time_value_buffer.h

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/*********************************************************************
 *
 *  Software License Agreement
 *
 *  Copyright (c) 2020,
 *  TU Dortmund - Institute of Control Theory and Systems Engineering.
 *  All rights reserved.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 *  Authors: Christoph Rösmann
 *********************************************************************/
 
#ifndef SRC_SYSTEMS_INCLUDE_CORBO_SYSTEMS_TIME_VALUE_BUFFER_H_
#define SRC_SYSTEMS_INCLUDE_CORBO_SYSTEMS_TIME_VALUE_BUFFER_H_
 
#include <Eigen/Core>
 
#include <corbo-core/console.h>
 
#include <limits>
#include <memory>
#include <vector>
 
namespace corbo {
 
class TimeValueBuffer
{
 public:
    TimeValueBuffer() = default;
 
    void getValues(double ts, double dt, std::vector<std::pair<double, Eigen::VectorXd>>& useq_out);
 
    void appendValues(double t, const Eigen::Ref<const Eigen::VectorXd>& u);
 
    void setInitialValue(const Eigen::Ref<const Eigen::VectorXd>& uinit) { _uinit = uinit; }
 
    bool isEmpty() const { return _ucache.empty(); }
 
    void reset() { _ucache.clear(); }
 
 protected:
 private:
    Eigen::VectorXd _uinit;
 
    std::vector<std::pair<double, Eigen::VectorXd>> _ucache;
};
 
}  // namespace corbo
 
#endif  // SRC_SYSTEMS_INCLUDE_CORBO_SYSTEMS_TIME_VALUE_BUFFER_H_