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Fixed crash when removing vertex

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This commit is contained in:
Anna Rose 2011-06-27 23:05:14 -04:00
parent 2bddf92001
commit a40773d8b0
1 changed files with 6 additions and 6 deletions
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12
graph.cpp
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@ -114,7 +114,7 @@ bool Graph::add_vertex(int x, int y, int r, int colour, int score, Vertex* src)
vertices.push_back(v);
#ifdef DEBUG
fprintf(stderr, "debug: Graph::add_vertex(): added: x=%d, y=%d, r=%d, score=%d\n", v->x, v->y, v->r, v->score);
fprintf(stderr, "debug: Graph::add_vertex(): added: x=%d, y=%d, r=%d, score=%d, colour=%x\n", v->x, v->y, v->r, v->score, v->colour);
#endif
return true;
@ -143,11 +143,11 @@ void Graph::remove_vertex(Vertex* target)
for (cursor = target->neighbors.begin(); cursor != target->neighbors.end();
cursor++)
{
list<Vertex*>::iterator subcursor = find(target->neighbors.begin(),
target->neighbors.end(),
*cursor);
assert(subcursor != target->neighbors.end());
target->neighbors.erase(subcursor);
list<Vertex*>::iterator subcursor = find((*cursor)->neighbors.begin(),
(*cursor)->neighbors.end(),
target);
assert(subcursor != (*cursor)->neighbors.end());
(*cursor)->neighbors.erase(subcursor);
}
cursor = find(vertices.begin(), vertices.end(), target);