public void Test_ToDiagonalMatrix_NonSquareOutput_InvalidNumCols_Helper()
{
double[] diagonal = new double[] { 1, 2, 3 };
int numRows = 3;
int numCols = 2;
ArrayMatrixUtils.ToDiagonalMatrix(diagonal, numRows, numCols);
}
public void Test_ToDiagonalMatrix()
{
double[] diagonal = new double[] { 1, 2, 3 };
double[,] expected = new double[, ] {
{ 1, 0, 0 },
{ 0, 2, 0 },
{ 0, 0, 3 },
};
double[,] actual = ArrayMatrixUtils.ToDiagonalMatrix(diagonal);
Assert.That(actual, Is.EqualTo(expected).Within(precision));
}
public void Test_ToDiagonalMatrix_NonSquareOutput()
{
double[] diagonal = new double[] { 1, 2, 3 };
int numRows = 4;
int numCols = 3;
double[,] expected = new double[, ] {
{ 1, 0, 0 },
{ 0, 2, 0 },
{ 0, 0, 3 },
{ 0, 0, 0 },
};
double[,] actual = ArrayMatrixUtils.ToDiagonalMatrix(diagonal, numRows, numCols);
Assert.That(actual, Is.EqualTo(expected).Within(precision));
}
