Initial data commit

Task/Vector/C-sharp/vector.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace RosettaVectors
+{
+    public class Vector
+    {
+        public double[] store;
+        public Vector(IEnumerable<double> init)
+        {
+            store = init.ToArray();
+        }
+        public Vector(double x, double y)
+        {
+            store = new double[] { x, y };
+        }
+        static public Vector operator+(Vector v1, Vector v2)
+        {
+            return new Vector(v1.store.Zip(v2.store, (a, b) => a + b));
+        }
+        static public Vector operator -(Vector v1, Vector v2)
+        {
+            return new Vector(v1.store.Zip(v2.store, (a, b) => a - b));
+        }
+        static public Vector operator *(Vector v1, double scalar)
+        {
+            return new Vector(v1.store.Select(x => x * scalar));
+        }
+        static public Vector operator /(Vector v1, double scalar)
+        {
+            return new Vector(v1.store.Select(x => x / scalar));
+        }
+        public override string ToString()
+        {
+            return string.Format("[{0}]", string.Join(",", store));
+        }
+    }
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var v1 = new Vector(5, 7);
+            var v2 = new Vector(2, 3);
+            Console.WriteLine(v1 + v2);
+            Console.WriteLine(v1 - v2);
+            Console.WriteLine(v1 * 11);
+            Console.WriteLine(v1 / 2);
+            // Works with arbitrary size vectors, too.
+            var lostVector = new Vector(new double[] { 4, 8, 15, 16, 23, 42 });
+            Console.WriteLine(lostVector * 7);
+            Console.ReadLine();
+        }
+    }
+}