Rust

AsPrimitive f16 <-> bf16 #168

Job	Run time
Miri	37s
Rust (ubuntu-latest, x86_64, stable)	27s
Rust (ubuntu-latest, x86_64, beta)	25s
Rust (ubuntu-latest, x86_64, nightly)	26s
Rust (ubuntu-latest, x86_64, 1.70.0)	25s
Rust (ubuntu-latest, i686, stable)	26s
Rust (ubuntu-latest, i686, beta)	24s
Rust (ubuntu-latest, i686, nightly)	21s
Rust (ubuntu-latest, i686, 1.70.0)	27s
Rust (ubuntu-latest, aarch64, stable)	18s
Rust (ubuntu-latest, aarch64, beta)	25s
Rust (ubuntu-latest, aarch64, nightly)	24s
Rust (ubuntu-latest, aarch64, 1.70.0)	27s
Rust (windows-latest, x86_64, stable)	1s
Rust (windows-latest, x86_64, beta)	1s
Rust (windows-latest, x86_64, nightly)	1s
Rust (windows-latest, x86_64, 1.70.0)	1s
Rust (windows-latest, i686, stable)	25s
Rust (windows-latest, i686, beta)	24s
Rust (windows-latest, i686, nightly)	1s
Rust (windows-latest, i686, 1.70.0)	24s
Rust (windows-latest, aarch64, stable)	23s
Rust (windows-latest, aarch64, beta)	24s
Rust (windows-latest, aarch64, nightly)	25s
Rust (windows-latest, aarch64, 1.70.0)	23s
	8m 25s

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