gtsam/cpp/BayesNet-inl.h

92 lines
3.0 KiB
C++

/**
* @file BayesNet-inl.h
* @brief Bayes net template definitions
* @author Frank Dellaert
*/
#include <iostream>
#include <fstream>
#include <boost/foreach.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/assign/std/vector.hpp> // for +=
using namespace boost::assign;
#include "Ordering.h"
#include "BayesNet.h"
//#include "FactorGraph-inl.h"
//#include "Conditional.h"
using namespace std;
namespace gtsam {
/* ************************************************************************* */
template<class Conditional>
void BayesNet<Conditional>::print(const string& s) const {
cout << s << ":\n";
Symbol key;
BOOST_REVERSE_FOREACH(sharedConditional conditional,conditionals_)
conditional->print("Node[" + (string)(conditional->key()) + "]");
}
/* ************************************************************************* */
template<class Conditional>
bool BayesNet<Conditional>::equals(const BayesNet& cbn, double tol) const {
if(size() != cbn.size()) return false;
return equal(conditionals_.begin(),conditionals_.end(),cbn.conditionals_.begin(),equals_star<Conditional>(tol));
}
/* ************************************************************************* */
template<class Conditional>
void BayesNet<Conditional>::push_back(const BayesNet<Conditional> bn) {
BOOST_FOREACH(sharedConditional conditional,bn.conditionals_)
push_back(conditional);
}
/* ************************************************************************* */
template<class Conditional>
void BayesNet<Conditional>::push_front(const BayesNet<Conditional> bn) {
BOOST_FOREACH(sharedConditional conditional,bn.conditionals_)
push_front(conditional);
}
/* ************************************************************************* */
template<class Conditional>
Ordering BayesNet<Conditional>::ordering() const {
Ordering ord;
BOOST_FOREACH(sharedConditional conditional,conditionals_)
ord.push_back(conditional->key());
return ord;
}
/* ************************************************************************* */
template<class Conditional>
void BayesNet<Conditional>::saveGraph(const std::string &s) const {
ofstream of(s.c_str());
of<< "digraph G{\n";
BOOST_FOREACH(sharedConditional conditional,conditionals_) {
Symbol child = conditional->key();
BOOST_FOREACH(const Symbol& parent,conditional->parents()) {
of << (string)parent << "->" << (string)child << endl;
}
}
of<<"}";
of.close();
}
/* ************************************************************************* */
template<class Conditional>
typename BayesNet<Conditional>::sharedConditional
BayesNet<Conditional>::operator[](const Symbol& key) const {
const_iterator it = find_if(conditionals_.begin(),conditionals_.end(),onKey<Conditional>(key));
if (it == conditionals_.end()) throw(invalid_argument(
"BayesNet::operator['"+(std::string)key+"']: not found"));
return *it;
}
/* ************************************************************************* */
} // namespace gtsam