solver-HQP-base.hpp

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//
// Copyright (c) 2017 CNRS
//
// This file is part of tsid
// tsid 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.
// tsid 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
// General Lesser Public License for more details. You should have
// received a copy of the GNU Lesser General Public License along with
// tsid If not, see
// <http://www.gnu.org/licenses/>.
//

#ifndef __invdyn_solvers_hqp_base_hpp__
#define __invdyn_solvers_hqp_base_hpp__

#include "tsid/solvers/fwd.hpp"
#include "tsid/solvers/solver-HQP-output.hpp"
#include "tsid/math/constraint-base.hpp"

#include <vector>
#include <utility>

namespace tsid {
namespace solvers {

class TSID_DLLAPI SolverHQPBase {
 public:
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW

  static std::string const HQP_status_string[5];

  typedef math::RefVector RefVector;
  typedef math::ConstRefVector ConstRefVector;
  typedef math::ConstRefMatrix ConstRefMatrix;

  SolverHQPBase(const std::string& name);
  virtual ~SolverHQPBase(){};

  virtual const std::string& name() const { return m_name; }

  virtual void resize(unsigned int n, unsigned int neq, unsigned int nin) = 0;

  virtual const HQPOutput& solve(const HQPData& problemData) = 0;

  virtual void retrieveQPData(const HQPData& problemData,
                              const bool hessianRegularization) = 0;

  virtual double getObjectiveValue() = 0;

  virtual bool getUseWarmStart() { return m_useWarmStart; }
  virtual void setUseWarmStart(bool useWarmStart) {
    m_useWarmStart = useWarmStart;
  }

  virtual unsigned int getMaximumIterations() { return m_maxIter; }
  virtual bool setMaximumIterations(unsigned int maxIter);

  virtual double getMaximumTime() { return m_maxTime; }
  virtual bool setMaximumTime(double seconds);

 protected:
  std::string m_name;
  bool m_useWarmStart;     // true if the solver is allowed to warm start
  unsigned int m_maxIter;  // max number of iterations
  double m_maxTime;        // max time to solve the HQP [s]
  HQPOutput m_output;
};

}  // namespace solvers
}  // namespace tsid

#endif  // ifndef __invdyn_solvers_hqp_base_hpp__