<p>I just tested with <code>iotlab-m3</code> after the rebase and it fails…<br>
I put the <code>needs squashing</code> to prevent merging now.</p>
<pre><code>7.994708Calculated  bits of entropy from 10000 samples. 
</code></pre>
<p>If I put a <code>fflush(stdout);</code> before the <code>print_float</code> it works.<br>
I noticed it is said in the documentation, I will push a fix <a href="http://doc.riot-os.org/group__sys__fmt.html" rel="nofollow">http://doc.riot-os.org/group__sys__fmt.html</a></p>

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