writeConnectivityData.hpp

/*
 * CoDiPack, a Code Differentiation Package
 *
 * Copyright (C) 2015-2026 Chair for Scientific Computing (SciComp), University of Kaiserslautern-Landau
 * Homepage: http://scicomp.rptu.de
 * Contact:  Prof. Nicolas R. Gauger (codi@scicomp.uni-kl.de)
 *
 * Lead developers: Max Sagebaum, Johannes Blühdorn (SciComp, University of Kaiserslautern-Landau)
 *
 * This file is part of CoDiPack (http://scicomp.rptu.de/software/codi).
 *
 * CoDiPack 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.
 *
 * CoDiPack 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 CoDiPack.
 * If not, see <http://www.gnu.org/licenses/>.
 *
 * For other licensing options please contact us.
 *
 * Authors:
 *  - SciComp, University of Kaiserslautern-Landau:
 *    - Max Sagebaum
 *    - Johannes Blühdorn
 *    - Former members:
 *      - Tim Albring
 */
#pragma once
 
#include <fstream>
#include <iostream>
#include <vector>
 
#include "../../config.h"
#include "../../misc/macros.hpp"
#include "../../tapes/interfaces/fullTapeInterface.hpp"
#include "../../tapes/statementEvaluators/statementEvaluatorInterface.hpp"
#include "../identifierCacheOptimizer.hpp"

namespace codi {

  template<typename T_Tape>
  struct WriteConnectivityData : public ApplyIdentifierModification<T_Tape, WriteConnectivityData<T_Tape>> {
      using Tape = CODI_DD(T_Tape, CODI_DEFAULT_TAPE);  
 
      using Base = ApplyIdentifierModification<T_Tape, WriteConnectivityData<T_Tape>>;  
 
      using Real = typename Tape::Real;              
      using Identifier = typename Tape::Identifier;  
      using EvalHandle = typename Tape::EvalHandle;  
 
      std::ofstream rhsConnectivity = {};  
      std::ofstream lhsConnectivity = {};  
 
      Identifier stmtId = 0;  
 
      Tape& tape;  

      WriteConnectivityData(Tape& t) : Base(t), tape(t) {}

      CODI_INLINE void applyToInput(Identifier& id) {
        rhsConnectivity << stmtId << " " << id << "\n";
      }

      CODI_INLINE void applyToOutput(Identifier& id) {
        lhsConnectivity << stmtId << " " << id << "\n";
      }

      CODI_INLINE void applyPostOutputLogic() {
        stmtId += 1;
      }

      void eval(std::string const& name) {
        rhsConnectivity.open(name + "_rhs.dat");
        lhsConnectivity.open(name + "_lhs.dat");
 
        tape.iterateForward(*this);
 
        rhsConnectivity.close();
        lhsConnectivity.close();
      }
  };
}