diff armadillo-3.900.4/include/armadillo_bits/diagview_bones.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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/armadillo-3.900.4/include/armadillo_bits/diagview_bones.hpp	Thu Jun 13 10:25:24 2013 +0100
@@ -0,0 +1,103 @@
+// Copyright (C) 2008-2013 NICTA (www.nicta.com.au)
+// Copyright (C) 2008-2013 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 diagview
+//! @{
+
+
+//! Class for storing data required to extract and set the diagonals of a matrix
+template<typename eT>
+class diagview : public Base<eT, diagview<eT> >
+  {
+  public:
+  
+  typedef eT                                elem_type;
+  typedef typename get_pod_type<eT>::result pod_type;
+  
+  arma_aligned const Mat<eT>& m;
+  
+  static const bool is_row = false;
+  static const bool is_col = true;
+  
+  const uword row_offset;
+  const uword col_offset;
+  
+  const uword n_rows;     // equal to n_elem
+  const uword n_elem;
+  
+  static const uword n_cols = 1;
+  
+  
+  protected:
+  
+  arma_inline diagview(const Mat<eT>& in_m, const uword in_row_offset, const uword in_col_offset, const uword len);
+  
+  
+  public:
+  
+  inline ~diagview();
+  
+  inline void operator=(const diagview& x);
+  
+  inline void operator+=(const eT val);
+  inline void operator-=(const eT val);
+  inline void operator*=(const eT val);
+  inline void operator/=(const eT val);
+  
+  template<typename T1> inline void operator= (const Base<eT,T1>& x);
+  template<typename T1> inline void operator+=(const Base<eT,T1>& x);
+  template<typename T1> inline void operator-=(const Base<eT,T1>& x);
+  template<typename T1> inline void operator%=(const Base<eT,T1>& x);
+  template<typename T1> inline void operator/=(const Base<eT,T1>& x);
+  
+  
+  arma_inline eT  at_alt    (const uword ii) const;
+  
+  arma_inline eT& operator[](const uword ii);
+  arma_inline eT  operator[](const uword ii) const;
+  
+  arma_inline eT&         at(const uword ii);
+  arma_inline eT          at(const uword ii) const;
+  
+  arma_inline eT& operator()(const uword ii);
+  arma_inline eT  operator()(const uword ii) const;
+  
+  arma_inline eT&         at(const uword in_n_row, const uword);
+  arma_inline eT          at(const uword in_n_row, const uword) const;
+   
+  arma_inline eT& operator()(const uword in_n_row, const uword in_n_col);
+  arma_inline eT  operator()(const uword in_n_row, const uword in_n_col) const;
+  
+  
+  arma_inline const Op<diagview<eT>,op_htrans>  t() const;
+  arma_inline const Op<diagview<eT>,op_htrans> ht() const;
+  arma_inline const Op<diagview<eT>,op_strans> st() const;
+  
+  inline void fill(const eT val);
+  inline void zeros();
+  inline void ones();
+  
+  inline static void extract(Mat<eT>& out, const diagview& in);
+  
+  inline static void  plus_inplace(Mat<eT>& out, const diagview& in);
+  inline static void minus_inplace(Mat<eT>& out, const diagview& in);
+  inline static void schur_inplace(Mat<eT>& out, const diagview& in);
+  inline static void   div_inplace(Mat<eT>& out, const diagview& in);
+  
+  
+  private:
+  
+  friend class Mat<eT>;
+  friend class subview<eT>;
+  
+  diagview();
+  //diagview(const diagview&);  // making this private causes an error under gcc 4.1/4.2, but not 4.3
+  };
+
+
+//! @}