public void PerformOperation(OperationType operation)
{
//int operation;
IOperation operationType = null;
switch (operation)
{
case OperationType.Add:
{
operationType = new AddOperation();
break;
}
case OperationType.Minus:
{
operationType = new MinusOperation();
break;
}
case OperationType.Multiply:
{
operationType = new MultiplyOperation();
break;
}
case OperationType.Divide:
{
operationType = new DivideOperation();
break;
}
case OperationType.Negate:
{
operationType = new NegateOperation();
break;
}
}
if (operationType != null)
{
operationType.Perform(numbers);
}
}
public string PerformOperation(OperationType operationType)
{
IOperation operation = null;
switch (operationType)
{
case OperationType.ADD:
operation = new AddOperation();
break;
case OperationType.MINUS:
operation = new SubtractOperation();
break;
case OperationType.MULTIPLY:
operation = new MultiplyOperation();
break;
case OperationType.DIVIDE:
operation = new DivideOperation();
break;
case OperationType.NEGATE:
operation = new NegateOperation();
break;
case OperationType.SQROOT:
operation = new SquareRootOperation();
break;
case OperationType.EXPONENT:
operation = new ExponentOperation();
break;
case OperationType.NATURAL:
operation = new NaturalOperation();
break;
case OperationType.RECIPROCAL:
operation = new ReciprocalOperation();
break;
case OperationType.SIN:
operation = new SinOperation();
break;
case OperationType.COS:
operation = new CosOperation();
break;
}
if (operation != null)
{
try
{
operation.Perform(CalcStack);
}
catch (Exception e)
{
return(e.ToString());
}
}
return(string.Empty);
}
