`f16b` type - #3983

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Jamesbarford wants to merge 15 commits into

rust-lang:masterfrom

Jamesbarford:rfc/bf16

Commits on Jul 15, 2026

bf16 rfc
Jamesbarford
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3662bd7

Commits on Jul 21, 2026

Addressed feedback and some verbosity issues
Jamesbarford
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0e1f5c4

Commits on Jul 22, 2026

Lift most of the `bf16` scalar arithmetic to the appendex, single out `FMA` as an op where a library call should be emitted
Jamesbarford
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5321ed6
RFC Formatting
Jamesbarford
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376dbcf
typo & corrected summary
Jamesbarford
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e491009
Remove incorrect scalar semantics
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c55b204
Significantly trim Reference level vector operations text
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04a5572
Gramma & spelling tweak
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f756210

Commits on Jul 23, 2026

Commits on Jul 28, 2026

Rework RFC to propose adding `bf16` to `core::num` instead
Jamesbarford
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88d5308

Commits on Jul 29, 2026

Incorporated feedback for trait implementations
Jamesbarford
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c843595

Commits on Jul 30, 2026

Add `PartialEq` and `PartialOrd` as traits to be implemented
Jamesbarford
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0601c45

Commits on Aug 5, 2026

Remove `from_f32(...)` and note that the type can only be constructed through vendor intrinsics
Jamesbarford
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2c8b1f0

Commits on Aug 6, 2026

Meeting feedback - rename `bf16` -> `f16b`, include `From<f16b> for f32` and update rationale for naming
Jamesbarford
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6b10890