&nbsp;x)</code>
<div class="block">The FHT (Fast Hadamard Transformation) which uses only subtraction and
 addition.</div>
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<td class="colFirst"><code>protected int[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/transform/FastHadamardTransformer.html#fht(int[])">fht</a></strong>(int[]&nbsp;x)</code>
<div class="block">Returns the forward transform of the specified integer data set.</div>
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