public void TransposeTestTransposesMatrix()
{
SparseMatrix expected = new SparseMatrix(5, 3);
expected[0, 0] = 3.0f;
expected[2, 0] = 4.4f;
expected[3, 1] = 2.1f;
expected[4, 1] = 1.1f;
expected[0, 2] = 0.5f;
expected[2, 2] = 3.5f;
TestMatrix = TestMatrix.Transpose();
Assert.IsTrue(expected.ApproximatelyEqual(TestMatrix));
}
public void ScalarMultiplicationTestWhenScalarZero()
{
SparseMatrix expected = new SparseMatrix(3, 5);
TestMatrix = TestMatrix.ScalarMultiplication(0.0f);
Assert.IsTrue(expected.ApproximatelyEqual(TestMatrix));
}
public void ProductTestGreaterThanZero()
{
SparseMatrix expected = new SparseMatrix(3, 3);
expected[0, 0] = 13.2000008f;
expected[0, 2] = 2.69999981f;
expected[1, 1] = 1.64f;
expected[2, 0] = 10.5f;
expected[2, 2] = 0.45f;
SparseMatrix factor = new SparseMatrix(3, 5);
factor[0, 1] = 2.0f;
factor[0, 2] = 3.0f;
factor[1, 3] = 0.1f;
factor[1, 4] = 1.3f;
factor[2, 0] = 0.9f;
factor[2, 1] = 1.5f;
factor = factor.Transpose();
SparseMatrix result = TestMatrix.Product(factor);
Assert.IsTrue(expected.ApproximatelyEqual(result));
}
public void ScalarMultiplicationTestWhenScalarLessThanZero()
{
SparseMatrix expected = new SparseMatrix(3, 5);
expected[0, 0] = -9.0f;
expected[0, 2] = -13.2000008f;
expected[1, 3] = -6.29999971f;
expected[1, 4] = -3.30000019f;
expected[2, 0] = -1.5f;
expected[2, 2] = -10.5f;
TestMatrix = TestMatrix.ScalarMultiplication(-3.0f);
Assert.IsTrue(expected.ApproximatelyEqual(TestMatrix));
}
public void NormalizeRowsTestCorrectly()
{
SparseMatrix expected = new SparseMatrix(3, 5);
expected[0, 0] = 0.5633368f;
expected[0, 2] = 0.826227367f;
expected[1, 3] = 0.885831535f;
expected[1, 4] = 0.46400702f;
expected[2, 0] = 0.141421363f;
expected[2, 2] = 0.989949465f;
SparseMatrix result = TestMatrix.NormalizeRows();
Assert.IsTrue(expected.ApproximatelyEqual(result));
}