public void DeterminantMatrixTest()
{
Matrix.Services.Models.Matrix A = new Matrix.Services.Models.Matrix(4, 4);
A.Content = new object[, ] {
{ 5, 3, 1, 0 }, { -1, 2, 5, -2 }, { 3, -1, -2, 0 }, { -5, 0, -3, 1 }
};
double result = Matrix.Services.Services.MatrixManager.DeterminantMatrix(A);
Assert.AreEqual(-95, result);
}
public static void PrintMatrix(Matrix.Services.Models.Matrix mat)
{
int xInit = Console.CursorTop;
for (int i = 0; i < mat.Rows; i++)
{
for (int j = 0; j < mat.Columns; j++)
{
Console.SetCursorPosition((j * 5), i + xInit + 2);
Console.Write(mat.Content[i, j].ToString().PadLeft(5));
}
}
}
public void ProductMatIntTest()
{
Matrix.Services.Models.Matrix A = new Matrix.Services.Models.Matrix(2, 3);
A.Content = new object[, ] {
{ 1, 2, 3 }, { 4, 5, 6 }
};
Matrix.Services.Models.Matrix B = 2 * A;
Matrix.Services.Models.Matrix result = new Matrix.Services.Models.Matrix(2, 3);
result.Content = new object[, ] {
{ 2, 4, 6 }, { 8, 10, 12 }
};
Assert.AreEqual(true, B.Equals(result));
}
public void CreateMatrixTest()
{
Matrix.Services.Models.Matrix A = Matrix.Services.Services.MatrixManager.CreateRandomMatrixInt(10, 10);
bool result = true;
for (int i = 0; i < A.Rows; i++)
{
for (int j = 0; j < A.Columns; j++)
{
if (int.Parse(A.Content[i, j].ToString()) < -100 && int.Parse(A.Content[i, j].ToString()) > 100)
{
result = false;
}
}
}
Assert.AreEqual(true, result);
}
public void ProductMatrixTest()
{
Matrix.Services.Models.Matrix A = new Matrix.Services.Models.Matrix(2, 2);
A.Content = new object[, ] {
{ 1, 3 }, { -1, 2 }
};
Matrix.Services.Models.Matrix B = new Matrix.Services.Models.Matrix(2, 3);
B.Content = new object[, ] {
{ 1, 3, 2 }, { 2, -3, 1 }
};
Matrix.Services.Models.Matrix matResult = A * B;
Matrix.Services.Models.Matrix matExpected = new Matrix.Services.Models.Matrix(2, 3);
matExpected.Content = new object[, ] {
{ 7, -6, 5 }, { 3, -9, 0 }
};
Assert.AreEqual(true, matExpected.Equals(matResult));
}
public void TransposeMatrixTest()
{
Matrix.Services.Models.Matrix A = Matrix.Services.Services.MatrixManager.CreateRandomMatrixInt(10, 10);
Matrix.Services.Models.Matrix B = Matrix.Services.Services.MatrixManager.TransposeMatrix(A);
bool result = true;
for (int i = 0; i < A.Rows; i++)
{
for (int j = 0; j < A.Columns; j++)
{
if (!A[i, j].Equals(B[j, i]))
{
result = false;
break;
}
}
}
Assert.AreEqual(true, result);
}
public void SumMatrixTest()
{
Matrix.Services.Models.Matrix A = Matrix.Services.Services.MatrixManager.CreateRandomMatrixInt(10, 10);
Matrix.Services.Models.Matrix B = Matrix.Services.Services.MatrixManager.CreateRandomMatrixInt(10, 10);
Matrix.Services.Models.Matrix matResult = A + B;
bool result = true;
for (int i = 0; i < matResult.Rows; i++)
{
for (int j = 0; j < matResult.Columns; j++)
{
if (Convert.ToInt16(matResult[i, j]) != Convert.ToInt16(A[i, j]) + Convert.ToInt16(B[i, j]))
{
result = false;
}
}
}
Assert.AreEqual(true, result);
}
public void SubtractionMatrixTest()
{
Matrix.Services.Models.Matrix A = new Matrix.Services.Models.Matrix(2, 3);
A.Content = new object[, ] {
{ 1, 2, 3 }, { 4, 5, 6 }
};
Matrix.Services.Models.Matrix B = new Matrix.Services.Models.Matrix(2, 3);
B.Content = new object[, ] {
{ 3, 2, 1 }, { 6, 5, 4 }
};
Matrix.Services.Models.Matrix matResult = A - B;
Matrix.Services.Models.Matrix matExpected = new Matrix.Services.Models.Matrix(2, 3);
matExpected.Content = new object[, ] {
{ -2, 0, 2 }, { -2, 0, 2 }
};
Assert.AreEqual(true, matResult.Equals(matExpected));
}
