%feature("docstring") OT::KissFFT
"Kiss FFT.

See also
--------
FFT

Notes
-----
The KissFFT class inherits from the :class:`~openturns.FFT` class. The methods
are the same as the FFT class (there is no additional method). This class
interacts with the kissfft implemented and return results as OpenTURNS objects
(:class:`~openturns.ComplexCollection`)."