Validates the plugin.

Contains the first vector.

Contains the second vector.

Contains the base 2 logarithm of the length of the cross power spectrum. Should be an integer >= 2.

Contains the sample rate.

Contains the name of the output vector holding the real part of the cross power spectrum.

Contains the name of the output vector holding the imaginary part of the cross power spectrum.

Contains the name of the output vector holding the frequencies of the cross power spectrum.

Returns true if all the inputs and outputs of the cross power spectrum have been set.