[libc-commits] [libc] [libc] Add definitions for totalordermagf, dsqrtl, fsqrt, and fsqrtl (PR #103494)

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lntue wrote:

> For now, we probably need to add these to `spec/stdc.td` as well since we're in-between formats. Also, do we have implementations for these?

Those functions were implemented and only added to `spec/stdc.td`, `spec/llvm_libc_ext.td`, but not `math.yaml`.

https://github.com/llvm/llvm-project/pull/103494