Add SGal(3) #311

Job	Run time
build-ubuntu (ubuntu-20.04, Release, gcc, g++)	4m 56s
build-mac (macos-11)	8m 27s
build-ubuntu (ubuntu-20.04, Release, clang, clang++)	4m 29s
build-mac (macos-12)	4m 39s
build-ubuntu (ubuntu-20.04, Debug, gcc, g++)	5m 28s
build-ubuntu (ubuntu-20.04, Debug, clang, clang++)	2m 58s
build-win (windows-2019, Visual Studio 16 2019)	7m 47s
build-ubuntu (ubuntu-22.04, Release, gcc, g++)	5m 41s
build-win (windows-2022, Visual Studio 17 2022)	7m 55s
build-ubuntu (ubuntu-22.04, Release, clang, clang++)	4m 39s
build-ubuntu (ubuntu-22.04, Debug, gcc, g++)	5m 35s
build-ubuntu (ubuntu-22.04, Debug, clang, clang++)	3m 50s
valgrind	12m 28s
ceres	6m 3s
codecov	6m 10s
autodiff	6m 12s
cppcheck	6m 21s
pybind11-cmake (ubuntu-20.04)	5m 38s
pybind11-pip (macos-latest, 3.7)	1m 47s
pybind11-cmake (ubuntu-latest)	6m 5s
pybind11-pip (macos-latest, 3.8)	1m 56s
pybind11-pip (macos-latest, 3.9)	1m 49s
pybind11-pip (macos-latest, 3.10)	3m 37s
pybind11-pip (ubuntu-latest, 3.7)	1m 55s
pybind11-pip (ubuntu-latest, 3.8)	1m 47s
pybind11-pip (ubuntu-latest, 3.9)	1m 50s
pybind11-pip (ubuntu-latest, 3.10)	1m 46s
	2h 11m 48s

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