scipParaSolution.cpp

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*                                                                           */
/*          This file is part of the program and software framework          */
/*                    UG --- Ubquity Generator Framework                     */
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/*  Copyright Written by Yuji Shinano <shinano@zib.de>,                      */
/*            Copyright (C) 2021-2024 by Zuse Institute Berlin,              */
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/**@file    scipParaSolution.cpp
 * @brief   ParaSolution extension for SCIP solver.
 * @author  Yuji Shinano
 *
 *
 *
 */
 
/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
 
 
#include "scipParaSolution.h"
 
using namespace ParaSCIP;
 
#ifdef UG_WITH_ZLIB
 
void
ScipParaSolution::write(
      gzstream::ogzstream &out
      )
{
   out.write((char *)&objectiveFunctionValue, sizeof(double));
   out.write((char *)&nVars, sizeof(int));
   for(int i = 0; i < nVars; i++ )
   {
      out.write((char *)&indicesAmongSolvers[i], sizeof(int));
      out.write((char *)&values[i], sizeof(SCIP_Real));
   }
}
 
bool
ScipParaSolution::read(
      UG::ParaComm *comm,
      gzstream::igzstream &in
      )
{
   in.read((char *)&objectiveFunctionValue, sizeof(double));
   if( in.eof() ) return false;
   in.read((char *)&nVars, sizeof(int));
   indicesAmongSolvers = new int[nVars];
   values = new SCIP_Real[nVars];
   for(int i = 0; i < nVars; i++ )
   {
      in.read((char *)&indicesAmongSolvers[i], sizeof(int));
      in.read((char *)&values[i], sizeof(SCIP_Real));
   }
   return true;
}
 
#endif