column2by2()

template<typename Mat>

virtual bool MutableMat< Mat >::column2by2 ( size_t c1, size_t c2, ring_elem a1, ring_elem a2, ring_elem b1, ring_elem b2 )

inlinevirtual

Implements MutableMatrix.

Definition at line 467 of file mutablemat-defs.hpp.

  {
    size_t ncols = n_cols();
    if (error_column_bound(c1, ncols) || error_column_bound(c2, ncols))
      return false;
    if (c1 == c2) 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::column2by2(mat, c1, c2, aa1, aa2, bb1, bb2);
    return true;
  }

References error_column_bound(), mat, and n_cols().