private Object executeExponent(PageContext pc,SQL sql,Query qr,ZExpression expression,int row) throws PageException {
  return Integer.valueOf(Caster.toIntValue(executeExp(pc,sql,qr,expression.getOperand(0),row)) ^ Caster.toIntValue(executeExp(pc,sql,qr,expression.getOperand(1),row)));
}

private Object executeExponent ( PageContext pc , SQL sql , Query qr , ZExpression expression , int row ) throws PageException { return Integer . valueOf ( Caster . toIntValue ( executeExp ( pc , sql , qr , expression . getOperand ( 0 ) , row ) ) ^ Caster . toIntValue ( executeExp ( pc , sql , qr , expression . getOperand ( 1 ) , row ) ) ) ; }
execute a multiply operation
