lwt_edgeEndStar_getNextCW()

const LWT_EDGEEND* lwt_edgeEndStar_getNextCW	(	LWT_EDGEEND_STAR *	star,
		LWT_ISO_EDGE *	edge,
		int	outgoing
	)

Definition at line 174 of file lwt_edgeend_star.c.

{
  lwt_edgeEndStar_ensureSorted( star );
 
  uint64_t i=0;
  LWT_EDGEEND *thisEdgeEnd = NULL;
  for ( i=0; i<star->numEdgeEnds; ++i )
  {
    LWT_EDGEEND *ee = star->edgeEnds[i];
    if ( ee->edge == edge && ee->outgoing == outgoing ) {
      thisEdgeEnd = ee;
      break;
    }
  }
  if ( ! thisEdgeEnd ) {
    lwerror("Could not find %s edge %" LWTFMT_ELEMID " in the star",
      outgoing ?  "outgoing" : "incoming", edge->edge_id);
    return NULL;
  }
  LWT_EDGEEND *nextEdgeEnd = i < star->numEdgeEnds-1 ? star->edgeEnds[i+1] : star->edgeEnds[0];
  return nextEdgeEnd;
}

References LWT_EDGEEND_t::edge, LWT_ISO_EDGE::edge_id, LWT_EDGEEND_STAR_t::edgeEnds, lwerror(), lwt_edgeEndStar_ensureSorted(), LWTFMT_ELEMID, LWT_EDGEEND_STAR_t::numEdgeEnds, and LWT_EDGEEND_t::outgoing.

Referenced by _lwt_SnapEdgeToExistingNode().

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