Function topRows

dependency/densecrf/include/Eigen/src/plugins/BlockMethods.h:568–574

typename NRowsBlockXpr<internal::get_fixed_value<NRowsType>::value>::Type
#else
typename NRowsBlockXpr<...>::Type
#endif
topRows(NRowsType n)
{
  return typename NRowsBlockXpr<internal::get_fixed_value<NRowsType>::value>::Type
            (derived(), 0, 0, internal::get_runtime_value(n), cols());
}

/// This is the const version of topRows(NRowsType).
template<typename NRowsType>