Support for BFloat16s. (#368) #639

Job	Run time
Documentation	49s
Julia release-1.8 - ubuntu-latest - x64	15m 41s
Julia 1.8 - ubuntu-latest - x64	1m 57s
Julia release-1.8 - macOS-latest - x64	17m 28s
Julia 1.8 - macOS-latest - x64	2m 39s
Julia release-1.9 - ubuntu-latest - x64	20m 26s
Julia 1.8 - windows-latest - x64	4m 39s
Julia release-1.9 - macOS-latest - x64	22m 6s
Julia 1.9 - ubuntu-latest - x64	1m 45s
Julia release-1.9 - windows-latest - x64	27m 23s
Julia 1.9 - macOS-latest - x64	3m 5s
Julia master - ubuntu-latest - x64	29m 8s
Julia 1.9 - windows-latest - x64	4m 46s
Julia master --opaque-pointers - ubuntu-latest - x64	34m 55s
Julia nightly - ubuntu-latest - x64	3m 35s
Julia nightly - macOS-latest - x64	3m 9s
Julia nightly - windows-latest - x64	5m 25s
Julia nightly --opaque-pointers - ubuntu-latest - x64	4m 18s
Julia nightly --opaque-pointers - macOS-latest - x64	4m 43s
Julia nightly --opaque-pointers - windows-latest - x64	6m 17s
	3h 34m 14s

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