eigenelements_worker_base ( matrix_view <T,Opt> the_matrix) : mat(the_matrix) {
if (mat.is_empty()) TRIQS_RUNTIME_ERROR<<"eigenelements_worker : the matrix is empty : matrix = "<<mat<<" ";
if (!mat.is_square()) TRIQS_RUNTIME_ERROR<<"eigenelements_worker : the matrix "<<mat<<" is not square ";
if (!mat.indexmap().is_contiguous()) TRIQS_RUNTIME_ERROR<<"eigenelements_worker : the matrix "<<mat<<" is not contiguous in memory";
dim = mat.dim0();
ev.resize(dim);
lwork = 64*dim;
work.resize(lwork);
uplo='U';compz='N' ;
has_run = false;
}
/// Copy construction
matrix_view(matrix_view const& X) : IMPL_TYPE(X.indexmap(), X.storage()) {}
/// Copy construction
matrix_view( matrix_view const & X): impl_type(X.indexmap(),X.storage()) {}
