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ng_util: make more use of small_color_map in DFS

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This commit is contained in:
Justin Viiret 2017-06-29 11:38:13 +10:00 committed by Matthew Barr
parent 8d178d52ef
commit 9c046db360
1 changed files with 4 additions and 3 deletions
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7
src/nfagraph/ng_util.cpp
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@ -214,8 +214,8 @@ bool isFloating(const NGHolder &g) {
bool isAcyclic(const NGHolder &g) {
try {
boost::depth_first_search(g, visitor(DetectCycles(g))
.root_vertex(g.start));
boost::depth_first_search(g, DetectCycles(g), make_small_color_map(g),
g.start);
} catch (const CycleFound &) {
return false;
}
@ -243,7 +243,8 @@ bool hasBigCycles(const NGHolder &g) {
assert(hasCorrectlyNumberedVertices(g));
set<NFAEdge> dead;
BackEdges<set<NFAEdge>> backEdgeVisitor(dead);
boost::depth_first_search(g, visitor(backEdgeVisitor).root_vertex(g.start));
boost::depth_first_search(g, backEdgeVisitor, make_small_color_map(g),
g.start);
for (const auto &e : dead) {
if (source(e, g) != target(e, g)) {