public void GetIndex()
 {
   ComplexDoubleVector a = new ComplexDoubleVector(new double[4]{1,2,3,4});
   ComplexDoubleVector b = new ComplexDoubleVector(new double[4]{3,2,1,0});
   ComplexDoubleVector c = new ComplexDoubleVector(new double[4]{0,-1,-2,-3});
   ComplexDoubleVector d = new ComplexDoubleVector(new double[4]{-3,-2,-1,0});
   
   Assert.AreEqual(a.GetAbsMaximumIndex(),3);
   Assert.AreEqual(b.GetAbsMaximumIndex(),0);
   Assert.AreEqual(c.GetAbsMaximumIndex(),3);
   Assert.AreEqual(d.GetAbsMaximumIndex(),0);
   
   Assert.AreEqual(a.GetAbsMaximum(),(Complex)4);
   Assert.AreEqual(b.GetAbsMaximum(),(Complex)3);
   Assert.AreEqual(c.GetAbsMaximum(),(Complex)(-3));
   Assert.AreEqual(d.GetAbsMaximum(),(Complex)(-3));
   
   Assert.AreEqual(a.GetAbsMinimumIndex(),0);
   Assert.AreEqual(b.GetAbsMinimumIndex(),3);
   Assert.AreEqual(c.GetAbsMinimumIndex(),0);
   Assert.AreEqual(d.GetAbsMinimumIndex(),3);
   
   Assert.AreEqual(a.GetAbsMinimum(),(Complex)1);
   Assert.AreEqual(b.GetAbsMinimum(),(Complex)0);
   Assert.AreEqual(c.GetAbsMinimum(),(Complex)0);
   Assert.AreEqual(d.GetAbsMinimum(),(Complex)0); 
 }