public override void addOpperator(Calc calc, IBinOp op)
{
calc.Total=Complex.Parse(calc.getDisplay());
calc.pending_op = op;
calc.setDisplay("");
calc.CurrentState = OpperatorEntredState.Singleton;
}
public override void Calculate(Calc calc)
{
Complex total = calc.pending_op.compute(calc.Total, Complex.Parse(calc.getDisplay()));
calc.setDisplay(total.ToString());
calc.Total = total;
calc.CurrentState = CompState.Singleton;
//calc.CurrentState=ErrorState.Singleton;
//throw new Exception("you cant do a calculation right after you add an opperator, need another opperand");
}
public override void Calculate(Calc calc)
{
if (calc.pending_op != null) {
Complex opperand = Complex.Parse(calc.getDisplay());
Complex total = calc.pending_op.compute(calc.Total, opperand);
//calc.Opperand1=total;
calc.Total = total;
calc.setDisplay(total.ToString());
calc.CurrentState = CompState.Singleton;
} else {
calc.CurrentState=ErrorState.Singleton;
// throw new Exception("cannot do calculation w/o pending opperator");
}
}
public override void enterDigit(Calc calc, char c)
{
Console.WriteLine("Accumulate State: enter character " + c);
calc.setDisplay(calc.getDisplay() + c);
calc.CurrentState = AccumState.Singleton;
}