sf= SuperFreq(t)
fs = [(w[:,i] * 1j*w[:,i+ndim//2]) for i in range(ndim//2)]
freqs, tbl, ix = sf.find_fundamental_frequencies(fs)

result_obj = sf.find_fundamental_frequencies(fs)
freqs = result_obj.fund_freqs

ValueError                                Traceback (most recent call last)
/tmp/ipykernel_599/3348153705.py in <module>
----> 1 result_obj = sf.find_fundamental_frequencies(fs)
      2 freqs = result_obj.fund_freqs

/srv/conda/envs/notebook/lib/python3.8/site-packages/superfreq/naff.py in find_fundamental_frequencies(self, fs, min_freq, min_freq_diff, **frecoder_kwargs)
    381 
    382         for i in range(ndim):
--> 383             omega,A,phi = self.frecoder(fs[i][:self.n], **frecoder_kwargs)
    384             freqs.append(omega)  # angular frequencies
    385             As.append(A*np.exp(1j*phi))  # complex amplitudes

/srv/conda/envs/notebook/lib/python3.8/site-packages/superfreq/naff.py in frecoder(self, f, nintvec, break_condition)
    218         for k in range(nintvec):
    219             try:
--> 220                 omega[k] = self.frequency(fk)
    221             except RuntimeError:
    222                 if self.keep_calm:

/srv/conda/envs/notebook/lib/python3.8/site-packages/superfreq/naff.py in frequency(self, f, omega0, return_fft)
    170         Im_f = f.imag.copy()
    171 
--> 172         freq = naff_frequency(omega0, self.tz, self.chi, Re_f, Im_f, self.T)
    173 
    174         if return_fft:

superfreq/_naff.pyx in superfreq._naff.naff_frequency()

ValueError: Buffer dtype mismatch, expected 'double' but got 'float'