Function wavelet_coherence 

pub fn wavelet_coherence<T>(
    signal1: &Signal<T>,
    signal2: &Signal<T>,
    wavelet: &dyn ContinuousWavelet,
    scales: &[f64],
    sampling_freq: f64,
    config: Option<CoherenceConfig>,
) -> Result<CoherenceResult<T>>
where
    T: Float + FromPrimitive + Send + Sync + SignalType + AddAssign + SubAssign + MulAssign + DivAssign + RemAssign,