public NumberNode Operate(List <NumberNode> constants)
{
if (constants.Count > 0)
{
NumberNode result = constants[0];
for (int i = 1; i < constants.Count; i++)
{
result = Operate(result, constants[i]);
}
return(result);
}
throw new Exception("Can not operate on an empty list");
}
private NumberNode Operate(NumberNode lhs, NumberNode rhs)
{
switch (Operator)
{
case Operator.Addition:
return(new NumberNode(lhs.Value + rhs.Value));
case Operator.Subtraction:
return(new NumberNode(lhs.Value - rhs.Value));
case Operator.Multiplication:
return(new NumberNode(lhs.Value * rhs.Value));
case Operator.Division:
return(new NumberNode(lhs.Value / rhs.Value));
case Operator.Exponentiation:
return(new NumberNode(Math.Pow(lhs.Value, rhs.Value)));
default:
throw new Exception("Can not operate on unrecognized operator");
}
}
