public void Axpy()
{
FloatVector a = new FloatVector(new float[4]{0,1,2,3});
float scal = 3;
FloatVector b = new FloatVector(4);
b.Axpy(scal,a);
a.Scale(scal);
Assert.AreEqual(a[0],b[0]);
Assert.AreEqual(a[1],b[1]);
Assert.AreEqual(a[2],b[2]);
Assert.AreEqual(a[3],b[3]);
}