Add SGal(3) #302

Job	Run time
build-mac (macos-11)	11m 57s
build-mac (macos-12)	5m 4s
build-win (windows-2019, Visual Studio 16 2019)	8m 46s
build-ubuntu (ubuntu-20.04, Release, gcc, g++)	5m 0s
build-win (windows-2022, Visual Studio 17 2022)	8m 39s
build-ubuntu (ubuntu-20.04, Release, clang, clang++)	4m 33s
build-ubuntu (ubuntu-20.04, Debug, gcc, g++)	5m 22s
build-ubuntu (ubuntu-20.04, Debug, clang, clang++)	3m 15s
build-ubuntu (ubuntu-22.04, Release, gcc, g++)	5m 42s
build-ubuntu (ubuntu-22.04, Release, clang, clang++)	5m 8s
build-ubuntu (ubuntu-22.04, Debug, gcc, g++)	5m 53s
build-ubuntu (ubuntu-22.04, Debug, clang, clang++)	3m 43s
cppcheck	6m 25s
ceres	6m 32s
codecov	6m 26s
valgrind	13m 58s
autodiff	6m 3s
pybind11-cmake (ubuntu-20.04)	5m 48s
pybind11-pip (macos-latest, 3.7)	1m 48s
pybind11-cmake (ubuntu-latest)	5m 52s
pybind11-pip (macos-latest, 3.8)	2m 57s
pybind11-pip (macos-latest, 3.9)	1m 48s
pybind11-pip (macos-latest, 3.10)	2m 27s
pybind11-pip (ubuntu-latest, 3.7)	1m 57s
pybind11-pip (ubuntu-latest, 3.8)	1m 44s
pybind11-pip (ubuntu-latest, 3.9)	1m 47s
pybind11-pip (ubuntu-latest, 3.10)	2m 4s
	2h 20m 38s

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