<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/84689>84689</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [libc][math] Entry points and tests needed for some already-implemented math functions
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            libc
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          Flandini
      </td>
    </tr>
</table>

<pre>
    From discussion with @lntue, the functions `nextafterf128`, `nexttowardf128`, `nearbyintf128`, and `scalbnf128`, and `nanf128` need entry points and tests added. `nanf128` will also need some updates to `strtonan` to make it work for 128-bit. 

I plan to work on these.
</pre>
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