estratto 0.0.1

estratto is a powerful and user-friendly Rust library designed for extracting rich audio features from digital audio signals.
Documentation 
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use crate::features::spectral::amplitude_spectrum;
use crate::utils;

pub fn compute(signal: &[f64]) -> f64 {
    let amplitude_spectrum: Vec<f64> = amplitude_spectrum::compute(signal);

    utils::mu(1, &amplitude_spectrum)
}

#[cfg(test)]
mod tests {
    use super::compute;
    use crate::utils::test;
    use std::f64;

    const FLOAT_PRECISION: f64 = 0.000_001_000;

    fn test_against(dataset: &test::data::TestDataSet) -> () {
        let sc = compute(&dataset.signal);

        assert_relative_eq!(
            sc,
            dataset.features.spectralCentroid,
            epsilon = f64::EPSILON,
            max_relative = FLOAT_PRECISION
        );
    }

    #[test]
    fn test_spectral_centroid() {
        let datasets = test::data::get_all();

        for dataset in datasets.iter() {
            test_against(dataset);
        }
    }
}