public void DuplicateFromNET()
        {
            var original = new BigPoly(123, 456);

            original[0].Set(1);
            original[1].Set(2);
            original[2].Set(3);
            original[3].Set(4);
            original[4].Set(5);
            original[122].Set(123);

            BigPoly target = new BigPoly();

            target.DuplicateFrom(original);
            Assert.AreEqual(target.CoeffCount, original.CoeffCount);
            Assert.AreEqual(target.CoeffBitCount, original.CoeffBitCount);
            Assert.IsTrue(target.Equals(original));
        }