Beispiel #1
0
        public void GetElementarySymmetricRepresentationTest()
        {
            var domain       = new IntegerDomain();
            var coeffsParser = new IntegerParser <string>();
            var conversion   = new ElementToElementConversion <int>();

            var dictionary = new Dictionary <int, int>();

            dictionary.Add(5, 2);
            dictionary.Add(0, 2);

            var varDictionary = new Dictionary <int, Tuple <bool, string, int> >();

            varDictionary.Add(1, Tuple.Create(true, "s[1]", 0));

            var symmetric = new SymmetricPolynomial <int>(
                new List <string>()
            {
                "x", "y", "z", "w"
            },
                dictionary,
                1,
                domain);

            var rep      = symmetric.GetElementarySymmetricRepresentation(varDictionary, new IntegerDomain());
            var expanded = rep.GetExpanded(domain);

            var expectedPolText = "5*s4^2*s2+-5*s4*s2^3+5*s4*s3^2+5*s2^2*s3^2+1*s2^5";
            var expected        = TestsHelper.ReadPolynomial(
                expectedPolText,
                domain,
                conversion,
                coeffsParser);

            Assert.AreEqual(expected, expanded);
        }