public void FindPivot()
{
var t = new Tableau(new [] { _y1, _y2, _y3, _z });
Variable head;
Variable row;
Assert.IsTrue(t.FindPivot(out head, out row));
}
public void NextTableau()
{
Variable head;
Variable row;
var t1 = new Tableau(new[] { _y1, _y2, _y3, _z });
t1.FindPivot(out head, out row);
var t2 = Solver.NextTableau(t1, head, row);
Assert.AreEqual(4000, t2.TargetEquation.Coefficient);
t2.FindPivot(out head, out row);
var t3 = Solver.NextTableau(t2, head, row);
Assert.AreEqual(4960, t3.TargetEquation.Coefficient);
t3.FindPivot(out head, out row);
var t4 = Solver.NextTableau(t3, head, row);
Assert.AreEqual(5400, t4.TargetEquation.Coefficient);
Assert.IsFalse(t4.FindPivot(out head, out row));
}