doc/graph_orientation.dox
changeset 2552 5f711e4668f5
parent 2391 14a343be7a5a
child 2553 bfced05fa852
equal deleted inserted replaced
7:2b2cf44f5ad3 8:3aa6ce0f0ce8
   132 A node is \e active if its deficiency is positive (i.e. if it doesn't meet
   132 A node is \e active if its deficiency is positive (i.e. if it doesn't meet
   133 the degree requirement).
   133 the degree requirement).
   134 \skip active
   134 \skip active
   135 \until def
   135 \until def
   136 
   136 
   137 We also store in a bool map indicating which edges are reverted.
   137 We also store a bool map indicating which edges are reverted.
   138 Actually this map called \c rev is only
   138 Actually this map called \c rev is only
   139 used to draw these edges with different color in the output picture. The
   139 used to draw these edges with different color in the output picture. The
   140 algorithm updates this map, but will not use it otherwise.
   140 algorithm updates this map, but will not use it otherwise.
   141 \skip rev
   141 \skip rev
   142 \until reversed
   142 \until reversed
   165 We also have to update the maps \c def and
   165 We also have to update the maps \c def and
   166 \c rev.
   166 \c rev.
   167 \skipline if
   167 \skipline if
   168 \skip if
   168 \skip if
   169 \until }
   169 \until }
   170 Otherwise (i.e. if there is no edge stepping down one level). We lift up the
   170 Otherwise (i.e. if there is no edge stepping down one level) we lift up the
   171 current active node \c act. If it reaches level \c nodeNum, then there
   171 current active node \c act. If it reaches level \c nodeNum, then there
   172 exists no appropriate orientation so we stop.
   172 exists no appropriate orientation so we stop.
   173 \skipline else
   173 \skipline else
   174 \skipline if
   174 \skipline if
   175 \skipline return
   175 \skipline return