IM2_MutableMatrix_get_entry()

const RingElement * IM2_MutableMatrix_get_entry	(	const MutableMatrix *	M,
		int	r,
		int	c )

Definition at line 186 of file mutable-matrix.cpp.

{
  if (r < 0 || r >= M->n_rows())
    {
      ERROR("matrix row index %d out of range 0 .. %d", r, M->n_rows() - 1);
      return nullptr;
    }
  if (c < 0 || c >= M->n_cols())
    {
      ERROR("matrix column index %d out of range 0 .. %d", c, M->n_cols() - 1);
      return nullptr;
    }
  ring_elem result;
  M->get_entry(r, c, result);
  return RingElement::make_raw(M->get_ring(), result);
}

References ERROR, MutableMatrix::get_entry(), MutableMatrix::get_ring(), RingElement::make_raw(), MutableMatrix::n_cols(), MutableMatrix::n_rows(), and result().