows-latest]
         python: [cp38, cp39, cp310, cp311]
         arch: [x86_64, amd64]
         exclude:
           - os: macos-latest
             arch: amd64
-          - os: ubuntu-20.04
+          - os: ubuntu-22.04
             arch: amd64
           - os: windows-latest
             arch: x86_64
@@ -90,7 +90,7 @@ jobs:
 
   tarball:
     name: Build tarball
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     needs: [call-test-workflow, tag]
     steps:
       - uses: actions/checkout@v3
@@ -111,7 +111,7 @@ jobs:
 
   publish:
     name: Release and Publish on PyPI
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     needs: [call-test-workflow, tag, wheels, tarball]
     steps:
       - uses: actions/checkout@v3

.github/workflows/keep-alive.yml

@@ -11,7 +11,7 @@ jobs:
 
   keep-workflow-alive:
     name: Keep workflow alive
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v2
         with:

.github/workflows/test.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
@@ -26,10 +26,11 @@ jobs:
         pip install tox tox-gh-actions
 
     - name: Run tox
-      run: tox  # this does not call docs
+      run: |
+        tox  # this does not call docs
 
   coverage:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ["3.11"]
@@ -55,7 +56,7 @@ jobs:
       with:
         fail_ci_if_error: false
   docs:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python 3.9

.readthedocs.yaml

@@ -7,7 +7,7 @@ version: 2
 
 # Set the version of Python and other tools you might need
 build:
-  os: ubuntu-20.04
+  os: ubuntu-22.04
   tools:
     python: "3.9"
 

efel/cppcore/CMakeLists.txt

@@ -15,7 +15,12 @@
 # along with this library; if not, write to the Free Software Foundation, Inc., 
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.                   
 
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.12)
+
+# Set C++ standard
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
 
 set(CMAKE_BUILD_TYPE Debug)
 
@@ -24,6 +29,8 @@ set(FEATURESRCS Utils.cpp LibV1.cpp LibV2.cpp LibV3.cpp LibV5.cpp
     mapoperations.cpp)
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
+
 
 add_library(efelStatic ${FEATURESRCS})
 set_target_properties(efelStatic PROPERTIES OUTPUT_NAME efel)