Add Vinberg's algorithm #16177

Job	Run time
doctest (1.10, ubuntu-latest)	29m 22s
doctest (1.11-nightly, ubuntu-latest)	30m 39s
test (1.6, short, ubuntu-latest)	1h 15m 25s
doctest (nightly, ubuntu-latest)	32m 36s
test (1.6, long, ubuntu-latest)	55m 59s
doctest (1.10, ubuntu-latest, depwarn=error)	29m 12s
test (1.10, short, ubuntu-latest)	1h 1m 40s
doctest (1.10, macOS, RPTU)	13m 59s
test (1.10, long, ubuntu-latest)	47m 13s
test (1.11-nightly, short, ubuntu-latest)	1h 9m 42s
test (1.11-nightly, long, ubuntu-latest)	56m 47s
test (nightly, short, ubuntu-latest)	1h 8m 35s
test (nightly, long, ubuntu-latest)	52m 35s
test (1.10, short, ubuntu-latest, depwarn=error)	58m 37s
test (1.10, long, ubuntu-latest, depwarn=error)	46m 28s
test (1.10, short, macOS, RPTU)	12m 43s
test (1.10, long, macOS, RPTU)	14m 7s
test (1.10, book, ubuntu-latest)	57m 22s
	13h 33m 1s

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