public void SolveSlauTest1()
{
// arrange
double[,] matrix = new double[3, 3] {
{ 4, 2, 2 },
{ 2, 4, 2 },
{ 2, 2, 4 }
};
double[] vector1 = new double[3] {
4, 4, 4
};
Matrix m1 = _matrixFactory.CreateMatrix(matrix);
Vector v1 = _vectorFactory.CreateVector(vector1);
// act
ISlauSolver solver = _slauSolverFactory.CreateSlauSolver();
Vector result = solver.SolveSlau(m1, v1);
// assert
double[] vector2 = new double[3] {
0.5, 0.5, 0.5
};
Vector expected = _vectorFactory.CreateVector(vector2);
Assert.IsTrue(expected.AreEqual(result));
}
/// <summary>
/// Create a Matrix object with all elements equal to a scalar value
/// </summary>
public IMatrix Dense(int rows, int columns, double value)
{
var matrix = matrixFactory.CreateMatrix(rows, columns);
for (int row = 0; row < rows; row++)
{
for (int column = 0; column < columns; column++)
{
matrix[row, column] = value;
}
}
return(matrix);
}
public Matrix Add(Matrix a)
{
if ((RowsCount != a.RowsCount) || (ColumnsCount != a.ColumnsCount))
{
throw new SizesDismatchException($"Error in addition two matrices: their sizes must match." +
$"Size of left matrix: [{RowsCount},{ColumnsCount}], " +
$"size of right matrix: [{a.RowsCount},{a.ColumnsCount}].");
}
Matrix result = _matrixFactory.CreateMatrix(RowsCount, ColumnsCount);
for (int i = 0; i < RowsCount; i++)
{
for (int j = 0; j < ColumnsCount; j++)
{
result[i, j] = this[i, j] + a[i, j];
}
}
return(result);
}
public void ConvertToVectorTest()
{
// arrange
double[,] matrix = new double[3, 3] {
{ 1, 2, 3 },
{ 4, 5, 6 },
{ 7, 8, 9 }
};
Matrix m1 = _matrixFactory.CreateMatrix(matrix);
// act
Vector result = m1.ConvertToVector();
// assert
double[] vector = new double[9] {
1, 2, 3, 4, 5, 6, 7, 8, 9
};
Vector expected = _vectorFactory.CreateVector(vector);
Assert.IsTrue(expected.AreEqual(result));
}
