IM2_MutableMatrix_column_2by2()

M2_bool IM2_MutableMatrix_column_2by2	(	MutableMatrix *	M,
		int	c1,
		int	c2,
		const RingElement *	a1,
		const RingElement *	a2,
		const RingElement *	b1,
		const RingElement *	b2,
		M2_bool	opposite_mult )

Definition at line 407 of file mutable-matrix.cpp.

{
  (void) opposite_mult;
  const Ring *R = M->get_ring();
  if (a1->get_ring() != R || a2->get_ring() != R || b1->get_ring() != R ||
      b2->get_ring() != R)
    {
      ERROR("expected elements in the same ring");
      return 0;
    }
  return M->column2by2(c1,
                       c2,
                       a1->get_value(),
                       a2->get_value(),
                       b1->get_value(),
                       b2->get_value());
}

References MutableMatrix::column2by2(), ERROR, MutableMatrix::get_ring(), RingElement::get_ring(), and RingElement::get_value().