IM2_MutableMatrix_column_scale()

M2_bool IM2_MutableMatrix_column_scale	(	MutableMatrix *	M,
		const RingElement *	r,
		int	i,
		M2_bool	opposite_mult )

Definition at line 369 of file mutable-matrix.cpp.

{
  (void) opposite_mult;
  const Ring *R = M->get_ring();
  if (R != r->get_ring())
    {
      ERROR("expected same ring");
      return 0;
    }
  if (i < 0 || i >= M->n_cols())
    {
      ERROR("column index out of range");
      return 0;
    }
  M->scale_column(i, r->get_value());
  return 1;
}

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