view armadillo-3.900.4/include/armadillo_bits/fn_diagmat.hpp @ 49:1ec0e2823891

Switch to using subrepo copies of qm-dsp, nnls-chroma, vamp-plugin-sdk; update Armadillo version; assume build without external BLAS/LAPACK

// Copyright (C) 2008-2012 NICTA (www.nicta.com.au)
// Copyright (C) 2008-2012 Conrad Sanderson
// 
// 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/.


//! \addtogroup fn_diagmat
//! @{


//! interpret a matrix or a vector as a diagonal matrix (i.e. off-diagonal entries are zero)
template<typename T1>
arma_inline
typename
enable_if2
  <
  is_arma_type<T1>::value,
  const Op<T1, op_diagmat>
  >::result
diagmat(const T1& X)
  {
  arma_extra_debug_sigprint();
  
  return Op<T1, op_diagmat>(X);
  }



// TODO:
// create "op_diagmat2", to allow placement of vector onto a sub- or super- diagonal.
// op_diagmat2 is required, as other code assumes that op_diagmat indicates only the main diagonal)



//! @}