LA: Drop redundant arg checks on generic vector operations

src/Numerics/LinearAlgebra/Generic/Vector.cs

@@ -810,21 +810,11 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
         /// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> or <paramref name="rightSide"/> is <see langword="null" />.</exception>
         public static Vector<T> operator +(Vector<T> leftSide, Vector<T> rightSide)
         {
-            if (rightSide == null)
-            {
-                throw new ArgumentNullException("rightSide");
-            }
-
             if (leftSide == null)
             {
                 throw new ArgumentNullException("leftSide");
             }
 
-            if (leftSide.Count != rightSide.Count)
-            {
-                throw new ArgumentException(Resources.ArgumentVectorsSameLength, "rightSide");
-            }
-
             return leftSide.Add(rightSide);
         }
 
@@ -854,21 +844,11 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
         /// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> or <paramref name="rightSide"/> is <see langword="null" />.</exception>
         public static Vector<T> operator -(Vector<T> leftSide, Vector<T> rightSide)
         {
-            if (rightSide == null)
-            {
-                throw new ArgumentNullException("rightSide");
-            }
-
             if (leftSide == null)
             {
                 throw new ArgumentNullException("leftSide");
             }
 
-            if (leftSide.Count != rightSide.Count)
-            {
-                throw new ArgumentException(Resources.ArgumentVectorsSameLength, "rightSide");
-            }
-
             return leftSide.Subtract(rightSide);
         }
 
@@ -916,21 +896,11 @@ namespace MathNet.Numerics.LinearAlgebra.Generic
         /// <exception cref="ArgumentNullException">If <paramref name="leftSide"/> or <paramref name="rightSide"/> is <see langword="null" />.</exception>
         public static T operator *(Vector<T> leftSide, Vector<T> rightSide)
         {
-            if (rightSide == null)
-            {
-                throw new ArgumentNullException("rightSide");
-            }
-
             if (leftSide == null)
             {
                 throw new ArgumentNullException("leftSide");
             }
 
-            if (leftSide.Count != rightSide.Count)
-            {
-                throw new ArgumentException(Resources.ArgumentVectorsSameLength, "rightSide");
-            }
-
             return leftSide.DotProduct(rightSide);
         }