ntents -</a></td>
	<td class="footer" style="text-align: right;"><a href="round_5.html">&rarr;</a></td>
	</tr>
	</table>

	<h1>
Round 4
	</h1>
	<p>
There was a way to emullate the sine function with a fast but inaccurate polynomial described in <a href="https://wordsandbuttons.online/challenge_your_performance_intuition_with_cpp_sine.html">Challenge your performance intuition with C++ sine</a>. Let's check if it works for CUDA.
	</p>
	<table><tr>
	<td id="left_4">
	<pre>
__global__ void std_sin(const float 