public Basis Execute(Matrix matrix)
{
var basis = new Basis();
var row = matrix.GetRow(0);
for (int i = 0; i < row.rows; i++)
{
if (row[i] == 0)
{
var v = new Vector(row.rows);
v[i] = 1;
basis.Add(v);
}
else
{
bool sign = row[i] > 0;
for (int j = i + 1; j < row.rows; j++)
{
if (row[j] != 0 && row[j] > 0 ^ sign)
{
var lcm = MathExtensions.LCM(Math.Abs((int)row[i]), Math.Abs((int)row[j]));
var v = new Vector(row.rows);
v[i] = (lcm / Math.Abs((int)row[i]));
v[j] = (lcm / Math.Abs((int)row[j]));
basis.Add(v);
}
}
}
}
return ExcecuteRound(matrix, basis, 1);
}
private Basis Compose(Basis basis, Vector items)
{
var newBasis = new Basis();
for (int i = 0; i < items.rows; i++)
{
if (items[i] == 0)
newBasis.Add(basis[i]);
else
{
bool sign = items[i] > 0;
for (int j = i + 1; j < items.rows; j++)
{
if (items[j] != 0 && items[j] > 0 ^ sign)
{
var lcm = MathExtensions.LCM(Math.Abs((int)items[i]), Math.Abs((int)items[j]));
newBasis.Add((lcm / Math.Abs((int)items[i])) * basis[i] + (lcm / Math.Abs((int)items[j])) * basis[j]);
}
}
}
}
return newBasis;
}
