public void GetSum()
 {
   ComplexDoubleVector a = new ComplexDoubleVector(new double[4]{0,1,2,3});
   ComplexDoubleVector b = new ComplexDoubleVector(new double[4]{4,5,6,7});
   
   Assert.AreEqual(a.GetSum(),(Complex)6);
   Assert.AreEqual(a.GetSumMagnitudes(),6);
   
   Assert.AreEqual(b.GetSum(),(Complex)22);
   Assert.AreEqual(b.GetSumMagnitudes(),22);
 }