Method lazyAssign

Eigen/src/Core/TriangularMatrix.h:567–570

template<typename MatrixType, unsigned int Mode>
template<typename OtherDerived>
void TriangularViewImpl<MatrixType, Mode, Dense>::lazyAssign(const MatrixBase<OtherDerived>& other)
{
  internal::call_assignment_no_alias(derived(), other.template triangularView<Mode>());
}