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Refactor pivot rules

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This commit is contained in:
Anh-Dung Phan 2013-11-21 19:05:17 -08:00
parent 97dfb6d521
commit 3b2dd47cd4
5 changed files with 47 additions and 29 deletions
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8
src/smt/spanning_tree_def.h
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@ -420,14 +420,15 @@ namespace smt {
template<typename Ext>
void basic_spanning_tree<Ext>::initialize(svector<edge_id> const & tree) {
unsigned num_nodes = m_graph.get_num_nodes();
m_tree_graph = alloc(graph);
m_tree = tree;
unsigned num_nodes = m_graph.get_num_nodes();
for (unsigned i = 0; i < num_nodes; ++i) {
m_tree_graph->init_var(i);
}
vector<edge> const & es = m_graph.get_all_edges();
svector<edge_id>::const_iterator it = tree.begin(), end = tree.end();
svector<edge_id>::const_iterator it = m_tree.begin(), end = m_tree.end();
for(; it != end; ++it) {
edge const & e = es[*it];
m_tree_graph->add_edge(e.get_source(), e.get_target(), e.get_weight(), explanation());
@ -440,8 +441,7 @@ namespace smt {
template<typename Ext>
void basic_spanning_tree<Ext>::update(edge_id enter_id, edge_id leave_id) {
if (m_tree_graph)
dealloc(m_tree_graph);
if (m_tree_graph) dealloc(m_tree_graph);
m_tree_graph = alloc(graph);
unsigned num_nodes = m_graph.get_num_nodes();
for (unsigned i = 0; i < num_nodes; ++i) {