static void Compute(Calc calc)
{
calc.compute ();
if (calc.CurrentState is CompState) {
Console.WriteLine ("({0}) {1} ({2}) = {3}", calc.Opperand1.ToString (), calc.pending_op.ToString (), calc.Opperand2.ToString (), calc.Total.ToString ());
}
}
static void Compute(Calc calc)
{
calc.compute ();
if (calc.CurrentState is CompState) {
Console.WriteLine ("({0}) {1} ({2}) = ({3})", calc.Opperand1, calc.pending_op, calc.Opperand2, calc.Total);
Console.WriteLine("operand1: {0}", calc.Total);
}
}
public override void Calculate(Calc calc)
{
//calc.CurrentState=ErrorState.Singleton;
//throw new Exception("called calculate in compute state????");
//just redo the calc just finished
calc.Total=calc.pending_op.compute(calc.Opperand1, calc.Opperand2);
calc.CurrentState=CompState.Singleton;
}
public override void Calculate(Calc calc)
{
Complex total = calc.pending_op.compute(calc.Opperand1, calc.Opperand2);
calc.Opperand1=total;
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");
}
static void ConsoleReadOperator(Calc calc)
{
while (!(calc.CurrentState is OpperatorEntredState)) {
Console.Write ("Enter operator (+ - * /): ");
String opperator = Console.ReadLine ();
HandleMenuInterupt (opperator);
calc.enterOp (opperator);
}
}
static void ConsoleReadOperand(Calc calc)
{
while (!(calc.CurrentState is OpperandEnteredState)) {
Console.Write ("Enter Operand: ");
String input = Console.ReadLine ();
HandleMenuInterupt (input);
calc.enterOperand (input);
if (calc.CurrentState is ErrorState) {
Console.WriteLine ("There was an input error");
}
}
}
public override void Calculate(Calc calc)
{
if (calc.pending_op != null) {
Complex total = calc.pending_op.compute(calc.Opperand1, calc.Opperand2);
//calc.Opperand1=total;
calc.Total = total;
calc.CurrentState = CompState.Singleton;
} else {
calc.CurrentState=ErrorState.Singleton;
// throw new Exception("cannot do calculation w/o pending opperator");
}
}
public override void addOpperand(Calc calc, Complex c)
{
calc.Opperand1=calc.Total;
calc.Opperand2=c;
// Complex result = calc.pending_op.compute(calc.Total, calc.Opperand2);
// calc.Total=result;
// calc.Opperand1=result;
//why did I do this???
//calc.pending_op=null;
calc.CurrentState=OpperandEnteredState.Singleton;
//calc.CurrentState=CompState.Singleton;
}
public static void runCalculator()
{
calc = new Calc ();
PrintMenu ();
bootstrap (calc);
while (true) {
try {
ConsoleReadOperator (calc);
ConsoleReadOperand (calc);
Compute (calc);
} catch (ClearException) {
calc.Clear ();
bootstrap (calc);
}
}//end while
}
static void ConsoleReadOperand(Calc calc)
{
Complex new_opp=null;
//get rid of duplicate code!!!!
switch (Complex.mode) {
case ComplexNumbers.MODE.Polar:
while (!(calc.CurrentState is OpperandEnteredState)) {
Console.WriteLine ("Enter operand: ");
Console.Write("\tmagnitude: ");
String magnitude = Console.ReadLine ().Trim();
Console.Write("\tangle: ");
String angle=Console.ReadLine().Trim();
String opp_str=String.Format("{0} {1}", magnitude, angle);
new_opp=calc.enterPolarOperand (opp_str);
if (calc.CurrentState is ErrorState) {
Console.WriteLine ("There was an input error");
}
}
break;
case ComplexNumbers.MODE.Rectangular:
while (!(calc.CurrentState is OpperandEnteredState)) {
Console.WriteLine ("Enter operand: ");
Console.Write("\treal part: ");
String real = Console.ReadLine ().Trim();
Console.Write("\timaginary part: ");
String imag=Console.ReadLine().Trim();
String opp_str=String.Format("{0} {1}", real, imag);
new_opp=calc.enterRectOperand (opp_str);
if (calc.CurrentState is ErrorState) {
Console.WriteLine ("There was an input error");
}
}
break;
}
// if(new_opp!=null)
// Console.WriteLine("operand: {0}", new_opp);
}
public abstract void Calculate(Calc calc);
public abstract void addOpperand(Calc calc, Complex c);
public abstract void addOpperator(Calc calc, IBinOp op);
public override void addOpperator(Calc calc, IBinOp op)
{
calc.CurrentState=ErrorState.Singleton;
throw new Exception("cant add opperator in opperator entered state");
}
public override void addOpperand(Calc calc, System.Numerics.Complex c)
{
calc.Opperand1=calc.Total;
calc.Opperand2=c;
calc.CurrentState=OpperandEnteredState.Singleton;
}
public override void addOpperator(Calc calc, IBinOp op)
{
calc.CurrentState = ErrorState.Singleton;
throw new Exception ("cannot add opperator when an opperand has not been entered yet!");
}
public override void addOpperand(Calc calc, Complex c)
{
calc.Total=new Complex(0,0);
calc.Opperand2 = c;
calc.CurrentState = OpperandEnteredState.Singleton;
}
public override void addOpperand(Calc calc, Complex c)
{
calc.CurrentState=ErrorState.Singleton;
throw new Exception("Cannot add opperand in opperand entered state");
}
public override void addOpperator(Calc calc, IBinOp op)
{
calc.pending_op=op;
calc.CurrentState=OpperatorEntredState.Singleton;
}
public override void addOpperand(Calc calc, Complex c)
{
calc.Opperand1=c;
calc.CurrentState=OpperandEnteredState.Singleton;
}
public override void Calculate(Calc calc)
{
throw new NotImplementedException ();
}
public void TestCase()
{
Calc c=new Calc();
Assert.True(c.CurrentState is StartState);
c.enterOperand("3 4");
Assert.True(c.CurrentState is OpperandEnteredState);
Assert.AreEqual(c.Total, new Complex(0,0));
Assert.AreEqual(new Complex(3,4), c.Opperand2);
//should fail b/c there's no operator to use!
c.compute();
Assert.IsTrue(c.CurrentState is ErrorState);
//add operator
c.enterOp("+");
c.compute();
Complex answer=new Complex(3,4);
Assert.IsTrue(c.CurrentState is CompState);
Assert.AreEqual(answer, c.Total);
Assert.AreEqual(answer, c.Opperand1);
//now let's subtract and check if we get 0+0i
c.enterOperand("3 4");
c.enterOp("-");
c.compute();
answer=new Complex(0,0);
Assert.IsTrue(c.CurrentState is CompState);
Assert.AreEqual(answer, c.Total);
Assert.AreEqual(answer, c.Opperand1);
//now lets add 5-6i
Complex old_lhs=c.Opperand1;
c.enterOp("+");
Assert.IsTrue(c.CurrentState is OpperatorEntredState);
c.enterOperand("5 -6");
Assert.AreEqual(new Complex(5,-6), c.Opperand2);
c.compute();
answer=new Complex(5,-6);
Assert.IsTrue(c.CurrentState is CompState);
Assert.AreEqual(answer.ToString(), c.Total.ToString());
Assert.AreEqual(old_lhs.ToString(), c.Opperand1.ToString());
//test multplication (5-6i) * (2+3i) = (28+3i)
c.enterOp("*");
Assert.AreEqual(c.Total.ToString(), c.Opperand1.ToString());
c.enterOperand("2 3");
c.compute();
answer=new Complex(28,3);
Assert.IsTrue(c.CurrentState is CompState);
Assert.AreEqual(answer.ToString(), c.Total.ToString());
//test division (28+3i) / (3-2i)=(6+5i)
c.enterOp("/");
c.enterOperand("3 -2");
c.compute();
answer=new Complex(6,5);
Assert.IsTrue(c.CurrentState is CompState);
Assert.AreEqual(answer.ToString(), c.Total.ToString());
//test error handling
Complex opp1=c.Opperand1;
Complex opp2=c.Opperand2;
c.enterOperand("3");
Assert.IsTrue(c.CurrentState is ErrorState);
//ensure no opperands are changed
Assert.AreEqual(opp1, c.Opperand1);
Assert.AreEqual(opp2, c.Opperand2);
Assert.AreEqual(answer.ToString(), c.Total.ToString()); //ensure previous sum remains
//enter bad input again!
c.enterOperand("3 3 3 3 3");
Assert.IsTrue(c.CurrentState is ErrorState);
//ensure no opperands are changed
Assert.AreEqual(opp1, c.Opperand1);
Assert.AreEqual(opp2, c.Opperand2);
Assert.AreEqual(answer.ToString(), c.Total.ToString()); //ensure previous sum remains
//test bad operatOR inputs
IBinOp old_op=c.pending_op;
c.enterOp("a");
Assert.IsTrue(c.CurrentState is ErrorState);
//ensure no opperands are changed
Assert.AreEqual(opp1, c.Opperand1);
Assert.AreEqual(opp2, c.Opperand2);
Assert.AreEqual(old_op, c.pending_op);
Assert.AreEqual(answer.ToString(), c.Total.ToString()); //ensure previous sum remains
//check that op1 and op2 and opp are same from before errors started
Assert.AreEqual(opp1, c.Opperand1);
Assert.AreEqual(opp2, c.Opperand2);
Assert.AreEqual(old_op, c.pending_op);
c.enterOp("+");
c.enterOperand("6 6");
c.compute();
answer=new Complex(12,11);
Assert.IsTrue(c.CurrentState is CompState);
Assert.AreEqual(answer.ToString(), c.Total.ToString());
//reset calc
c.Clear();
Assert.IsTrue(c.CurrentState is StartState);
Assert.AreEqual(new Complex(0,0), c.Opperand1);
Assert.AreEqual(new Complex(0,0), c.Opperand2);
//initialize for console calc
c.enterOperand("3 4");
c.enterOp("+");
c.compute();
//now it's ready for the while loop
c.enterOperand("1 2");
c.compute();
Assert.IsTrue(c.CurrentState is CompState);
Assert.AreEqual(new Complex(4,6), c.Total);
}
public override void Calculate(Calc calc)
{
calc.CurrentState = (ErrorState.Singleton);
throw new Exception ("cannot do calculation when no expressions have been entered --- in the start state");
}
static void bootstrap(Calc calc)
{
ConsoleReadOperand (calc); //initial
calc.enterOp ("+");
calc.compute ();
}
static void ConsoleReadOperator(Calc calc)
{
while (!(calc.CurrentState is OpperatorEntredState)) {
Console.Write ("Operation: ");
String opperator = Console.ReadLine ();
if (HandleMenuInterupt (opperator, calc)) {
continue; //restart while loop
}
calc.enterOp (opperator);
if (calc.CurrentState is ErrorState) {
Console.WriteLine ("ERROR! Enter an operation.");
Console.WriteLine ("Options are: c, +, -, *, /, p, r, m, q, M, A, R, I");
}
}
}
static Boolean HandleMenuInterupt(string input, Calc calc)
{
switch (input) {
case "q":
//throw new QuitException ();
Environment.Exit (1);
break;
case "m":
//throw new ShowMenuException ();
PrintMenu ();
break;
case "c":
throw new ClearException ();
case "p":
Complex.mode = ComplexNumbers.MODE.Polar;
Console.WriteLine ("Calc set to polar mode");
Console.WriteLine("{0}", calc.Total);
break;
case "r":
Complex.mode = ComplexNumbers.MODE.Rectangular;
Console.WriteLine ("Calc set to rectagular mode");
Console.WriteLine("{0}", calc.Total);
break;
case "M":
ShowEditMagnitude ();
Console.WriteLine("{0}", calc.Total);
break;
case "A":
ShowEditAngle ();
Console.WriteLine("{0}", calc.Total);
break;
case "R":
ShowEditReal ();
Console.WriteLine("{0}", calc.Total);
break;
case "I":
ShowEditImag ();
Console.WriteLine("{0}", calc.Total);
break;
default:
return false;
}
return true;
}
