view armadillo-3.900.4/include/armadillo_bits/fn_speye.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
author Chris Cannam
date Thu, 13 Jun 2013 10:25:24 +0100
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// Copyright (C) 2012 Conrad Sanderson
// Copyright (C) 2012 Ryan Curtin
// 
// 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_speye
//! @{



//! Generate a sparse matrix with the values along the main diagonal set to one
template<typename obj_type>
inline
obj_type
speye(const uword n_rows, const uword n_cols, const typename arma_SpMat_SpCol_SpRow_only<obj_type>::result* junk = NULL)
  {
  arma_extra_debug_sigprint();
  arma_ignore(junk);
  
  obj_type out;
  
  out.eye(n_rows, n_cols);
  
  return out;
  }



// Convenience shortcut method (no template parameter necessary)
inline
sp_mat
speye(const uword n_rows, const uword n_cols)
  {
  arma_extra_debug_sigprint();
  
  sp_mat out;
  
  out.eye(n_rows, n_cols);
  
  return out;
  }



//! @}