Lines Matching defs:pss

5772 static void setupSequence( SequenceSpec *pss ){
5774   pss->uSeqIndexMax = 0;
5775   pss->isNotEOF = 0;
5776   bSameSigns = (pss->iBase < 0)==(pss->iTerm < 0);
5777   if( pss->iTerm < pss->iBase ){
5780       nuspan = (sqlite3_uint64)(pss->iBase - pss->iTerm);
5785       nuspan += pss->iBase;
5786       nuspan += -(pss->iTerm+1);
5788     if( pss->iStep<0 ){
5789       pss->isNotEOF = 1;
5791         pss->uSeqIndexMax = ( pss->iStep>LLONG_MIN )? nuspan/-pss->iStep : 1;
5792       }else if( pss->iStep>LLONG_MIN ){
5793         pss->uSeqIndexMax = nuspan/-pss->iStep;
5796   }else if( pss->iTerm > pss->iBase ){
5799       puspan = (sqlite3_uint64)(pss->iTerm - pss->iBase);
5804       puspan += pss->iTerm;
5805       puspan += -(pss->iBase+1);
5807     if( pss->iStep>0 ){
5808       pss->isNotEOF = 1;
5809       pss->uSeqIndexMax = puspan/pss->iStep;
5811   }else if( pss->iTerm == pss->iBase ){
5812       pss->isNotEOF = 1;
5813       pss->uSeqIndexMax = 0;
5815   pss->uSeqIndexNow = (pss->isReversing)? pss->uSeqIndexMax : 0;
5816   pss->iValueNow = (pss->isReversing)
5817     ? genSeqMember(pss->iBase, pss->iStep, pss->uSeqIndexMax)
5818     : pss->iBase;
5826 static int progressSequence( SequenceSpec *pss ){
5827   if( !pss->isNotEOF ) return 0;
5828   if( pss->isReversing ){
5829     if( pss->uSeqIndexNow > 0 ){
5830       pss->uSeqIndexNow--;
5831       pss->iValueNow -= pss->iStep;
5833       pss->isNotEOF = 0;
5836     if( pss->uSeqIndexNow < pss->uSeqIndexMax ){
5837       pss->uSeqIndexNow++;
5838       pss->iValueNow += pss->iStep;
5840       pss->isNotEOF = 0;
5843   return pss->isNotEOF;