public Linear2DConstraint(double a, double b, InequalityValue inequalityValue) : base(new Term[]
 {
     new LinearTerm((int)inequalityValue * -a),
     new LinearTerm((int)inequalityValue)
 }, (int)inequalityValue * b)
 {
 }
 public Linear2DConstraint(double a, double b, InequalityValue inequalityValue) : this(new [] { -a, (double)inequalityValue * 1.0 }, (double)inequalityValue * b)
 {
 }