extra debugging

psrdada_cpp/effelsberg/edd/detail/FftSpectrometer.cu

@@ -41,6 +41,7 @@ FftSpectrometer<HandlerType>::FftSpectrometer(
     float scale = (_input_level * np.sqrt(_nchans))**2;
     float offset = scale * dof;
     float scaling = scale * std::sqrt(2 * dof);
+    BOOST_LOG_TRIVIAL(debug) << "Correction factors for 8-bit conversion: offset = " << offset << ", scaling = " << scaling;
     BOOST_LOG_TRIVIAL(debug) << "Generating FFT plan";
     int n[] = {static_cast<int>(_fft_length)};
     CUFFT_ERROR_CHECK(cufftPlanMany(&_fft_plan, 1, n, NULL, 1, _fft_length,