/// <summary>
/// Inverts this matrix.
/// </summary>
/// <exception cref="Vertesaur.NoInverseException">An inverse requires a valid non-zero finite determinant.</exception>
public void Invert()
{
var result = new Matrix4();
Contract.Assume(result.IsIdentity);
if (SquareMatrixOperations.GaussJordanEliminationDestructive(Clone(), result))
{
CopyFrom(result);
}
else
{
throw new NoInverseException();
}
}
/// <summary>
/// Generates a matrix which is the inverse.
/// </summary>
/// <returns>The inverse of the matrix.</returns>
/// <exception cref="Vertesaur.NoInverseException">An inverse requires a valid non-zero finite determinant.</exception>
public Matrix4 GetInverse()
{
Contract.Ensures(Contract.Result <Matrix4>() != null);
var result = new Matrix4();
Contract.Assume(result.IsIdentity);
if (SquareMatrixOperations.GaussJordanEliminationDestructive(Clone(), result))
{
return(result);
}
else
{
throw new NoInverseException();
}
}
/// <summary>
/// Calculates the determinant of the matrix.
/// </summary>
/// <returns>The determinant.</returns>
public double CalculateDeterminant()
{
return(SquareMatrixOperations.CalculateDeterminantDestructive(Clone()));
}