gtsam/gtsam_unstable/nonlinear/summarization.h

35 lines
1023 B
C++

/**
* @file summarization.h
*
* @brief Types and utility functions for summarization
*
* @date Jun 22, 2012
* @author Alex Cunningham
*/
#pragma once
#include <gtsam_unstable/base/dllexport.h>
#include <gtsam/nonlinear/NonlinearFactorGraph.h>
#include <gtsam/linear/GaussianFactorGraph.h>
#include <gtsam/nonlinear/Ordering.h>
namespace gtsam {
/**
* Summarization function that eliminates a set of variables (does not convert to Jacobians)
* NOTE: uses sequential solver - requires fully constrained system
*/
GaussianFactorGraphOrdered::shared_ptr GTSAM_UNSTABLE_EXPORT summarizeGraphSequential(
const GaussianFactorGraphOrdered& full_graph, const std::vector<Index>& indices, bool useQR = false);
/** Summarization that also converts keys to indices */
GaussianFactorGraphOrdered::shared_ptr GTSAM_UNSTABLE_EXPORT summarizeGraphSequential(
const GaussianFactorGraphOrdered& full_graph, const OrderingOrdered& ordering,
const KeySet& saved_keys, bool useQR = false);
} // \namespace gtsam