row2by2()

template<typename Mat>

virtual bool MutableMat< Mat >::row2by2 ( size_t r1, size_t r2, ring_elem a1, ring_elem a2, ring_elem b1, ring_elem b2 )

inlinevirtual

Implements MutableMatrix.

Definition at line 489 of file mutablemat-defs.hpp.

  {
    size_t nrows = n_rows();
    if (error_row_bound(r1, nrows) || error_row_bound(r2, nrows)) return false;
    if (r1 == r2) return true;
    const ElementType& aa1 = mat.ring().from_ring_elem_const(a1);
    const ElementType& aa2 = mat.ring().from_ring_elem_const(a2);
    const ElementType& bb1 = mat.ring().from_ring_elem_const(b1);
    const ElementType& bb2 = mat.ring().from_ring_elem_const(b2);
    MatOps::row2by2(mat, r1, r2, aa1, aa2, bb1, bb2);
    return true;
  }

References error_row_bound(), mat, and n_rows().