Method MatrixGraph

linalg/sparsematrix.cpp:56–87

  

  MatrixGraph :: MatrixGraph (FlatArray<int> elsperrow, size_t awidth)
  {
    size = elsperrow.Size();
    width = awidth;
    owner = true;

    firsti.SetSize (size+1);
    nze = 0;
    for (int i = 0; i < size; i++)
      {
	firsti[i] = nze;
	nze += elsperrow[i];
      }
    firsti[size] = nze;
    
    // colnr.SetSize (nze+1);
    colnr = NumaDistributedArray<int> (nze);   // nze+1

    /*
    for (size_t i = 0; i < nze; i++)
      colnr[i] = -1;
    */
    
    FlatArray<ColIdx> hcolnr = colnr;
    ParallelForRange (nze,
		      [hcolnr] (auto myrange)
		      {
			hcolnr.Range(myrange) = -1;
		      });

    CalcBalancing ();
  }
                                                                                                                                                                                                                  
  MatrixGraph :: MatrixGraph (size_t as, int max_elsperrow) 
  {