upgrade Fourier methods and cosmological handling

.github/workflows/continuousintegration.yaml

@@ -0,0 +1,27 @@
+name: Continuous Integration
+
+on:
+  - push
+  - pull_request
+
+jobs:  
+  test:  
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ['3.10', '3.11', '3.12']
+
+    steps:  
+      - uses: actions/checkout@v3  
+      - name: Set up Python ${{ matrix.python-version }}  
+        uses: actions/setup-python@v4  
+        with:  
+          python-version: ${{ matrix.python-version }}  
+      - name: Install dependencies  
+        run: |  
+          python -m pip install --upgrade pip  
+          pip install -r test_requirements.txt
+#      - name: Test with pytest  
+#        run: |  
+#         coverage run -m pytest  -v -s  

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2016, Michael Petersen
+Copyright (c) 2016-2024, Michael Petersen
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without