zgbmatrix-constructor.hpp

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//=============================================================================
/*! zgbmatrix constructor */
inline zgbmatrix::zgbmatrix()
{CPPL_VERBOSE_REPORT;
  //////// initialize ////////
  m =0;
  n =0;
  kl =0;
  ku =0;
  array =NULL;
  darray =NULL;
}

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

//=============================================================================
/*! zgbmatrix copy constructor */
inline zgbmatrix::zgbmatrix(const zgbmatrix& mat)
{CPPL_VERBOSE_REPORT;
  //////// initialize ////////
  m =mat.m;
  n =mat.n;
  kl =mat.kl;
  ku =mat.ku;
  array =new comple[(kl+ku+1)*n];
  darray =new comple*[n];
  for(int i=0; i<n; i++){
    darray[i] =&array[i*(kl+ku+1)];
  }

  //////// copy ////////
  CPPL_INT size =(kl+ku+1)*n;
  CPPL_INT inc =1;
  zcopy_(&size, mat.array, &inc, array, &inc);
}

//=============================================================================
/*! zgbmatrix constructor to cast _zgbmatrix */
inline zgbmatrix::zgbmatrix(const _zgbmatrix& mat)
{CPPL_VERBOSE_REPORT;
  m =mat.m;
  n =mat.n;
  kl =mat.kl;
  ku =mat.ku;
  array =mat.array;
  darray =mat.darray;
  
  mat.nullify();
}

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

//=============================================================================
/*! zgbmatrix constructor with size specification */
inline zgbmatrix::zgbmatrix(const CPPL_INT& _m, const CPPL_INT& _n,
                            const CPPL_INT& _kl, const CPPL_INT& _ku)
{CPPL_VERBOSE_REPORT;
#ifdef  CPPL_DEBUG
  if( _m<0 || _n<0 || _kl<0 || _ku<0 || _m<_kl || _n<_ku ){
    ERROR_REPORT;
    std::cerr << "It is impossible to make a matrix you ordered. " << std::endl
              << "Your input was (" << _m << "," << _n << ","<< _ku << "," << _kl << ")." << std::endl;
    exit(1);
  }
#endif//CPPL_DEBUG
  
  //////// initialize ////////
  m =_m;
  n =_n;
  kl =_kl;
  ku =_ku;
  array =new comple[(kl+ku+1)*n];
  darray =new comple*[n];
  for(int i=0; i<n; i++){
    darray[i] =&array[i*(kl+ku+1)];
  }
}

//=============================================================================
/*! zgbmatrix constructor with filename */
inline zgbmatrix::zgbmatrix(const char* filename)
{CPPL_VERBOSE_REPORT;
  array =NULL;
  darray =NULL;
  
  //// read ////
  read(filename);
}

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

//=============================================================================
/*! zgbmatrix destructor */
inline zgbmatrix::~zgbmatrix()
{CPPL_VERBOSE_REPORT;
  //////// delete array ////////
  delete [] array;
  delete [] darray;
}