/*
 * Copyright 2010 SRI International
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __SPASOLVER__
#define __SPASOLVER__

#include <open_karto/Mapper.h>

#ifndef EIGEN_USE_NEW_STDVECTOR
#define EIGEN_USE_NEW_STDVECTOR
#endif // EIGEN_USE_NEW_STDVECTOR

#define EIGEN_DEFAULT_IO_FORMAT Eigen::IOFormat(10)
#include <Eigen/Eigen>

#include "sparse_bundle_adjustment/spa2d.h"

typedef std::vector<karto::Matrix3> CovarianceVector;

class SpaSolver : public karto::ScanSolver
{
public:
  SpaSolver();
  virtual ~SpaSolver();

public:
  virtual void Clear();
  virtual void Compute();
  virtual const karto::ScanSolver::IdPoseVector& GetCorrections() const;

  virtual void AddNode(karto::Vertex<karto::LocalizedRangeScan>* pVertex);
  virtual void AddConstraint(karto::Edge<karto::LocalizedRangeScan>* pEdge);

private:
  karto::ScanSolver::IdPoseVector corrections;

  sba::SysSPA2d m_Spa;
};

#endif // __SPASOLVER__