="summary">Carries out a butterfly 2 run of the input sample.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#butterfly3">butterfly3</a>&nbsp;(input, out_index, fstride, twiddles, m, inverse)</td>
	<td class="summary">Carries out a butterfly 3 run of the input sample.</td>
	</tr>

	<tr>
	<td class="name" nowrap><a href="#butterfly4">butterfly4</a>&nbsp;(input, out_index, fstride, twiddles, m, inverse)</td>
	<td class="summary">Carries out a butterfly 4 run of the input sample.</td>
	</tr>

	<tr>
	<td 