/**
* Gets the formula as a string
*/
public string getFormula()
{
StringBuilder sb = new StringBuilder();
root.getString(sb);
return(sb.ToString());
}
/**
* Gets the formula as a string. Uses the parse tree to do this, and
* does not simply return whatever string was passed in
*/
public string getFormula()
{
if (parsedFormula == null)
{
StringBuilder sb = new StringBuilder();
root.getString(sb);
parsedFormula = sb.ToString();
}
return(parsedFormula);
}