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.. _opencl-default-kernels:
OpenCL default kernels
======================
This section lists all kernel functions that are available to the
:gobj:class:`opencl` filter if no filename is specified.
.. c:function:: void fix_nan_and_inf ()
Sets element to 0.0 if it is NaN or Inf.
.. c:function:: void absorptivity ()
Computes :math:`f(x) = -log(x)`.
.. c:function:: void nlm_noise_reduction ()
Smooths data within a local neighbourhood.
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