using System.Collections.Generic;

namespace DTS.Utilities
{
    public static class SignalToNoiseRatio
    {
        /// <summary>
        /// Calculates Noise given a full scale peak-to-peak
        /// </summary>
        /// <param name="values">Data set</param>
        /// <param name="fullScalePP">The full scale peak-to-peak of the data set; 65536.0 by default for ADC data</param>
        /// <returns></returns>
        public static double CalculateSNR(IEnumerable<double> values, double fullScalePP = 65536.0)
        {
            var stdDev = StandardDev.StandardDeviation(values);
            return -20 * System.Math.Log10(3.0 * stdDev / fullScalePP);
        }
    }
}