public void Identity_Dimension0_Exception()
{
int dimension = 0;
Action act = () => Matrice2D.Identite(dimension);
act.Should().Throw <ArgumentOutOfRangeException>();
}
public static Matrice2D Translation(float p_x, float p_y, float p_z)
{
Matrice2D transformation = new Matrice2D(new float [, ] {
{ 1.0f, 0.0f, 0.0f, p_x },
{ 0.0f, 1.0f, 0.0f, p_y },
{ 0.0f, 0.0f, 1.0f, p_z },
{ 0.0f, 0.0f, 0.0f, 1.0f },
});
return(transformation);
}
public static Matrice2D MiseALEchelle(float p_sx, float p_sy, float p_sz)
{
Matrice2D transformation = new Matrice2D(new float[, ] {
{ p_sx, 0.0f, 0.0f, 0.0f },
{ 0.0f, p_sy, 0.0f, 0.0f },
{ 0.0f, 0.0f, p_sz, 0.0f },
{ 0.0f, 0.0f, 0.0f, 1.0f },
});
return(transformation);
}
public void Identity_Dimension1_MatriceIdentite1Ligne1Colonne()
{
Matrice2D attendue = new Matrice2D(new float[, ]
{
{ 1 },
});
int dimension = 1;
Matrice2D identite = Matrice2D.Identite(dimension);
identite.Should().Be(attendue);
}
public void Identity_Dimension2_MatriceIdentite2Lignes2Colonnes()
{
Matrice2D attendue = new Matrice2D(new float[, ]
{
{ 1, 0 },
{ 0, 1 },
});
int dimension = 2;
Matrice2D identite = Matrice2D.Identite(dimension);
identite.Should().Be(attendue);
}
public static Matrice2D RotationZ(float p_theta)
{
float costheta = (float)Math.Cos(p_theta);
float sintheta = (float)Math.Sin(p_theta);
Matrice2D transformation = new Matrice2D(new float[, ] {
{ costheta, -sintheta, 0.0f, 0.0f },
{ sintheta, costheta, 0.0f, 0.0f },
{ 0.0f, 0.0f, 1.0f, 0.0f },
{ 0.0f, 0.0f, 0.0f, 1.0f },
});
return(transformation);
}
public void OperateurMultiplication_Cas23x32_Matrice22()
{
Matrice2D operande1 = new Matrice2D(new float[, ]
{
{ 1, 2, 0 },
{ 4, 3, -1 },
});
Matrice2D operande2 = new Matrice2D(new float[, ]
{
{ 5, 1 },
{ 2, 3 },
{ 3, 4 },
});
Matrice2D resultatAttendu = new Matrice2D(new float[, ]
{
{ 9, 7 },
{ 23, 9 },
});
Matrice2D resultatCalcule = operande1 * operande2;
resultatCalcule.Should().Be(resultatAttendu);
}
public void OperateurMultiplication_Cas32x23_Matrice33()
{
Matrice2D operande1 = new Matrice2D(new float[, ]
{
{ 5, 1 },
{ 2, 3 },
{ 3, 4 },
});
Matrice2D operande2 = new Matrice2D(new float[, ]
{
{ 1, 2, 0 },
{ 4, 3, -1 },
});
Matrice2D resultatAttendu = new Matrice2D(new float[, ]
{
{ 9, 13, -1 },
{ 14, 13, -3 },
{ 19, 18, -4 },
});
Matrice2D resultatCalcule = operande1 * operande2;
resultatCalcule.Should().Be(resultatAttendu);
}
public static void DemoMatrices()
{
Console.Out.WriteLine(Matrices.Matrice2D.Identite(5) * (float)Math.PI * 100);
Matrice2D operande1 = new Matrice2D(new float[, ]
{
{ 5, 1 },
{ 2, 3 },
{ 3, 4 },
});
Matrice2D operande2 = new Matrice2D(new float[, ]
{
{ 1, 2, 0 },
{ 4, 3, -1 },
});
Matrice2D resultatAttendu = new Matrice2D(new float[, ]
{
{ 9, 13, -1 },
{ 14, 13, -3 },
{ 19, 18, -4 },
});
Console.Out.WriteLine(operande1);
Console.Out.WriteLine('*');
Console.Out.WriteLine(operande2);
Console.Out.WriteLine('=');
Console.Out.WriteLine(operande1 * operande2);
Console.Out.WriteLine();
Console.Out.WriteLine();
Console.Out.WriteLine(operande2);
Console.Out.WriteLine('*');
Console.Out.WriteLine(operande1);
Console.Out.WriteLine('=');
Console.Out.WriteLine(operande2 * operande1);
}
