DummyFactor.h

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#pragma once
 
#include <gtsam_unstable/dllexport.h>
#include <gtsam/nonlinear/NonlinearFactor.h>
 
namespace gtsam {
 
class GTSAM_UNSTABLE_EXPORT DummyFactor : public NonlinearFactor {
protected:
 
  // Store the dimensions of the variables and the dimension of the full system
  std::vector<size_t> dims_;
  size_t rowDim_; 
 
public:
 
  DummyFactor() : rowDim_(1) { }
 
  DummyFactor(const Key& key1, size_t dim1, const Key& key2, size_t dim2);
 
  ~DummyFactor() override {}
 
  // testable
 
  void print(const std::string& s = "", const KeyFormatter& keyFormatter = DefaultKeyFormatter) const override;
 
  bool equals(const NonlinearFactor& f, double tol = 1e-9) const override;
 
  // access
 
  const std::vector<size_t>& dims() const { return dims_; }
 
  // factor interface
 
  double error(const Values& c) const override { return 0.0; }
 
  size_t dim() const override { return rowDim_; }
 
  boost::shared_ptr<GaussianFactor> linearize(const Values& c) const override;
 
  NonlinearFactor::shared_ptr clone() const override {
    return boost::static_pointer_cast<NonlinearFactor>(
        NonlinearFactor::shared_ptr(new DummyFactor(*this)));
  }
 
};
 
} // \namespace gtsam