Build

test solid harmonic ordering runtime switchable #649

Job	Run time
Repo • macos-latest: clang++ Release	39m 10s
Repo • ubuntu-20.04: g++-10 Release	34m 53s
Repo • macos-latest: clang++ Debug	32m 13s
Repo • ubuntu-20.04: g++-10 Debug	30m 24s
Export • ubuntu-gnu	16m 54s
Export • windows-clang-cl	22m 33s
Export • macos-clang	29m 13s
Export • ubuntu-intel	22m 33s
	3h 47m 53s

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