signal_manipulation.h

/* Copyright (C) 2004-2009 MBSim Development Team
 *
 * This library 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 2.1 of the License, or (at your option) any later version. 
 *  
 * This library 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 library; if not, write to the Free Software 
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 *
 * Contact: markus.ms.schneider@gmail.com
 */
 
#ifndef _SIGNAL_MANIPULATION_H_
#define _SIGNAL_MANIPULATION_H_
 
#include "mbsimControl/signal_.h"
#include <mbsim/functions/function.h>
 
namespace MBSim {
  using Index = int;
}
 
namespace MBSimControl {
 
  class Multiplexer : public Signal {
    public:
      Multiplexer(const std::string &name="") : Signal(name) { }
      void initializeUsingXML(xercesc::DOMElement *element) override;
      void init(InitStage stage, const MBSim::InitConfigSet &config) override;
      void addInputSignal(Signal * signal_) { signal.push_back(signal_); }
      void updateSignal() override;
      int getSignalSize() const override;
    private:
      std::vector<Signal*> signal;
      std::vector<std::string> signalString;
  };
 
  class Demultiplexer : public Signal {
    public:
      Demultiplexer(const std::string &name="") : Signal(name) { }
      void initializeUsingXML(xercesc::DOMElement *element) override;
      void init(InitStage stage, const MBSim::InitConfigSet &config) override;
      void setInputSignal(Signal *signal_) { signal = signal_; }
      void setIndices(const std::vector<MBSim::Index> &index_) { index = index_; }
      void updateSignal() override;
      int getSignalSize() const override { return index.size(); }
    private:
      Signal *signal{nullptr};
      std::vector<MBSim::Index> index;
      std::string signalString;
  };
 
  class SignalTimeDiscretization : public Signal {  
    public:
      SignalTimeDiscretization(const std::string &name="") : Signal(name) { }
      void initializeUsingXML(xercesc::DOMElement *element) override;
      void init(InitStage stage, const MBSim::InitConfigSet &config) override;
      void setInputSignal(Signal *signal_) { s=signal_; }
      void updateSignal() override;
      int getSignalSize() const override { return s->getSignalSize(); }
    private:
      Signal *s{nullptr};
      double tOld{-99e99};
      std::string signalString;
  };
 
  class SignalOperation : public Signal {
    public:
      SignalOperation(const std::string &name="") : Signal(name) { }
      ~SignalOperation() override { delete f1; delete f2; }
      void initializeUsingXML(xercesc::DOMElement *element) override;
      void init(InitStage stage, const MBSim::InitConfigSet &config) override;
      void setInputSignal(Signal *signal_) { signal.resize(1,signal_); }
      void addInputSignal(Signal *signal_) { signal.push_back(signal_); }
      void setFunction(MBSim::Function<fmatvec::VecV(fmatvec::VecV)> *f) {
        f1=f;
        f1->setParent(this);
        f1->setName("Function");
      };
      void setFunction(MBSim::Function<fmatvec::VecV(fmatvec::VecV,fmatvec::VecV)> *f) {
        f2=f;
        f2->setParent(this);
        f2->setName("Function");
      };
      void setMultiplexInputSignals(bool multiplex_) { multiplex = multiplex_; }
      void updateSignal() override { (this->*updateSignal_)(); }
      void updateSignal1();
      void updateSignal2();
      int getSignalSize() const override { return f1?f1->getRetSize().first:f2->getRetSize().first; }
    private:
      std::vector<Signal*> signal;
      std::vector<std::string> signalString;
      MBSim::Function<fmatvec::VecV(fmatvec::VecV)> *f1{nullptr};
      MBSim::Function<fmatvec::VecV(fmatvec::VecV,fmatvec::VecV)> *f2{nullptr};
      bool multiplex{false};
      void (SignalOperation::*updateSignal_)();
  };
 
}
 
#endif /* _SIGNAL_MANIPULATION_H_ */