gtsam/cpp/GaussianISAM2.cpp

43 lines
1.4 KiB
C++

/**
* @file GaussianISAM2
* @brief Full non-linear ISAM
* @author Michael Kaess
*/
#include "GaussianISAM2.h"
using namespace std;
using namespace gtsam;
// Explicitly instantiate so we don't have to include everywhere
#include "ISAM2-inl.h"
//template class ISAM2<GaussianConditional, VectorConfig>;
namespace gtsam {
/* ************************************************************************* */
void optimize2(const GaussianISAM2::sharedClique& clique, VectorConfig& result) {
// parents are assumed to already be solved and available in result
GaussianISAM2::Clique::const_reverse_iterator it;
for (it = clique->rbegin(); it!=clique->rend(); it++) {
GaussianConditional::shared_ptr cg = *it;
Vector x = cg->solve(result); // Solve for that variable
result.insert(cg->key(), x); // store result in partial solution
}
BOOST_FOREACH(GaussianISAM2::sharedClique child, clique->children_) {
// list<GaussianISAM2::Clique::shared_ptr>::const_iterator child;
// for (child = clique->children_.begin(); child != clique->children_.end(); child++) {
optimize2(child, result);
}
}
/* ************************************************************************* */
VectorConfig optimize2(const GaussianISAM2& bayesTree) {
VectorConfig result;
// starting from the root, call optimize on each conditional
optimize2(bayesTree.root(), result);
return result;
}
} /// namespace gtsam