* @param cell
*/
private CellValue evaluateFormulaCellValue(Cell cell) {
ValueEval eval = _bookEvaluator.evaluate(new HSSFEvaluationCell((HSSFCell)cell));
if (eval instanceof BoolEval) {
BoolEval be = (BoolEval) eval;
return CellValue.valueOf(be.getBooleanValue());
}
if (eval instanceof NumericValueEval) {
NumericValueEval ne = (NumericValueEval) eval;
return new CellValue(ne.getNumberValue());
}