example-Accumulator.cs

using System;
using NETGeographicLib;

namespace example_Accumulator
{
    class Program
    {
        static void Main(string[] args)
        {
            try {
                // Compare using Accumulator and ordinary summation for a sum of large and
                // small terms.
                double sum = 0;
                Accumulator acc = new Accumulator();
                acc.Assign( 0.0 );
                sum += 1e20; sum += 1; sum += 2; sum += 100; sum += 5000; sum += -1e20;
                acc.Sum( 1e20 ); acc.Sum( 1 ); acc.Sum( 2 ); acc.Sum( 100 ); acc.Sum( 5000 ); acc.Sum( -1e20 );
                Console.WriteLine(String.Format("{0} {1}", sum, acc.Result()));
            }
            catch (GeographicErr e) {
                Console.WriteLine( String.Format(  "Caught exception: {0}", e.Message ) );
            }
        }
    }
}