equal
deleted
inserted
replaced
699 ///Returns the 'previous node' of the %DFS tree. |
699 ///Returns the 'previous node' of the %DFS tree. |
700 |
700 |
701 ///For a node \c v it returns the 'previous node' |
701 ///For a node \c v it returns the 'previous node' |
702 ///of the %DFS tree, |
702 ///of the %DFS tree, |
703 ///i.e. it returns the last but one node from a %DFS path from the |
703 ///i.e. it returns the last but one node from a %DFS path from the |
704 ///root(a) to \c /v. |
704 ///root(s) to \c v. |
705 ///It is INVALID if \c v is unreachable from the root(s) or |
705 ///It is INVALID if \c v is unreachable from the root(s) or |
706 ///if \c v itself a root. |
706 ///if \c v itself a root. |
707 ///The %DFS tree used here is equal to the %DFS |
707 ///The %DFS tree used here is equal to the %DFS |
708 ///tree used in \ref predEdge(). |
708 ///tree used in \ref predEdge(). |
709 ///\pre Either \ref run() or \ref start() must be called before |
709 ///\pre Either \ref run() or \ref start() must be called before |