// Copyright (C) 2009-2010 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
// Written by Dimitrios Bouzas



//! \addtogroup op_cov
//! @{



class op_cov
  {
  public:
  
  template<typename eT> inline static void direct_cov(Mat<eT>&                out, const Mat<eT>& X,                const uword norm_type);
  template<typename  T> inline static void direct_cov(Mat< std::complex<T> >& out, const Mat< std::complex<T> >& X, const uword norm_type);
  
  template<typename T1> inline static void apply(Mat<typename T1::elem_type>& out, const Op<T1,op_cov>& in);
  };



//! @}