// Copyright (C) 2008-2010 National ICT Australia (NICTA) // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this // file, You can obtain one at http://mozilla.org/MPL/2.0/. // ------------------------------------------------------------------- // // Written by Conrad Sanderson - http://conradsanderson.id.au //! \addtogroup fn_diagvec //! @{ //! extract a diagonal from a matrix template arma_inline const Op diagvec(const Base& X, const sword diag_id = 0) { arma_extra_debug_sigprint(); return Op(X.get_ref(), ((diag_id < 0) ? -diag_id : diag_id), ((diag_id < 0) ? 1 : 0) ); } //! @}