Exemplo n.º 1
0
        /// <summary>
        /// Permite efectuar a leitura de um polinómio a partir de texto.
        /// </summary>
        /// <remarks>
        /// Se a leitura não for bem sucedida, é lançada uma excep~ção.
        /// </remarks>
        /// <param name="polynomial">O texto.</param>
        /// <returns>O polinómio.</returns>
        public UnivariatePolynomialNormalForm <BigInteger> Read(string polynomial)
        {
            var integerDomain   = new BigIntegerDomain();
            var integerParser   = new BigIntegerParser <string>();
            var conversion      = new BigIntegerToIntegerConversion();
            var polInputReader  = new StringReader(polynomial);
            var polSymbolReader = new StringSymbolReader(polInputReader, false);
            var polParser       = new UnivariatePolynomialReader <BigInteger, CharSymbolReader <string> >(
                "x",
                integerParser,
                integerDomain);

            var result = default(UnivariatePolynomialNormalForm <BigInteger>);

            if (polParser.TryParsePolynomial(polSymbolReader, conversion, out result))
            {
                // O polinómio foi lido com sucesso.
                return(result);
            }
            else
            {
                // Não é possível ler o polinómio.
                throw new Exception("Can't read integer polynomial.");
            }
        }
        public void RunTest_BigIntegerNumbersRhoAlg()
        {
            var bigIntegerNumber = new BigIntegerDomain();
            var integerNumber    = new IntegerDomain();
            var integerParser    = new BigIntegerParser <string>();
            var conversion       = new BigIntegerToIntegerConversion();
            var variableName     = "x";
            var testPols         = new List <UnivariatePolynomialNormalForm <BigInteger> >();

            testPols.Add(TestsHelper.ReadUnivarPolynomial("x^123+1", bigIntegerNumber, integerParser, conversion, variableName));
            testPols.Add(TestsHelper.ReadUnivarPolynomial("x^452+1537*x+1", bigIntegerNumber, integerParser, conversion, variableName));

            var rhoAlgorithm = new PollardRhoAlgorithm <BigInteger>(
                testPols,
                new ModularBigIntFieldFactory(),
                bigIntegerNumber);
            var factorizationTarget = new DecompositionFactorizationAlgorithm <BigInteger, int>(
                rhoAlgorithm,
                1,
                integerNumber,
                bigIntegerNumber);
            var value    = BigInteger.Parse("1000000000001");
            var expected = new Dictionary <BigInteger, int>();

            expected.Add(137, 1);
            expected.Add(73, 1);
            expected.Add(BigInteger.Parse("99990001"), 1);
            var actual = factorizationTarget.Run(value);

            CollectionAssert.AreEquivalent(expected, actual);
        }
        public void RunTest()
        {
            var polynomialText = "((2*x+1)*(x-4))^2*(x+3)^3";

            // Os objectos responsáveis pelas operações sobre os coeficientes
            var bigIntegerDomain          = new BigIntegerDomain();
            var bigIntegerParser          = new BigIntegerParser <string>();
            var bigIntToIntegerConversion = new BigIntegerToIntegerConversion();
            var bigIntFractionConversion  = new OuterElementFractionConversion <int, BigInteger>(
                bigIntToIntegerConversion,
                bigIntegerDomain);

            var polynomial = TestsHelper.ReadFractionalCoeffsUnivarPol <BigInteger, BigIntegerDomain>(
                polynomialText,
                bigIntegerDomain,
                bigIntegerParser,
                bigIntFractionConversion,
                "x");

            var squareFreeFactorizationAlg = new SquareFreeFractionFactorizationAlg <BigInteger>(
                bigIntegerDomain);
            var result = squareFreeFactorizationAlg.Run(polynomial);

            // O teste passa se a expansão da factorização ser igual ao polinómio original.
            Assert.IsTrue(result.Factors.Count > 0, "At least two factors are expected.");
            var factorsEnum = result.Factors.GetEnumerator();

            if (factorsEnum.MoveNext())
            {
                var polynomialDomain = new UnivarPolynomPseudoDomain <BigInteger>(
                    "x",
                    bigIntegerDomain);
                var productPol = MathFunctions.Power(
                    factorsEnum.Current.Value,
                    factorsEnum.Current.Key,
                    polynomialDomain);
                while (factorsEnum.MoveNext())
                {
                    var temporary = MathFunctions.Power(
                        factorsEnum.Current.Value,
                        factorsEnum.Current.Key,
                        polynomialDomain);
                    productPol = polynomialDomain.Multiply(
                        productPol,
                        temporary);
                }

                var fractionField = new FractionField <BigInteger>(bigIntegerDomain);
                var expectedPol   = new UnivariatePolynomialNormalForm <Fraction <BigInteger> >("x");
                foreach (var term in productPol)
                {
                    expectedPol = expectedPol.Add(
                        result.IndependentCoeff.Multiply(term.Value, bigIntegerDomain),
                        term.Key,
                        fractionField);
                }

                Assert.AreEqual(expectedPol, polynomial);
            }
        }
Exemplo n.º 4
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        public void AddPowerTest_BigInteger()
        {
            var multiplier = new BigIntegerDomain();

            var intPowers    = new int[] { 2, 3, 4, 1, 20, 13 };
            var longPowers   = new long[] { 2, 3, 4, 1, 20, 13 };
            var bigIntPowers = new BigInteger[] { 2, 3, 4, 1, 20, 13 };

            var values   = new BigInteger[] { 13, 25, 11, 100, 2, 3 };
            var expected = new BigInteger[] { 26, 75, 44, 100, 40, 39 };

            // Potências inteiras.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.AddPower(values[i], intPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências longas
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.AddPower(values[i], longPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências com inteiros grandes.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.AddPower(values[i], bigIntPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }
        }
Exemplo n.º 5
0
        /// <summary>
        /// Permite efectuar a leitura de um polinómio com coeficientes fraccionários a partir de texto.
        /// </summary>
        /// <remarks>
        /// Se a leitura não for bem sucedida, é lançada uma excep~ção.
        /// </remarks>
        /// <param name="polynomial">O texto.</param>
        /// <returns>O polinómio.</returns>
        public UnivariatePolynomialNormalForm <Fraction <BigInteger> > Read(string polynomial)
        {
            var integerDomain  = new BigIntegerDomain();
            var fractionField  = new FractionField <BigInteger>(integerDomain);
            var integerParser  = new BigIntegerParser <string>();
            var fractionParser = new FieldDrivenExpressionParser <Fraction <BigInteger> >(
                new SimpleElementFractionParser <BigInteger>(integerParser, integerDomain),
                fractionField);
            var conversion      = new IntegerBigIntFractionConversion(integerDomain, new BigIntegerToIntegerConversion());
            var polInputReader  = new StringReader(polynomial);
            var polSymbolReader = new StringSymbolReader(polInputReader, false);
            var polParser       = new UnivariatePolynomialReader <Fraction <BigInteger>, CharSymbolReader <string> >(
                "x",
                fractionParser,
                fractionField);

            var result = default(UnivariatePolynomialNormalForm <Fraction <BigInteger> >);

            if (polParser.TryParsePolynomial(polSymbolReader, conversion, out result))
            {
                // O polinómio foi lido com sucesso.
                return(result);
            }
            else
            {
                // Não é possível ler o polinómio.
                throw new Exception("Can't read integer polynomial.");
            }
        }
Exemplo n.º 6
0
        public void PowerTest_BigInteger()
        {
            var multiplier = new BigIntegerDomain();

            var intPowers    = new int[] { 2, 3, 4, 1, 20, 13 };
            var longPowers   = new long[] { 2, 3, 4, 1, 20, 13 };
            var bigIntPowers = new BigInteger[] { 2, 3, 4, 1, 20, 13 };

            var values   = new BigInteger[] { 13, 25, 11, 100, 2, 3 };
            var expected = new BigInteger[] { 169, 15625, 14641, 100, 1048576, 1594323 };

            // Potências inteiras.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], intPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências longas
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], longPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências com inteiros grandes.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], bigIntPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências genéricas.
            var integerNumber    = new IntegerDomain();
            var longNumber       = new LongDomain();
            var bigIntegerNumber = new BigIntegerDomain();

            // Potências inteiras.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], intPowers[i], multiplier, integerNumber);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências longas
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], longPowers[i], multiplier, longNumber);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências com inteiros grandes.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], bigIntPowers[i], multiplier, bigIntegerNumber);
                Assert.AreEqual(expected[i], actual);
            }
        }
Exemplo n.º 7
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        public void RunTest_BigIntegerPolynomial()
        {
            var    integerDomain      = new BigIntegerDomain();
            var    fractionField      = new FractionField <BigInteger>(integerDomain);
            var    integerParser      = new BigIntegerParser <string>();
            var    conversion         = new BigIntegerToIntegerConversion();
            var    fractionConversion = new OuterElementFractionConversion <int, BigInteger>(conversion, integerDomain);
            string variableName       = "x";
            var    univarPolDomain    = new UnivarPolynomEuclideanDomain <Fraction <BigInteger> >(
                variableName,
                fractionField);

            var lagAlg     = new LagrangeAlgorithm <UnivariatePolynomialNormalForm <Fraction <BigInteger> > >(univarPolDomain);
            var firstValue = TestsHelper.ReadFractionalCoeffsUnivarPol <BigInteger, BigIntegerDomain>(
                "(x-1/2)^2*(x+1/3)^5",
                integerDomain,
                integerParser,
                fractionConversion,
                variableName);

            var secondValue = TestsHelper.ReadFractionalCoeffsUnivarPol <BigInteger, BigIntegerDomain>(
                "(x-1/2)^3*(x+1/3)^2",
                integerDomain,
                integerParser,
                fractionConversion,
                variableName);

            var gcd = TestsHelper.ReadFractionalCoeffsUnivarPol <BigInteger, BigIntegerDomain>(
                "(x-1/2)^2*(x+1/3)^2",
                integerDomain,
                integerParser,
                fractionConversion,
                variableName);
            var result = lagAlg.Run(firstValue, secondValue);

            var mainGcdCoeff = result.GreatestCommonDivisor.GetLeadingCoefficient(fractionField);
            var monicGcd     = result.GreatestCommonDivisor.Multiply(
                fractionField.MultiplicativeInverse(mainGcdCoeff),
                fractionField);

            Assert.AreEqual(gcd, monicGcd);

            var firstTermExpression  = univarPolDomain.Multiply(result.FirstFactor, result.FirstItem);
            var secondTermExpression = univarPolDomain.Multiply(result.SecondFactor, result.SecondItem);
            var actualExpression     = univarPolDomain.Add(firstTermExpression, secondTermExpression);

            Assert.AreEqual(result.GreatestCommonDivisor, actualExpression);

            actualExpression = univarPolDomain.Multiply(result.GreatestCommonDivisor, result.FirstCofactor);
            Assert.AreEqual(result.FirstItem, actualExpression);

            actualExpression = univarPolDomain.Multiply(result.GreatestCommonDivisor, result.SecondCofactor);
            Assert.AreEqual(result.SecondItem, actualExpression);
        }
Exemplo n.º 8
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        public void GreatCommonDivisorTest_BigIntegerNumber()
        {
            var domain       = new BigIntegerDomain();
            var firstValues  = new BigInteger[] { 6, 48, 3251, 100, 3528, 427 };
            var secondValues = new BigInteger[] { 12, 36, 4525, 75, 4116, 254 };
            var expected     = new BigInteger[] { 6, 12, 1, 25, 588, 1 };

            for (int i = 0; i < firstValues.Length; ++i)
            {
                var actual = MathFunctions.GreatCommonDivisor(firstValues[i], secondValues[i], domain);
                Assert.AreEqual(expected[i], actual);
            }
        }
        public void RunTest()
        {
            var inputMatrix  = "[[1,2,1],[2,-1,-1],[1,-1,3]]";
            var inputVector  = "[[1,2,3]]";
            var expectedText = "[[21/19,-6/19,10/19]]";

            var integerDomain       = new BigIntegerDomain();
            var integerParser       = new BigIntegerParser <string>();
            var fractionField       = new FractionField <BigInteger>(integerDomain);
            var fractionFieldParser = new FieldDrivenExpressionParser <Fraction <BigInteger> >(
                new SimpleElementFractionParser <BigInteger>(integerParser, integerDomain),
                fractionField);
            var matrixFactory = new ArrayMathMatrixFactory <Fraction <BigInteger> >();

            // Leitura da matriz que representa o sistema de equações.
            var coeffsMatrix = TestsHelper.ReadMatrix <Fraction <BigInteger> >(
                3,
                3,
                inputMatrix,
                (i, j) => new ArrayMathMatrix <Fraction <BigInteger> >(i, j),
                fractionFieldParser);

            // Leitura do vector de termos independente.
            var vectorMatrix = TestsHelper.ReadMatrix <Fraction <BigInteger> >(
                3,
                1,
                inputVector,
                (i, j) => new ArrayMathMatrix <Fraction <BigInteger> >(i, j),
                fractionFieldParser);

            var expectedMatrix = TestsHelper.ReadMatrix <Fraction <BigInteger> >(
                3,
                1,
                expectedText,
                (i, j) => new ArrayMathMatrix <Fraction <BigInteger> >(i, j),
                fractionFieldParser);

            var systemSolver = new SequentialLanczosAlgorithm <Fraction <BigInteger>, FractionField <BigInteger> >(
                matrixFactory,
                fractionField);
            var squareMatrix = (coeffsMatrix as ArrayMathMatrix <Fraction <BigInteger> >).AsSquare();
            var actual       = systemSolver.Run(squareMatrix, vectorMatrix);

            for (int i = 0; i < 3; ++i)
            {
                Assert.AreEqual(expectedMatrix[i, 0], actual[i, 0]);
            }
        }
Exemplo n.º 10
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        public void AddPowerTest_BigIntegerFraction()
        {
            var domain     = new BigIntegerDomain();
            var multiplier = new FractionField <BigInteger>(domain);

            var intPowers    = new int[] { 2, 3, 4, 1, 20, 13 };
            var longPowers   = new long[] { 2, 3, 4, 1, 20, 13 };
            var bigIntPowers = new BigInteger[] { 2, 3, 4, 1, 20, 13 };

            var values = new[] {
                new Fraction <BigInteger>(13, 17, domain),
                new Fraction <BigInteger>(25, 23, domain),
                new Fraction <BigInteger>(11, 15, domain),
                new Fraction <BigInteger>(100, 99, domain),
                new Fraction <BigInteger>(1, 2, domain),
                new Fraction <BigInteger>(3, 5, domain)
            };

            var expected = new[] {
                new Fraction <BigInteger>(26, 17, domain),
                new Fraction <BigInteger>(75, 23, domain),
                new Fraction <BigInteger>(44, 15, domain),
                new Fraction <BigInteger>(100, 99, domain),
                new Fraction <BigInteger>(10, 1, domain),
                new Fraction <BigInteger>(39, 5, domain)
            };

            // Potências inteiras.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.AddPower(values[i], intPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências longas
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.AddPower(values[i], longPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências com inteiros grandes.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.AddPower(values[i], bigIntPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }
        }
Exemplo n.º 11
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        public void RunTest_BigInteger()
        {
            var integerSquareRootAlg = new BigIntSquareRootAlgorithm();
            var integerNumber        = new BigIntegerDomain();
            var factorizationAlg     = new NaiveIntegerFactorizationAlgorithm <BigInteger>(
                integerSquareRootAlg,
                integerNumber);
            var value    = BigInteger.Parse("1000000000001");
            var expected = new Dictionary <BigInteger, int>();

            expected.Add(137, 1);
            expected.Add(73, 1);
            expected.Add(BigInteger.Parse("99990001"), 1);
            var actual = factorizationAlg.Run(value);

            CollectionAssert.AreEquivalent(expected, actual);
        }
Exemplo n.º 12
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        public void RunTest_BigInteger()
        {
            var squareRootAlgorithm = new BigIntSquareRootAlgorithm();
            var primeNumberFactory  = new BigIntegerPrimeNumbersIteratorFactory();
            var integerNumber       = new BigIntegerDomain();
            var totientAlgorithm    = new EulerTotFuncAlg <BigInteger>(
                squareRootAlgorithm,
                primeNumberFactory,
                integerNumber);
            var values   = new[] { 1, 12, 343, 720, 73, 100 };
            var expected = new[] { 1, 4, 294, 192, 72, 40 };

            for (int i = 0; i < values.Length; ++i)
            {
                var actual = totientAlgorithm.Run(values[i]);
                Assert.AreEqual(expected[i], actual);
            }
        }
Exemplo n.º 13
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        public void RunTest_BigInteger()
        {
            var integerDomain = new BigIntegerDomain();
            var lagAlg        = new LagrangeAlgorithm <BigInteger>(integerDomain);
            var firstValue    = BigInteger.Parse("91986494539681");
            var secondValue   = BigInteger.Parse("19645957369297");
            var result        = lagAlg.Run(firstValue, secondValue);

            Assert.AreEqual(9590959, result.GreatestCommonDivisor);

            var actualExpression = result.FirstFactor * result.FirstItem + result.SecondFactor * result.SecondItem;

            Assert.AreEqual(result.GreatestCommonDivisor, actualExpression);

            actualExpression = result.GreatestCommonDivisor * result.FirstCofactor;
            Assert.AreEqual(result.FirstItem, actualExpression);

            actualExpression = result.GreatestCommonDivisor * result.SecondCofactor;
            Assert.AreEqual(result.SecondItem, actualExpression);
        }
Exemplo n.º 14
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        public void RunTest_BigIntegerMatrix()
        {
            // A leitura é realizada por colunas.
            var matrixText    = "[[100000,1001,20005], [32534,4245341,56134513451], [21346136,1134613,1136135613]]";
            var integerDomain = new BigIntegerDomain();
            var variableName  = "x";
            var integerParser = new BigIntegerParser <string>();
            var conversion    = new BigIntegerToIntegerConversion();
            var matrix        = TestsHelper.ReadMatrix <BigInteger>(
                3,
                3,
                matrixText,
                (i, j) => new ArraySquareMathMatrix <BigInteger>(i),
                integerParser);
            var fastDivFreeCharacPolAlg = new FastDivisionFreeCharPolynomCalculator <BigInteger>(variableName, integerDomain);
            var expected = TestsHelper.ReadUnivarPolynomial("1*x^3+-1140480954*x^2-58754054577367644*x+4689162494877443109176", integerDomain, integerParser, conversion, variableName);
            var actual   = fastDivFreeCharacPolAlg.Run(matrix as ISquareMathMatrix <BigInteger>);

            Assert.AreEqual(expected, actual);
        }
Exemplo n.º 15
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        public void Statistcs_ListGeneralizeMeanBlockAlgorithmTest()
        {
            var target = new ListGeneralizedMeanAlgorithm <int, double>(
                i => i,
                d => d,
                (d, i) => d / i,
                new DoubleField());
            var blockNumber = 2500;

            var integerSequence = new List <int>();

            for (var i = 1; i < 5500; ++i)
            {
                integerSequence.Add(i);
                var expected = (i + 1) / 2.0;
                var actual   = target.Run <double>(
                    integerSequence,
                    blockNumber,
                    (j, k) => j / (double)k,
                    (d1, d2) => d1 * d2);
                Assert.IsTrue(Math.Abs(expected - actual) < 0.001);
            }

            var n = 1000500;

            for (var i = 5500; i <= n; ++i)
            {
                integerSequence.Add(i);
            }

            var outerExpected = (n + 1) / 2.0;
            var outerActual   = target.Run <double>(
                integerSequence,
                blockNumber,
                (j, k) => j / (double)k,
                (d1, d2) => d1 * d2);

            Assert.AreEqual(outerExpected, outerActual);

            var integerDomain = new BigIntegerDomain();
            var fractionField = new FractionField <BigInteger>(integerDomain);
            var fracTarget    = new ListGeneralizedMeanAlgorithm <int, Fraction <BigInteger> >(
                i => new Fraction <BigInteger>(i, 1, integerDomain),
                d => d,
                (d, i) => d.Divide(i, integerDomain),
                fractionField);

            var fractionExpected = new Fraction <BigInteger>(n + 1, 2, integerDomain);
            var fractionActual   = fracTarget.Run <Fraction <BigInteger> >(
                integerSequence,
                blockNumber,
                (j, k) => new Fraction <BigInteger>(j, k, integerDomain),
                (d1, d2) => d1.Multiply(d2, integerDomain));

            Assert.AreEqual(fractionExpected, fractionActual);

            // Teste com alteração da função directa
            fracTarget.DirectFunction = i => new Fraction <BigInteger>(new BigInteger(i) * i, 1, integerDomain);
            fractionExpected          = new Fraction <BigInteger>(
                (new BigInteger(n) + BigInteger.One) * (2 * new BigInteger(n) + 1), 6, integerDomain);
            fractionActual = fracTarget.Run <Fraction <BigInteger> >(
                integerSequence,
                blockNumber,
                (j, k) => new Fraction <BigInteger>(j, k, integerDomain),
                (d1, d2) => d1.Multiply(d2, integerDomain));

            // Teste com transformação
            var transformedTarget = new ListGeneralizedMeanAlgorithm <BigInteger, Fraction <BigInteger> >(
                i => new Fraction <BigInteger>(i, 1, integerDomain),
                d => d,
                (d, i) => d.Divide(i, integerDomain),
                fractionField);
            var transformedSeq = new TransformList <int, BigInteger>(
                integerSequence,
                i => new BigInteger(i) * i);
            var transformedExpected = new Fraction <BigInteger>(
                (new BigInteger(n) + BigInteger.One) * (2 * new BigInteger(n) + 1), 6, integerDomain);
            var transformedActual = transformedTarget.Run <Fraction <BigInteger> >(
                transformedSeq,
                blockNumber,
                (j, k) => new Fraction <BigInteger>(j, k, integerDomain),
                (d1, d2) => d1.Multiply(d2, integerDomain));

            Assert.AreEqual(transformedExpected, transformedActual);
        }
Exemplo n.º 16
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        public void PowerTest_FractionPolynomial()
        {
            var integerDomain    = new IntegerDomain();
            var longDomain       = new LongDomain();
            var bigIntegerDomain = new BigIntegerDomain();

            var variableName           = "x";
            var integerPolynomialField = new UnivarPolynomEuclideanDomain <Fraction <int> >(
                variableName,
                new FractionField <int>(integerDomain));
            var longPolynomialField = new UnivarPolynomEuclideanDomain <Fraction <long> >(
                variableName,
                new FractionField <long>(longDomain));
            var bigIntegerPolynomialField = new UnivarPolynomEuclideanDomain <Fraction <BigInteger> >(
                variableName,
                new FractionField <BigInteger>(bigIntegerDomain));

            // Leitores
            var integerParser    = new IntegerParser <string>();
            var longParser       = new LongParser <string>();
            var bigIntegerParser = new BigIntegerParser <string>();

            var integerConversion             = new OuterElementFractionConversion <int, int>(new ElementToElementConversion <int>(), integerDomain);
            var longToIntegerConversion       = new OuterElementFractionConversion <int, long>(new LongToIntegerConversion(), longDomain);
            var bigIntegerToIntegerConversion = new OuterElementFractionConversion <int, BigInteger>(new BigIntegerToIntegerConversion(), bigIntegerDomain);

            var intPowers = new int[3] {
                2, 3, 4
            };
            var longPowers = new long[3] {
                2, 3, 4
            };
            var bigIntPowers = new BigInteger[3] {
                2, 3, 4
            };

            var polynomialsTexts = new string[3] {
                "1/3*x^3-2/3*x^2+3/2*x-1/2", "2*x^2+4/3*x+4/9", "7/5*x+1"
            };
            var expectedPolinomialsTexts = new string[3] {
                "1/9*x^6-4/9*x^5+13/9*x^4-7/3*x^3+35/12*x^2-3/2*x+1/4",
                "8*x^6+16*x^5+16*x^4+256/27*x^3+32/9*x^2+64/81*x+64/729",
                "2401/625*x^4+1372/125*x^3+294/25*x^2+28/5*x+1"
            };

            // Coeficientes inteiros.
            for (int i = 0; i < 3; ++i)
            {
                var polynomialValue = TestsHelper.ReadFractionalCoeffsUnivarPol(
                    polynomialsTexts[i],
                    integerDomain,
                    integerParser,
                    integerConversion,
                    variableName);

                var expectedPolynomial = TestsHelper.ReadFractionalCoeffsUnivarPol(
                    expectedPolinomialsTexts[i],
                    integerDomain,
                    integerParser,
                    integerConversion,
                    variableName);

                var actualPolynomial = MathFunctions.Power(polynomialValue, intPowers[i], integerPolynomialField);
                Assert.AreEqual(expectedPolynomial, actualPolynomial);
            }

            // Coeficientes longos.
            for (int i = 0; i < 3; ++i)
            {
                var polynomialValue = TestsHelper.ReadFractionalCoeffsUnivarPol(
                    polynomialsTexts[i],
                    longDomain,
                    longParser,
                    longToIntegerConversion,
                    variableName);

                var expectedPolynomial = TestsHelper.ReadFractionalCoeffsUnivarPol(
                    expectedPolinomialsTexts[i],
                    longDomain,
                    longParser,
                    longToIntegerConversion,
                    variableName);

                var actualPolynomial = MathFunctions.Power(polynomialValue, intPowers[i], longPolynomialField);
                Assert.AreEqual(expectedPolynomial, actualPolynomial);
            }

            // Coeficientes correspondentes a inteiros de precisão arbitrária.
            for (int i = 0; i < 3; ++i)
            {
                var polynomialValue = TestsHelper.ReadFractionalCoeffsUnivarPol(
                    polynomialsTexts[i],
                    bigIntegerDomain,
                    bigIntegerParser,
                    bigIntegerToIntegerConversion,
                    variableName);

                var expectedPolynomial = TestsHelper.ReadFractionalCoeffsUnivarPol(
                    expectedPolinomialsTexts[i],
                    bigIntegerDomain,
                    bigIntegerParser,
                    bigIntegerToIntegerConversion,
                    variableName);

                var actualPolynomial = MathFunctions.Power(polynomialValue, intPowers[i], bigIntegerPolynomialField);
                Assert.AreEqual(expectedPolynomial, actualPolynomial);
            }
        }
Exemplo n.º 17
0
        public void Statistcs_EnumGeneralizeMeanAlgorithmTest()
        {
            var integerNumb = new IntegerDomain();
            var target      = new EnumGeneralizedMeanAlgorithm <int, double, int>(
                i => i,
                d => d,
                (d, i) => d / i,
                new DoubleField(),
                integerNumb);

            var integerSequence = new IntegerSequence();

            for (var i = 1; i < 5000; ++i)
            {
                integerSequence.Add(i);
                var expected = (i + 1) / 2.0;
                var actual   = target.Run(integerSequence);
                Assert.AreEqual(expected, actual);
            }

            integerSequence = new IntegerSequence();
            var n = 1000000;

            integerSequence.Add(1, n);
            var outerExpected = (n + 1) / 2.0;
            var outerActual   = target.Run(integerSequence);

            Assert.AreEqual(outerExpected, outerActual);

            var bigIntegerDomain = new BigIntegerDomain();
            var fractionField    = new FractionField <BigInteger>(bigIntegerDomain);
            var fractionTarget   = new EnumGeneralizedMeanAlgorithm <int, Fraction <BigInteger>, int>(
                i => new Fraction <BigInteger>(i, 1, bigIntegerDomain),
                d => d,
                (d, i) => d.Divide(i, bigIntegerDomain),
                fractionField,
                integerNumb);
            var fractionExpected = new Fraction <BigInteger>(n + 1, 2, bigIntegerDomain);
            var fractionActual   = fractionTarget.Run(integerSequence);

            Assert.AreEqual(fractionExpected, fractionActual);

            // Teste com alteração da função directa
            fractionTarget.DirectFunction = i => new Fraction <BigInteger>(new BigInteger(i) * i, 1, bigIntegerDomain);
            fractionExpected = new Fraction <BigInteger>(
                (new BigInteger(n) + BigInteger.One) * (2 * new BigInteger(n) + 1), 6, bigIntegerDomain);
            fractionActual = fractionTarget.Run(integerSequence);
            Assert.AreEqual(fractionExpected, fractionActual);

            // Teste com transformação
            var transformedTarget = new EnumGeneralizedMeanAlgorithm <BigInteger, Fraction <BigInteger>, int>(
                i => new Fraction <BigInteger>(i, 1, bigIntegerDomain),
                d => d,
                (d, i) => d.Divide(i, bigIntegerDomain),
                fractionField,
                integerNumb);
            var transformedSeq = new TransformEnumerable <int, BigInteger>(
                integerSequence,
                i => new BigInteger(i) * i);
            var transformedExpected = new Fraction <BigInteger>(
                (new BigInteger(n) + BigInteger.One) * (2 * new BigInteger(n) + 1), 6, bigIntegerDomain);
            var transformedActual = transformedTarget.Run(transformedSeq);

            Assert.AreEqual(transformedExpected, transformedActual);
        }
Exemplo n.º 18
0
        public void PowerTest_IntegerPolynomial()
        {
            var integerDomain    = new IntegerDomain();
            var longDomain       = new LongDomain();
            var bigIntegerDomain = new BigIntegerDomain();

            var variableName        = "x";
            var intPolDomain        = new UnivarPolynomRing <int>(variableName, integerDomain);
            var longPolDomain       = new UnivarPolynomRing <long>(variableName, longDomain);
            var bigIntegerPolDomain = new UnivarPolynomRing <BigInteger>(variableName, bigIntegerDomain);

            // Leitores
            var integerParser    = new IntegerParser <string>();
            var longParser       = new LongParser <string>();
            var bigIntegerParser = new BigIntegerParser <string>();

            var integerConversion             = new ElementToElementConversion <int>();
            var longToIntegerConversion       = new LongToIntegerConversion();
            var bigIntegerToIntegerConversion = new BigIntegerToIntegerConversion();

            var intPowers = new int[3] {
                2, 3, 4
            };
            var longPowers = new long[3] {
                2, 3, 4
            };
            var bigIntPowers = new BigInteger[3] {
                2, 3, 4
            };

            var polynomialsTexts = new string[3] {
                "x^3-2*x^2+3*x-1", "2*x^2+4*x+4", "x+1"
            };
            var expectedPolinomialsTexts = new string[3] {
                "x^6-4*x^5+10*x^4-14*x^3+13*x^2-6*x+1",
                "8*x^6+48*x^5+144*x^4+256*x^3+288*x^2+192*x+64",
                "x^4+4*x^3+6*x^2+4*x+1"
            };

            // Coeficientes inteiros.
            for (int i = 0; i < 3; ++i)
            {
                var polynomialValue = TestsHelper.ReadUnivarPolynomial(
                    polynomialsTexts[i],
                    integerDomain,
                    integerParser,
                    integerConversion,
                    variableName);

                var expectedPolynomial = TestsHelper.ReadUnivarPolynomial(
                    expectedPolinomialsTexts[i],
                    integerDomain,
                    integerParser,
                    integerConversion,
                    variableName);

                var actualPolynomial = MathFunctions.Power(polynomialValue, intPowers[i], intPolDomain);
                Assert.AreEqual(expectedPolynomial, actualPolynomial);
            }

            // Coeficientes longos.
            for (int i = 0; i < 3; ++i)
            {
                var polynomialValue = TestsHelper.ReadUnivarPolynomial(
                    polynomialsTexts[i],
                    longDomain,
                    longParser,
                    longToIntegerConversion,
                    variableName);

                var expectedPolynomial = TestsHelper.ReadUnivarPolynomial(
                    expectedPolinomialsTexts[i],
                    longDomain,
                    longParser,
                    longToIntegerConversion,
                    variableName);

                var actualPolynomial = MathFunctions.Power(polynomialValue, intPowers[i], longPolDomain);
                Assert.AreEqual(expectedPolynomial, actualPolynomial);
            }

            // Coeficientes correspondentes a inteiros de precisão arbitrária.
            for (int i = 0; i < 3; ++i)
            {
                var polynomialValue = TestsHelper.ReadUnivarPolynomial(
                    polynomialsTexts[i],
                    bigIntegerDomain,
                    bigIntegerParser,
                    bigIntegerToIntegerConversion,
                    variableName);

                var expectedPolynomial = TestsHelper.ReadUnivarPolynomial(
                    expectedPolinomialsTexts[i],
                    bigIntegerDomain,
                    bigIntegerParser,
                    bigIntegerToIntegerConversion,
                    variableName);

                var actualPolynomial = MathFunctions.Power(polynomialValue, intPowers[i], bigIntegerPolDomain);
                Assert.AreEqual(expectedPolynomial, actualPolynomial);
            }
        }
Exemplo n.º 19
0
        public void GetPolynomialDerivativeTest_IntegerMatrix()
        {
            // Os valores a serem lidos
            var polynomialText           = "[[1,2],[3,4]]*x^2-[[1,0],[0,1]]*x+[[7,6],[9,8]]";
            var polynomialDerivativeText = "[[2,4],[6,8]]*x+[[-1,0],[0,-1]]";
            var variableName             = "x";

            var arrayDelimiters = new Dictionary <string, string>();

            arrayDelimiters.Add("left_bracket", "right_bracket");

            // Os domínios responsáveis sobre as operações sobre os inteiros.
            var integerDomain    = new IntegerDomain();
            var longDomain       = new LongDomain();
            var bigIntegerDomain = new BigIntegerDomain();

            // Os leitore sde inteiros
            var integerParser    = new IntegerParser <string>();
            var longParser       = new LongParser <string>();
            var bigIntegerParser = new BigIntegerParser <string>();

            // As fábricas responsáveis pela instanciação de matrizes
            var integerSquareArrayMatrixfactory    = new ArraySquareMatrixFactory <int>();
            var longSquareArrayMatrixFactory       = new ArraySquareMatrixFactory <long>();
            var bigIntegerSquareArrayMatrixfactory = new ArraySquareMatrixFactory <BigInteger>();

            // Os anéis de matrizes
            var integerGenericMatrixRing = new GeneralMatrixRing <int>(
                2,
                integerSquareArrayMatrixfactory,
                integerDomain);
            var longGenericMatrixRing = new GeneralMatrixRing <long>(
                2,
                longSquareArrayMatrixFactory,
                longDomain);
            var bigIntegerGenericMatrixRing = new GeneralMatrixRing <BigInteger>(
                2,
                bigIntegerSquareArrayMatrixfactory,
                bigIntegerDomain);

            // Os objectos responsáveis pela conversão entre os coeficientes e o grau (inteiro)
            var integerMatrixConversion    = new CantConvertConversion <int, IMatrix <int> >();
            var longMatrixConversion       = new CantConvertConversion <int, IMatrix <long> >();
            var bigIntegerMatrixConversion = new CantConvertConversion <int, IMatrix <BigInteger> >();

            var integerMatrixConfigParser = new ConfigMatrixParser <int, IMatrix <int> >(
                integerParser,
                2,
                2,
                (i, j) => integerSquareArrayMatrixfactory.CreateMatrix(i, j));

            integerMatrixConfigParser.SeparatorSymbType = "comma";
            integerMatrixConfigParser.MapInternalDelimiters("left_bracket", "right_bracket");
            integerMatrixConfigParser.AddBlanckSymbolType("blancks");

            var longMatrixConfigParser = new ConfigMatrixParser <long, IMatrix <long> >(
                longParser,
                2,
                2,
                (i, j) => longSquareArrayMatrixFactory.CreateMatrix(i, j));

            longMatrixConfigParser.SeparatorSymbType = "comma";
            longMatrixConfigParser.MapInternalDelimiters("left_bracket", "right_bracket");
            longMatrixConfigParser.AddBlanckSymbolType("blancks");

            var bigIntegerMatrixConfigParser = new ConfigMatrixParser <BigInteger, IMatrix <BigInteger> >(
                bigIntegerParser,
                2,
                2,
                (i, j) => bigIntegerSquareArrayMatrixfactory.CreateMatrix(i, j));

            bigIntegerMatrixConfigParser.SeparatorSymbType = "comma";
            bigIntegerMatrixConfigParser.MapInternalDelimiters("left_bracket", "right_bracket");
            bigIntegerMatrixConfigParser.AddBlanckSymbolType("blancks");

            // Leitura dos polinómios e subsequente teste.
            var integerPolynomial = TestsHelper.ReadUnivarPolynomial <IMatrix <int> >(
                polynomialText,
                integerGenericMatrixRing,
                integerMatrixConfigParser,
                integerMatrixConversion,
                variableName,
                arrayDelimiters);
            var integerExpectedDerivative = TestsHelper.ReadUnivarPolynomial(
                polynomialDerivativeText,
                integerGenericMatrixRing,
                integerMatrixConfigParser,
                integerMatrixConversion,
                variableName,
                arrayDelimiters,
                true);
            var integerActualDerivative = integerPolynomial.GetPolynomialDerivative(integerGenericMatrixRing);

            Assert.IsTrue(
                new UnivarPolynomNormalFormEqualityComparer <IMatrix <int> >(integerGenericMatrixRing).Equals(integerExpectedDerivative, integerActualDerivative),
                string.Format("Expected {0} isn't equal to actual {1}.", integerExpectedDerivative, integerActualDerivative));

            var longPolynomial = TestsHelper.ReadUnivarPolynomial(
                polynomialText,
                longGenericMatrixRing,
                longMatrixConfigParser,
                longMatrixConversion,
                variableName,
                arrayDelimiters);
            var longExpectedDerivative = TestsHelper.ReadUnivarPolynomial(
                polynomialDerivativeText,
                longGenericMatrixRing,
                longMatrixConfigParser,
                longMatrixConversion,
                variableName,
                arrayDelimiters,
                true);
            var longActualDerivative = longPolynomial.GetPolynomialDerivative(longGenericMatrixRing);

            Assert.IsTrue(
                new UnivarPolynomNormalFormEqualityComparer <IMatrix <long> >(longGenericMatrixRing).Equals(longExpectedDerivative, longActualDerivative),
                string.Format("Expected {0} isn't equal to actual {1}.", integerExpectedDerivative, integerActualDerivative));

            var bigIntegerPolynomial = TestsHelper.ReadUnivarPolynomial(
                polynomialText,
                bigIntegerGenericMatrixRing,
                bigIntegerMatrixConfigParser,
                bigIntegerMatrixConversion,
                variableName,
                arrayDelimiters);
            var bigIntegerExpectedDerivative = TestsHelper.ReadUnivarPolynomial(
                polynomialDerivativeText,
                bigIntegerGenericMatrixRing,
                bigIntegerMatrixConfigParser,
                bigIntegerMatrixConversion,
                variableName,
                arrayDelimiters,
                true);
            var bigIntegerActualDerivative = bigIntegerPolynomial.GetPolynomialDerivative(bigIntegerGenericMatrixRing);

            Assert.IsTrue(
                new UnivarPolynomNormalFormEqualityComparer <IMatrix <BigInteger> >(
                    bigIntegerGenericMatrixRing).Equals(bigIntegerExpectedDerivative,
                                                        bigIntegerActualDerivative),
                string.Format("Expected {0} isn't equal to actual {1}.", integerExpectedDerivative, integerActualDerivative));
        }
Exemplo n.º 20
0
        public void GetPolynomialDerivativeTest_IntegerPolynomialAsCoefficients()
        {
            var polynomialText           = "(y^2+y+1)*x^3-2*x^2*y+x*(y^5-3)+4";
            var polynomialDerivativeText = "3*(y^2+y+1)*x^2-4*y*x+y^5-3";
            var variableName             = "x";
            var coeffsVariableName       = "y";

            // Os domínios responsáveis pelas operações sobre os inteiros.
            var integerDomain    = new IntegerDomain();
            var longDomain       = new LongDomain();
            var bigIntegerDomain = new BigIntegerDomain();

            // Os leitore sde inteiros
            var integerParser    = new IntegerParser <string>();
            var longParser       = new LongParser <string>();
            var bigIntegerParser = new BigIntegerParser <string>();

            // Definição das conversões.
            var integerConversion    = new ElementToElementConversion <int>();
            var longConversion       = new LongToIntegerConversion();
            var bigIntegerConversion = new BigIntegerToIntegerConversion();

            var integerPolConvertion = new UnivarPolynomNormalFormToIntegerConversion <int>(
                coeffsVariableName,
                integerConversion,
                integerDomain);
            var longPolConvertion = new UnivarPolynomNormalFormToIntegerConversion <long>(
                coeffsVariableName,
                longConversion,
                longDomain);
            var bigIntegerPolConvertion = new UnivarPolynomNormalFormToIntegerConversion <BigInteger>(
                coeffsVariableName,
                bigIntegerConversion,
                bigIntegerDomain);

            // Definição dos anéis polinomiais.
            var integerPolynomialRing    = new UnivarPolynomRing <int>(coeffsVariableName, integerDomain);
            var longPolynomialRing       = new UnivarPolynomRing <long>(coeffsVariableName, longDomain);
            var bigIntegerPolynomialRing = new UnivarPolynomRing <BigInteger>(coeffsVariableName, bigIntegerDomain);

            // Definição dos leitores polinomiais.
            var integerPolynomialParser = new UnivarPolNormalFormParser <int>(
                coeffsVariableName,
                integerConversion,
                integerParser,
                integerDomain);
            var longPolynomialParser = new UnivarPolNormalFormParser <long>(
                coeffsVariableName,
                longConversion,
                longParser,
                longDomain);
            var bigIntegerPolynomialParser = new UnivarPolNormalFormParser <BigInteger>(
                coeffsVariableName,
                bigIntegerConversion,
                bigIntegerParser,
                bigIntegerDomain);

            // Definição dos testes.
            var integerPolynomial = TestsHelper.ReadUnivarPolynomial <UnivariatePolynomialNormalForm <int> >(
                polynomialText,
                integerPolynomialRing,
                integerPolynomialParser,
                integerPolConvertion,
                variableName);
            var integerExpectedPol = TestsHelper.ReadUnivarPolynomial <UnivariatePolynomialNormalForm <int> >(
                polynomialDerivativeText,
                integerPolynomialRing,
                integerPolynomialParser,
                integerPolConvertion,
                variableName);
            var integerActualPlynomial = integerPolynomial.GetPolynomialDerivative(integerPolynomialRing);

            Assert.AreEqual(integerExpectedPol, integerActualPlynomial);

            var longPolynomial = TestsHelper.ReadUnivarPolynomial <UnivariatePolynomialNormalForm <long> >(
                polynomialText,
                longPolynomialRing,
                longPolynomialParser,
                longPolConvertion,
                variableName);
            var longExpectedPol = TestsHelper.ReadUnivarPolynomial <UnivariatePolynomialNormalForm <long> >(
                polynomialDerivativeText,
                longPolynomialRing,
                longPolynomialParser,
                longPolConvertion,
                variableName);
            var longActualPlynomial = longPolynomial.GetPolynomialDerivative(longPolynomialRing);

            Assert.AreEqual(longExpectedPol, longActualPlynomial);

            var bigIntegerPolynomial = TestsHelper.ReadUnivarPolynomial <UnivariatePolynomialNormalForm <BigInteger> >(
                polynomialText,
                bigIntegerPolynomialRing,
                bigIntegerPolynomialParser,
                bigIntegerPolConvertion,
                variableName);
            var bigIntegerExpectedPol = TestsHelper.ReadUnivarPolynomial <UnivariatePolynomialNormalForm <BigInteger> >(
                polynomialDerivativeText,
                bigIntegerPolynomialRing,
                bigIntegerPolynomialParser,
                bigIntegerPolConvertion,
                variableName);
            var bigIntegerActualPlynomial = bigIntegerPolynomial.GetPolynomialDerivative(bigIntegerPolynomialRing);

            Assert.AreEqual(bigIntegerExpectedPol, bigIntegerExpectedPol);
        }
Exemplo n.º 21
0
        public void GetPolynomialDerivativeTest_SimpleInteger()
        {
            // Representação dos polinómios.
            var polynomText       = "x^1000-2*x^550+1000*x^10+50";
            var polDerivativeText = "1000*x^999-1100*x^549+10000*x^9";

            var variableName = "x";

            // Estabelece os domínios.
            var integerDomain    = new IntegerDomain();
            var longDomain       = new LongDomain();
            var bigIntegerDomain = new BigIntegerDomain();

            // Estabelece os conversores.
            var integerToIntegerConv           = new ElementToElementConversion <int>();
            var integerToLongConv              = new LongToIntegerConversion();
            var integerToBigIntegerConvsersion = new BigIntegerToIntegerConversion();

            // Estabelece os leitores individuais.
            var integerParser    = new IntegerParser <string>();
            var longParser       = new LongParser <string>();
            var bigIntegerParser = new BigIntegerParser <string>();

            // Estabelece os polinómios.
            var integerPolynomial = TestsHelper.ReadUnivarPolynomial(
                polynomText,
                integerDomain,
                integerParser,
                integerToIntegerConv,
                variableName);
            var integerExpectedPolynomial = TestsHelper.ReadUnivarPolynomial(
                polDerivativeText,
                integerDomain,
                integerParser,
                integerToIntegerConv,
                variableName);
            var integerActualDerivative = integerPolynomial.GetPolynomialDerivative(integerDomain);

            // Verifica se os polinómios são válidos.
            Assert.AreEqual(integerExpectedPolynomial, integerActualDerivative);

            // Estabelece os polinómios.
            var longPolynomial = TestsHelper.ReadUnivarPolynomial(
                polynomText,
                longDomain,
                longParser,
                integerToLongConv,
                variableName);
            var longExpectedPolynomial = TestsHelper.ReadUnivarPolynomial(
                polDerivativeText,
                longDomain,
                longParser,
                integerToLongConv,
                variableName);
            var longActualDerivative = longPolynomial.GetPolynomialDerivative(longDomain);

            // Verifica se os polinómios são válidos.
            Assert.AreEqual(longExpectedPolynomial, longActualDerivative);

            // Estabelece os polinómios.
            var bigIntegerPolynomial = TestsHelper.ReadUnivarPolynomial(
                polynomText,
                bigIntegerDomain,
                bigIntegerParser,
                integerToBigIntegerConvsersion,
                variableName);
            var bigIntegerExpectedPolynomial = TestsHelper.ReadUnivarPolynomial(
                polDerivativeText,
                bigIntegerDomain,
                bigIntegerParser,
                integerToBigIntegerConvsersion,
                variableName);
            var bigIntegerActualDerivative = bigIntegerPolynomial.GetPolynomialDerivative(bigIntegerDomain);

            // Verifica se os polinómios são válidos.
            Assert.AreEqual(bigIntegerExpectedPolynomial, bigIntegerActualDerivative);
        }
Exemplo n.º 22
0
        public void GetPolynomialDerivativeTest_IntegerFraction()
        {
            var polynomialText           = "1/2*x^5+3/4*x^4-2/7*x^3+5/3*x^2+1/5*x+9";
            var polynomialDerivativeText = "5/2*x^4+3*x^3-6/7*x^2+10/3*x+1/5";
            var variableName             = "x";

            var integerDomain    = new IntegerDomain();
            var longDomain       = new LongDomain();
            var bigIntegerDomain = new BigIntegerDomain();

            var integerParser    = new IntegerParser <string>();
            var longParser       = new LongParser <string>();
            var bigIntegerParser = new BigIntegerParser <string>();

            var longConversion       = new LongToIntegerConversion();
            var bigIntegerConversion = new BigIntegerToIntegerConversion();

            var integerFractionConversion    = new ElementFractionConversion <int>(integerDomain);
            var longfractionConversion       = new OuterElementFractionConversion <int, long>(longConversion, longDomain);
            var bigIntegerfractionConversion = new OuterElementFractionConversion <int, BigInteger>(bigIntegerConversion, bigIntegerDomain);

            var integerFractionField    = new FractionField <int>(integerDomain);
            var longFractionField       = new FractionField <long>(longDomain);
            var bigIntegerFractionField = new FractionField <BigInteger>(bigIntegerDomain);

            // Coeficientes inteiros
            var integerPolynomial = TestsHelper.ReadFractionalCoeffsUnivarPol <int, IntegerDomain>(
                polynomialText,
                integerDomain,
                integerParser,
                integerFractionConversion,
                variableName);

            var integerPolynomialDerivative = TestsHelper.ReadFractionalCoeffsUnivarPol <int, IntegerDomain>(
                polynomialDerivativeText,
                integerDomain,
                integerParser,
                integerFractionConversion,
                variableName);
            var integerActualPolDerivative = integerPolynomial.GetPolynomialDerivative(integerFractionField);

            Assert.AreEqual(integerPolynomialDerivative, integerActualPolDerivative);

            // Coeficientes longos
            var longPolynomial = TestsHelper.ReadFractionalCoeffsUnivarPol <long, LongDomain>(
                polynomialText,
                longDomain,
                longParser,
                longfractionConversion,
                variableName);

            var longPolynomialDerivative = TestsHelper.ReadFractionalCoeffsUnivarPol <long, LongDomain>(
                polynomialDerivativeText,
                longDomain,
                longParser,
                longfractionConversion,
                variableName);
            var longActualPolDerivative = longPolynomial.GetPolynomialDerivative(longFractionField);

            Assert.AreEqual(longPolynomialDerivative, longActualPolDerivative);

            var bigIntegerPolynomial = TestsHelper.ReadFractionalCoeffsUnivarPol <BigInteger, BigIntegerDomain>(
                polynomialText,
                bigIntegerDomain,
                bigIntegerParser,
                bigIntegerfractionConversion,
                variableName);

            var bigIntegerPolynomialDerivative = TestsHelper.ReadFractionalCoeffsUnivarPol <BigInteger, BigIntegerDomain>(
                polynomialDerivativeText,
                bigIntegerDomain,
                bigIntegerParser,
                bigIntegerfractionConversion,
                variableName);
            var bigIntegerActualPolDerivative = bigIntegerPolynomial.GetPolynomialDerivative(bigIntegerFractionField);

            Assert.AreEqual(bigIntegerPolynomialDerivative, bigIntegerActualPolDerivative);
        }
Exemplo n.º 23
0
        public void PowerTest_BigIntegerFraction()
        {
            var domain     = new BigIntegerDomain();
            var multiplier = new FractionField <BigInteger>(domain);

            var intPowers    = new int[] { 2, 3, 4, 1, 20, 13 };
            var longPowers   = new long[] { 2, 3, 4, 1, 20, 13 };
            var bigIntPowers = new BigInteger[] { 2, 3, 4, 1, 20, 13 };

            var values = new[] {
                new Fraction <BigInteger>(13, 17, domain),
                new Fraction <BigInteger>(25, 23, domain),
                new Fraction <BigInteger>(11, 15, domain),
                new Fraction <BigInteger>(100, 99, domain),
                new Fraction <BigInteger>(1, 2, domain),
                new Fraction <BigInteger>(3, 5, domain)
            };

            var expected = new[] {
                new Fraction <BigInteger>(169, 289, domain),
                new Fraction <BigInteger>(15625, 12167, domain),
                new Fraction <BigInteger>(14641, 50625, domain),
                new Fraction <BigInteger>(100, 99, domain),
                new Fraction <BigInteger>(1, 1048576, domain),
                new Fraction <BigInteger>(1594323, 1220703125, domain)
            };

            // Potências inteiras.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], intPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências longas
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], longPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências com inteiros grandes.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], bigIntPowers[i], multiplier);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências genéricas.
            var integerNumber    = new IntegerDomain();
            var longNumber       = new LongDomain();
            var bigIntegerNumber = new BigIntegerDomain();

            // Potências inteiras.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], intPowers[i], multiplier, integerNumber);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências longas
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], longPowers[i], multiplier, longNumber);
                Assert.AreEqual(expected[i], actual);
            }

            // Potências com inteiros grandes.
            for (int i = 0; i < intPowers.Length; ++i)
            {
                var actual = MathFunctions.Power(values[i], bigIntPowers[i], multiplier, bigIntegerNumber);
                Assert.AreEqual(expected[i], actual);
            }
        }