public void ComputeCostsCoefficientsTest()
{
var field = new DoubleField();
var revisedSimplexAlg = new RevisedSimplexAlgorithm <double>(
Comparer <double> .Default,
field);
var target = new PrivateObject(revisedSimplexAlg);
var etaVector = new double[4];
// Fábricas úteis para o teste dos quatro cenários.
var arrayMatrixFactory = new ArrayMathMatrixFactory <double>();
var squareArrayMatrixFactory = new ArraySquareMatrixFactory <double>();
var sparseMatrixFactory = new SparseDictionaryMathMatrixFactory <double>();
var squareSparseMatrixFactory = new SparseDictionarySquareMatrixFactory <double>();
this.TestComputeCostsCoefficients(target, squareArrayMatrixFactory, 0, arrayMatrixFactory, 0, etaVector);
this.TestComputeCostsCoefficients(target, squareArrayMatrixFactory, 0, sparseMatrixFactory, 0, etaVector);
this.TestComputeCostsCoefficients(target, squareSparseMatrixFactory, 0, arrayMatrixFactory, 0, etaVector);
this.TestComputeCostsCoefficients(target, squareSparseMatrixFactory, 0, sparseMatrixFactory, 0, etaVector);
}
public void Run_TriangDiagSymmDecompNoInverse()
{
// Definição dos domínios e fábricas.
var integerDomain = new IntegerDomain();
var fractionField = new FractionField <int>(integerDomain);
// Definição dos algoritmos.
var target = new TriangDiagSymmDecompInverseAlg <Fraction <int> >();
var triangDecomp = new ParallelTriangDiagSymmMatrixDecomp <Fraction <int> >(fractionField);
var arraySquareMatrixFactory = new ArraySquareMatrixFactory <Fraction <int> >();
var arrayMatrixFactory = new ArrayMathMatrixFactory <Fraction <int> >();
// A matriz
var matrix = this.GetSingularMatrix(integerDomain);
// Cálculos
var triangDiagDecomp = triangDecomp.Run(
matrix);
var inverseMatrix = target.Run(
triangDiagDecomp,
arraySquareMatrixFactory,
fractionField);
// Verificação dos valores.
var expected = ArrayMathMatrix <Fraction <int> > .GetIdentity(3, fractionField);
var matrixMultiplication = new MatrixMultiplicationOperation <Fraction <int> >(
arrayMatrixFactory,
fractionField,
fractionField);
var actual = matrixMultiplication.Multiply(inverseMatrix, matrix);
for (int i = 0; i < 3; ++i)
{
for (int j = 0; j < 3; ++j)
{
Assert.AreEqual(expected[i, j], actual[i, j]);
}
}
}
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));
}
