/**
* Apply this operator to the supplied arguments
*
* @param first the first argument
* @param second the second argument
* @return the result
*/
protected double applyOperator(double first, double second) {
switch (m_operator) {
case '+':
return (first + second);
case '-':
return (first - second);
case '*':
return (first * second);
case '/':
return (first / second);
case '^':
return Math.pow(first, second);
}
return Double.NaN;
}
