using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<double> resistanceErrors = new List<double>();

        List<double> temperatureErrors = new List<double>();

        var celsisuRange = Enumerable.Range(0, 30000);

        var testCelsius = celsisuRange.Select(c => c/1000d);

        foreach (var c in testCelsius) {

            var k = c + 273.15d;

            var r = CalculateResistance(k);

​

            var k1 = CalculateKelvins(Math.Round(r));

            var c1 = k1 - 273.15d;

            //Console.Write("c:" + c + " - r:" + Math.Round(r) + " | k1:" + k1 + " - c1:" + c1 + " == ");

            // Console.WriteLine("c: " + c + " diff: " + Math.Abs(c1-c));

            temperatureErrors.Add(Math.Abs(c1-c));

        }

        Console.WriteLine("Min: " + temperatureErrors.Min());

        Console.WriteLine("Max: " + temperatureErrors.Max());

        Console.WriteLine("Average temperature error: " + temperatureErrors.Average());

    }

​

    private const int b = 3380;

    private const double rInf = 0.11929d;

​

    public static double CalculateKelvins(double resistance)

    {

        return b / Math.Log(resistance / rInf);

    }

​

    public static double CalculateResistance(double kelvins)

    {

        return rInf * Math.Exp(b / kelvins);

    }

}