// for <const SchedGraphNode, SchedGraphNode::const_iterator>.
//
template <class _NodeType, class _EdgeType, class _EdgeIter>
-class SGPredIterator: public std::bidirectional_iterator<_NodeType, ptrdiff_t> {
+class SGPredIterator: public bidirectional_iterator<_NodeType, ptrdiff_t> {
protected:
_EdgeIter oi;
public:
};
template <class _NodeType, class _EdgeType, class _EdgeIter>
-class SGSuccIterator: public std::bidirectional_iterator<_NodeType, ptrdiff_t> {
+class SGSuccIterator : public bidirectional_iterator<_NodeType, ptrdiff_t> {
protected:
_EdgeIter oi;
public: