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149 <div class="section"><h2><a name="a10_Transform_methods"></a>10 Transform methods</h2>
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150 <p>
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151 This package provides a few transformers for signal analysis. All transformers
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152 provide both direct and inverse transforms.
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153 <ul><li><code>FastFourierTransformer</code> (produces <code>Complex</code> results)</li>
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154 <li><code>FastCosineTransformer</code> (produces real results)</li>
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155 <li><code>FastSineTransformer</code> (produces real results)</li>
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156 <li><code>FastHadamardTransformer</code> (produces real results)</li>
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157 </ul>
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