Made Node public

release/4.3a0
Frank Dellaert 2009-11-07 15:58:45 +00:00
parent 7ef9ed950b
commit 6339b5d19d
1 changed files with 26 additions and 16 deletions

View File

@ -31,23 +31,24 @@ namespace gtsam {
typedef boost::shared_ptr<Conditional> conditional_ptr;
private:
/** A Node in the tree is an incomplete Bayes net: the variables
* in the Bayes net are the frontal nodes, and the variables conditioned
* on is the separator. We also have pointers up and down the tree.
*/
struct Node: public BayesNet<Conditional> {
typedef boost::shared_ptr<Node> shared_ptr;
shared_ptr parent_;
std::list<std::string> separator_; /** separator keys */
std::list<shared_ptr> children_;
//* Constructor */
Node(const boost::shared_ptr<Conditional>& conditional);
Node(const conditional_ptr& conditional);
/** The size *includes* the separator */
size_t size() const { return this->conditionals_.size() + separator_.size(); }
size_t size() const {
return this->conditionals_.size() + separator_.size();
}
/** print this node */
void print(const std::string& s = "Bayes tree node") const;
@ -56,8 +57,11 @@ namespace gtsam {
void printTree(const std::string& indent) const;
};
/** Map from keys to Node */
typedef boost::shared_ptr<Node> node_ptr;
private:
/** Map from keys to Node */
typedef std::map<std::string, node_ptr> Nodes;
Nodes nodes_;
@ -65,7 +69,8 @@ namespace gtsam {
node_ptr root_;
/** add a clique */
node_ptr addClique(const conditional_ptr& conditional, node_ptr parent_clique=node_ptr());
node_ptr addClique(const conditional_ptr& conditional,
node_ptr parent_clique = node_ptr());
public:
@ -76,7 +81,8 @@ namespace gtsam {
BayesTree(const BayesNet<Conditional>& bayesNet);
/** Destructor */
virtual ~BayesTree() {}
virtual ~BayesTree() {
}
/** print */
void print(const std::string& s = "") const;
@ -85,26 +91,30 @@ namespace gtsam {
bool equals(const BayesTree<Conditional>& other, double tol = 1e-9) const;
/** insert a new conditional */
void insert(const boost::shared_ptr<Conditional>& conditional);
void insert(const conditional_ptr& conditional);
/** number of cliques */
inline size_t size() const { return nodes_.size();}
inline size_t size() const {
return nodes_.size();
}
/** return root clique */
boost::shared_ptr<BayesNet<Conditional> > root() const {return root_;}
node_ptr root() const {
return root_;
}
/** find the clique to which key belongs */
node_ptr operator[](const std::string& key) const {
typename Nodes::const_iterator it = nodes_.find(key);
if (it == nodes_.end())
throw(std::invalid_argument("BayesTree::operator['"+ key + "'): key not found"));
if (it == nodes_.end()) throw(std::invalid_argument(
"BayesTree::operator['" + key + "'): key not found"));
node_ptr clique = it->second;
return clique;
}
/** return marginal on any variable */
template<class Factor>
boost::shared_ptr<Conditional> marginal(const std::string& key) const;
conditional_ptr marginal(const std::string& key) const;
}; // BayesTree