[libc-commits] [libc] [libc][stdfix] Implement sqrtfx for remaining fixed point types (PR #214741)

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PiJoules wrote:

nit: Could be done in a separate patch, but if the goal of this is to print `v` and `func(v)` here then this could probably be

```
ASSERT_LE(errors, ERR) << "v: " << v << ", func(v): " << func(v);
```

https://github.com/llvm/llvm-project/pull/214741