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ng_literal_analysis: reserve space for fwd_edges

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Justin Viiret 2017-06-02 11:26:59 +10:00 committed by Matthew Barr
parent e27e76a595
commit d0e4a703ed
1 changed files with 3 additions and 1 deletions
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4
src/nfagraph/ng_literal_analysis.cpp
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@ -488,12 +488,14 @@ const char *describeColor(boost::default_color_type c) {
*/
static
vector<LitEdge> add_reverse_edges_and_index(LitGraph &lg) {
const size_t edge_count = num_edges(lg);
vector<LitEdge> fwd_edges;
fwd_edges.reserve(edge_count);
for (const auto &e : edges_range(lg)) {
fwd_edges.push_back(e);
}
vector<LitEdge> rev_map(2 * num_edges(lg));
vector<LitEdge> rev_map(2 * edge_count);
for (const auto &e : fwd_edges) {
LitVertex u = source(e, lg);