def _check_precisions_full(precisions, covariance_type):
 for (k, prec) in enumerate(precisions):
  prec = _check_precision_matrix(prec, covariance_type)

def _check_precisions_full ( precisions , covariance_type ) : for ( k , prec ) in enumerate ( precisions ) : prec = _check_precision_matrix ( prec , covariance_type )
check the precision matrices are symmetric and positive-definite .