n class="comment">%                        The default is to use form 1 with TW=3 and K=5</span>
0043 <span class="comment">%</span>
0044 <span class="comment">%            pad            (padding factor for the FFT) - optional (can take values -1,0,1,2...).</span>
0045 <span class="comment">%                    -1 corresponds to no padding, 0 corresponds to padding</span>
0046 <span class="comment">%                    to the next highest power of 2 etc.</span>
0047 <span class="comment">%            