Add to/from E8M0 scale MX format conversion. #131
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Implementation using bitmasking & shifting, so hopefully decently fast!
`ml_dtypes` and JAX bfloat16 dtypes not equivalent older JAX versions.
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Implementation using bitmasking & shifting, so hopefully decently fast!
Todo: support E8M0 from ml_dtypes once PR jax-ml/ml_dtypes#166 merged in. See MX issue as well: jax-ml/ml_dtypes#116