Computes cleared offers and bids.

def run(self):
        """ Computes cleared offers and bids.
        """
        # Start the clock.
        t0 = time.time()

        # Manage reactive power offers/bids.
        haveQ = self._isReactiveMarket()

        # Withhold offers/bids outwith optional price limits.
        self._withholdOffbids()

        # Convert offers/bids to pwl functions and update limits.
        self._offbidToCase()

        # Compute dispatch points and LMPs using OPF.
        success = self._runOPF()

        if success:
            # Get nodal marginal prices from OPF.
            gteeOfferPrice, gteeBidPrice = self._nodalPrices(haveQ)
            # Determine quantity and price for each offer/bid.
            self._runAuction(gteeOfferPrice, gteeBidPrice, haveQ)

            logger.info("SmartMarket cleared in %.3fs" % (time.time() - t0))
        else:
            for offbid in self.offers + self.bids:
                offbid.clearedQuantity = 0.0
                offbid.clearedPrice = 0.0
                offbid.accepted = False

                offbid.generator.p = 0.0

            logger.error("Non-convergent market OPF. Blackout!")

        return self.offers, self.bids