using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace VRPProblemAnalyzer {

  public static class Utils {

    public static List<PointD> MatrixToPointList(double[,] vertices) {
      var points = new List<PointD>();
      for (int i = 0; i < vertices.GetLength(0); i++) {
        points.Add(new PointD(vertices[i, 0], vertices[i, 1]));
      }
      return points;
    }

    public static double GetDistance(double[,] vertices, int source, int target) {
      return Math.Sqrt(
        Math.Pow((vertices[source, 0] - vertices[target, 0]), 2) +
        Math.Pow((vertices[source, 1] - vertices[target, 1]), 2));
    }
  }
}