public boolean validate() throws SPLException
{
logger.entering(sourceClass,Thread.currentThread().getName()+" "+ "validate");
TypeInfo lType = _lhsExp.getType();
TypeInfo rType = _rhsExp.getType();
// dataType = TypeConstants.numericType;
if (TypeResolver.isNumeric(lType) && TypeResolver.isNumeric(rType) &&
!lType.getIsArray() && !rType.getIsArray())
{
//dataType = TypeResolver
// .binaryNumericPromotionResolver(lType, rType);
_dataType.setType(TypeConstants.doubleType);
logger.exiting(sourceClass,Thread.currentThread().getName()+" "+ "validate");