vec_scale_row()

template<typename CoeffRing>

void SMat< CoeffRing >::vec_scale_row ( sparsevec *& v, size_t r, const elem & a ) const

private

Definition at line 437 of file smat.hpp.

{
  sparsevec head;
  head.next = v;
  for (sparsevec *p = &head; p->next != 0; p = p->next)
    if (p->next->row < r)
      break;
    else if (p->next->row == r)
      {
        ring().mult(p->next->coeff, a, p->next->coeff);
        if (ring().is_zero(p->next->coeff))
          {
            sparsevec *tmp = p->next;
            p->next = tmp->next;
            vec_remove_node(tmp);
          }
        break;
      }
  v = head.next;
}

References is_zero(), SMat< ACoeffRing >::sparsevec::next, p, ring(), and vec_remove_node().

Referenced by scale_row().