CPPLapack Code

//=============================================================================
/*! operator() for const object */
inline std::complex<double> _zgsmatrix::operator()(const long& i, const long& j) const
{
#ifdef  CPPL_VERBOSE
  std::cerr << "# [MARK] _zgsmatrix::operator()(const long&, const long&) const"
            << std::endl;
#endif//CPPL_VERBOSE
  
#ifdef  CPPL_DEBUG
  if( i<0 || j<0 || M<=i || N<=j ){
    std::cerr << "[ERROR] _zgsmatrix::operator()(long, long)" << std::endl
              << "The required component is out of the matrix size."
              << std::endl
              << "Your input was (" << i << "," << j << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  //// search (i,j) component ////
  for(std::vector< std::pair<long,long> >::iterator p=Rows[i].begin(); p!=Rows[i].end(); p++){
    if(p->first==j){ return Array[p->second]; }
  }

  //// (i,j) component was not found ////
  return std::complex<double>(0.0,0.0);
}

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////

//=============================================================================
inline std::ostream& operator<<(std::ostream& s, const _zgsmatrix& mat)
{
#ifdef  CPPL_VERBOSE
  std::cerr << "# [MARK] operator<<(std::ostream&, const _zgsmatrix&)"
            << std::endl;
#endif//CPPL_VERBOSE
  
  for(long i=0; i<mat.M; i++){
    for(long j=0; j<mat.N; j++){
      std::vector< std::pair<long,long> >::iterator q;
      for(q=mat.Rows[i].begin(); q!=mat.Rows[i].end(); q++){
        if(q->first==j){ break; }
      }
      if(q!=mat.Rows[i].end()){ s << mat.Array[q->second] << " "; }
      else{ s << "x "; }
    }
    s << std::endl;
  }
  
  mat.destroy();
  return s;
}

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////

//=============================================================================
inline void _zgsmatrix::write(const char* filename) const
{
#ifdef  CPPL_VERBOSE
  std::cerr << "# [MARK] _zgsmatrix::write(const char*) const"
            << std::endl;
#endif//CPPL_VERBOSE
  
  std::ofstream s(filename, std::ios::trunc);
  
  s << "_zgsmatrix" << " " << M << " " << N << " " << CAP << std::endl;
  for(long c=0; c<VOL; c++){
    s << Indx[c] << " " << Jndx[c] << " " << Array[c] << std::endl;
  }
  
  s.close();
  destroy();
}