sort_compare()

int MatrixSorter::sort_compare ( int i, int j )

inlineprivate

Definition at line 58 of file matrix-sort.cpp.

  {
    if (i == j) return 0;
    vec v1 = sort_vecs[i];
    vec v2 = sort_vecs[j];
    if (v1 == nullptr) return 1;
    if (v2 == nullptr) return -1;
    if (deg_ascending != 0)
      {
        int d1 = sort_degs[i];
        int d2 = sort_degs[j];
        if (d1 > d2) return -deg_ascending;
        if (d1 < d2) return deg_ascending;
      }
    int cmp = R->compare_vecs(v1, v2);
    if (cmp > 0) return -ringorder_ascending;
    if (cmp < 0) return ringorder_ascending;
    return 0;
  }

References deg_ascending, R, ringorder_ascending, sort_degs, and sort_vecs.

Referenced by sort_partition().