vec_delete_rows()

template<typename CoeffRing>

void SMat< CoeffRing >::vec_delete_rows ( sparsevec *& v, size_t i, size_t j ) const

private

Definition at line 797 of file smat.hpp.

{
  size_t n_to_delete = j - i + 1;
  sparsevec head;
  sparsevec *w = &head;
  w->next = v;
  while (w->next != 0 && w->next->row >= i)
    if (w->next->row <= j)
      {
        // this row is up for the chopping block
        sparsevec *tmp = w->next;
        w->next = tmp->next;
        vec_remove_node(tmp);
      }
    else
      {
        w = w->next;
        w->row -= n_to_delete;
      }
  v = head.next;
}

References SMat< ACoeffRing >::sparsevec::next, SMat< ACoeffRing >::sparsevec::row, and vec_remove_node().

Referenced by delete_rows().