gtsam/inference/SymbolicFactorGraph.cpp

72 lines
2.3 KiB
C++

/*
* SymbolicFactorGraph.cpp
*
* Created on: Oct 29, 2009
* Author: Frank Dellaert
*/
#include <iostream>
#include <fstream>
#include <boost/format.hpp>
#include <boost/foreach.hpp>
#include <gtsam/inference/SymbolicFactorGraph.h>
#include <gtsam/inference/BayesNet-inl.h>
#include <gtsam/inference/Factor-inl.h>
#include <gtsam/inference/inference-inl.h>
using namespace std;
namespace gtsam {
// Explicitly instantiate so we don't have to include everywhere
template class FactorGraph<Factor>;
template class BayesNet<Conditional>;
/* ************************************************************************* */
SymbolicFactorGraph::SymbolicFactorGraph(const BayesNet<Conditional>& bayesNet) :
FactorGraph<Factor>(bayesNet) {}
/* ************************************************************************* */
void SymbolicFactorGraph::push_factor(Index key) {
boost::shared_ptr<Factor> factor(new Factor(key));
push_back(factor);
}
/** Push back binary factor */
void SymbolicFactorGraph::push_factor(Index key1, Index key2) {
boost::shared_ptr<Factor> factor(new Factor(key1,key2));
push_back(factor);
}
/** Push back ternary factor */
void SymbolicFactorGraph::push_factor(Index key1, Index key2, Index key3) {
boost::shared_ptr<Factor> factor(new Factor(key1,key2,key3));
push_back(factor);
}
/** Push back 4-way factor */
void SymbolicFactorGraph::push_factor(Index key1, Index key2, Index key3, Index key4) {
boost::shared_ptr<Factor> factor(new Factor(key1,key2,key3,key4));
push_back(factor);
}
/* ************************************************************************* */
std::set<Index, std::less<Index>, boost::fast_pool_allocator<Index> >
SymbolicFactorGraph::keys() const {
std::set<Index, std::less<Index>, boost::fast_pool_allocator<Index> > keys;
BOOST_FOREACH(const sharedFactor& factor, *this) {
if(factor) keys.insert(factor->begin(), factor->end()); }
return keys;
}
// /* ************************************************************************* */
// SymbolicBayesNet
// SymbolicFactorGraph::eliminateFrontals(const Ordering& ordering)
// {
// return Inference::Eliminate(ordering);
// }
/* ************************************************************************* */
}