Function Dune::XT::LA::tridiagonal_ldlt

Function template Dune::XT::LA::tridiagonal_ldlt

template<class FirstVectorType, class SecondVectorType>
typename std::enable_if_t<Common::is_vector<FirstVectorType>::value && Common::is_vector<SecondVectorType>::value, void> Dune::XT::LA::tridiagonal_ldlt(FirstVectorType &diag, SecondVectorType &subdiag)

Computes the LDL^T factorization of a symmetric tridiagonal matrix in place (given diagonal and subdiagonal).