diff armadillo-3.900.4/include/armadillo_bits/diagmat_proxy.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

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/armadillo-3.900.4/include/armadillo_bits/diagmat_proxy.hpp	Thu Jun 13 10:25:24 2013 +0100
@@ -0,0 +1,578 @@
+// 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 diagmat_proxy
+//! @{
+
+
+
+template<typename T1>
+class diagmat_proxy_default
+  {
+  public:
+  
+  typedef typename T1::elem_type                   elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy_default(const T1& X)
+    : P       ( X )
+    , P_is_vec( (resolves_to_vector<T1>::value) || (P.get_n_rows() == 1) || (P.get_n_cols() == 1) )
+    , P_is_col( T1::is_col || (P.get_n_cols() == 1) )
+    , n_elem  ( P_is_vec ? P.get_n_elem() : (std::min)(P.get_n_elem(), P.get_n_rows()) )
+    {
+    arma_extra_debug_sigprint();
+    
+    arma_debug_check
+      (
+      (P_is_vec == false) && (P.get_n_rows() != P.get_n_cols()),
+      "diagmat(): only vectors and square matrices are accepted"
+      );
+    }
+  
+  
+  arma_inline
+  elem_type
+  operator[](const uword i) const
+    {
+    if(Proxy<T1>::prefer_at_accessor == false)
+      {
+      return P_is_vec ? P[i] : P.at(i,i);
+      }
+    else
+      {
+      if(P_is_vec)
+        {
+        return (P_is_col) ? P.at(i,0) : P.at(0,i);
+        }
+      else
+        {
+        return P.at(i,i);
+        }
+      }
+    }
+  
+  
+  arma_inline
+  elem_type
+  at(const uword row, const uword col) const
+    {
+    if(row == col)
+      {
+      if(Proxy<T1>::prefer_at_accessor == false)
+        {
+        return (P_is_vec) ? P[row] : P.at(row,row);
+        }
+      else
+        {
+        if(P_is_vec)
+          {
+          return (P_is_col) ? P.at(row,0) : P.at(0,row);
+          }
+        else
+          {
+          return P.at(row,row);
+          }
+        }
+      }
+    else
+      {
+      return elem_type(0);
+      }
+    }
+  
+  
+  const Proxy<T1> P;
+  const bool      P_is_vec;
+  const bool      P_is_col;
+  const uword     n_elem;
+  };
+
+
+
+template<typename T1>
+class diagmat_proxy_fixed
+  {
+  public:
+  
+  typedef typename T1::elem_type                   elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy_fixed(const T1& X)
+    : P(X)
+    {
+    arma_extra_debug_sigprint();
+    
+    arma_debug_check
+      (
+      (P_is_vec == false) && (T1::n_rows != T1::n_cols),
+      "diagmat(): only vectors and square matrices are accepted"
+      );
+    }
+  
+  
+  arma_inline
+  elem_type
+  operator[](const uword i) const
+    {
+    return (P_is_vec) ? P[i] : P.at(i,i);
+    }
+  
+  
+  arma_inline
+  elem_type
+  at(const uword row, const uword col) const
+    {
+    if(row == col)
+      {
+      return (P_is_vec) ? P[row] : P.at(row,row);
+      }
+    else
+      {
+      return elem_type(0);
+      }
+    }
+  
+  const T1& P;
+  
+  static const bool  P_is_vec = (T1::n_rows == 1) || (T1::n_cols == 1);
+  static const uword n_elem   = P_is_vec ? T1::n_elem : ( (T1::n_elem < T1::n_rows) ? T1::n_elem : T1::n_rows );
+  };
+
+
+
+template<typename T1, bool condition>
+struct diagmat_proxy_redirect {};
+
+template<typename T1>
+struct diagmat_proxy_redirect<T1, false> { typedef diagmat_proxy_default<T1> result; };
+
+template<typename T1>
+struct diagmat_proxy_redirect<T1, true>  { typedef diagmat_proxy_fixed<T1>   result; };
+
+
+template<typename T1>
+class diagmat_proxy : public diagmat_proxy_redirect<T1, is_Mat_fixed<T1>::value >::result
+  {
+  public:
+  inline diagmat_proxy(const T1& X)
+    : diagmat_proxy_redirect< T1, is_Mat_fixed<T1>::value >::result(X)
+    {
+    }
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy< Mat<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy(const Mat<eT>& X)
+    : P       ( X )
+    , P_is_vec( (X.n_rows == 1) || (X.n_cols == 1) )
+    , n_elem  ( P_is_vec ? X.n_elem : (std::min)(X.n_elem, X.n_rows) )
+    {
+    arma_extra_debug_sigprint();
+    
+    arma_debug_check
+      (
+      (P_is_vec == false) && (P.n_rows != P.n_cols),
+      "diagmat(): only vectors and square matrices are accepted"
+      );
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P_is_vec ? P[i] : P.at(i,i);                                         }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? ( P_is_vec ? P[row] : P.at(row,row) ) : elem_type(0); }
+  
+  const Mat<eT>& P;
+  const bool     P_is_vec;
+  const uword    n_elem;
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy< Row<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  
+  inline
+  diagmat_proxy(const Row<eT>& X)
+    : P(X)
+    , n_elem(X.n_elem)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P[i];                                                                }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? P[row] : elem_type(0); }
+  
+  static const bool P_is_vec = true;
+  
+  const Row<eT>& P;
+  const uword    n_elem;
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy< Col<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  
+  inline
+  diagmat_proxy(const Col<eT>& X)
+    : P(X)
+    , n_elem(X.n_elem)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P[i];                                 }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? P[row] : elem_type(0); }
+  
+  static const bool P_is_vec = true;
+  
+  const Col<eT>& P;
+  const uword    n_elem;
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy< subview_row<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  
+  inline
+  diagmat_proxy(const subview_row<eT>& X)
+    : P(X)
+    , n_elem(X.n_elem)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P[i];                                 }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? P[row] : elem_type(0); }
+  
+  static const bool P_is_vec = true;
+  
+  const subview_row<eT>& P;
+  const uword            n_elem;
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy< subview_col<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  
+  inline
+  diagmat_proxy(const subview_col<eT>& X)
+    : P(X)
+    , n_elem(X.n_elem)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P[i];                                 }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? P[row] : elem_type(0); }
+  
+  static const bool P_is_vec = true;
+  
+  const subview_col<eT>& P;
+  const uword            n_elem;
+  };
+
+
+
+//
+//
+//
+
+
+
+template<typename T1>
+class diagmat_proxy_check_default
+  {
+  public:
+  
+  typedef typename T1::elem_type                   elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy_check_default(const T1& X, const Mat<typename T1::elem_type>&)
+    : P(X)
+    , P_is_vec( (resolves_to_vector<T1>::value) || (P.n_rows == 1) || (P.n_cols == 1) )
+    , n_elem( P_is_vec ? P.n_elem : (std::min)(P.n_elem, P.n_rows) )
+    {
+    arma_extra_debug_sigprint();
+    
+    arma_debug_check
+      (
+      (P_is_vec == false) && (P.n_rows != P.n_cols),
+      "diagmat(): only vectors and square matrices are accepted"
+      );
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P_is_vec ? P[i] : P.at(i,i);                                         }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? ( P_is_vec ? P[row] : P.at(row,row) ) : elem_type(0); }
+  
+  const Mat<elem_type> P;
+  const bool           P_is_vec;
+  const uword          n_elem;
+  };
+
+
+
+template<typename T1>
+class diagmat_proxy_check_fixed
+  {
+  public:
+  
+  typedef typename T1::elem_type                   eT;
+  typedef typename T1::elem_type                   elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy_check_fixed(const T1& X, const Mat<eT>& out)
+    : P( const_cast<eT*>(X.memptr()), T1::n_rows, T1::n_cols, (&X == &out), false )
+    {
+    arma_extra_debug_sigprint();
+    
+    arma_debug_check
+      (
+      (P_is_vec == false) && (T1::n_rows != T1::n_cols),
+      "diagmat(): only vectors and square matrices are accepted"
+      );
+    }
+  
+  
+  arma_inline eT operator[] (const uword i)                    const { return P_is_vec ? P[i] : P.at(i,i);                                         }
+  arma_inline eT at         (const uword row, const uword col) const { return (row == col) ? ( P_is_vec ? P[row] : P.at(row,row) ) : elem_type(0); }
+  
+  const Mat<eT> P;  // TODO: why not just store X directly as T1& ?  test with fixed size vectors and matrices
+  
+  static const bool  P_is_vec = (T1::n_rows == 1) || (T1::n_cols == 1);
+  static const uword n_elem   = P_is_vec ? T1::n_elem : ( (T1::n_elem < T1::n_rows) ? T1::n_elem : T1::n_rows );
+  };
+
+
+
+template<typename T1, bool condition>
+struct diagmat_proxy_check_redirect {};
+
+template<typename T1>
+struct diagmat_proxy_check_redirect<T1, false> { typedef diagmat_proxy_check_default<T1> result; };
+
+template<typename T1>
+struct diagmat_proxy_check_redirect<T1, true>  { typedef diagmat_proxy_check_fixed<T1>   result; };
+
+
+template<typename T1>
+class diagmat_proxy_check : public diagmat_proxy_check_redirect<T1, is_Mat_fixed<T1>::value >::result
+  {
+  public:
+  inline diagmat_proxy_check(const T1& X, const Mat<typename T1::elem_type>& out)
+    : diagmat_proxy_check_redirect< T1, is_Mat_fixed<T1>::value >::result(X, out)
+    {
+    }
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy_check< Mat<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  
+  inline
+  diagmat_proxy_check(const Mat<eT>& X, const Mat<eT>& out)
+    : P_local ( (&X == &out) ? new Mat<eT>(X) : 0  )
+    , P       ( (&X == &out) ? (*P_local)     : X  )
+    , P_is_vec( (P.n_rows == 1) || (P.n_cols == 1) )
+    , n_elem  ( P_is_vec ? P.n_elem : (std::min)(P.n_elem, P.n_rows) )
+    {
+    arma_extra_debug_sigprint();
+    
+    arma_debug_check
+      (
+      (P_is_vec == false) && (P.n_rows != P.n_cols),
+      "diagmat(): only vectors and square matrices are accepted"
+      );
+    }
+  
+  inline ~diagmat_proxy_check()
+    {
+    if(P_local) { delete P_local; }
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P_is_vec ? P[i] : P.at(i,i);                                         }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? ( P_is_vec ? P[row] : P.at(row,row) ) : elem_type(0); }
+  
+  const Mat<eT>* P_local;
+  const Mat<eT>& P;
+  const bool     P_is_vec;
+  const uword    n_elem;
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy_check< Row<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy_check(const Row<eT>& X, const Mat<eT>& out)
+    : P_local ( (&X == reinterpret_cast<const Row<eT>*>(&out)) ? new Row<eT>(X) : 0 )
+    , P       ( (&X == reinterpret_cast<const Row<eT>*>(&out)) ? (*P_local)     : X )
+    , n_elem  (X.n_elem)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  inline ~diagmat_proxy_check()
+    {
+    if(P_local) { delete P_local; }
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P[i];                                 }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? P[row] : elem_type(0); }
+  
+  static const bool P_is_vec = true;
+  
+  const Row<eT>* P_local;
+  const Row<eT>& P;
+  const uword    n_elem;
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy_check< Col<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy_check(const Col<eT>& X, const Mat<eT>& out)
+    : P_local ( (&X == reinterpret_cast<const Col<eT>*>(&out)) ? new Col<eT>(X) : 0 )
+    , P       ( (&X == reinterpret_cast<const Col<eT>*>(&out)) ? (*P_local)     : X )
+    , n_elem  (X.n_elem)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  inline ~diagmat_proxy_check()
+    {
+    if(P_local) { delete P_local; }
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P[i];                                 }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? P[row] : elem_type(0); }
+  
+  static const bool P_is_vec = true;
+  
+  const Col<eT>* P_local;
+  const Col<eT>& P;
+  const uword    n_elem;
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy_check< subview_row<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy_check(const subview_row<eT>& X, const Mat<eT>&)
+    : P       ( X )
+    , n_elem  ( X.n_elem )
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P[i];                                 }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? P[row] : elem_type(0); }
+  
+  static const bool P_is_vec = true;
+  
+  const Row<eT> P;
+  const uword   n_elem;
+  };
+
+
+
+template<typename eT>
+class diagmat_proxy_check< subview_col<eT> >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  
+  inline
+  diagmat_proxy_check(const subview_col<eT>& X, const Mat<eT>& out)
+    : P     ( const_cast<eT*>(X.colptr(0)), X.n_rows, (&(X.m) == &out), false )
+    , n_elem( X.n_elem )
+    //, X_ref ( X )
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline elem_type operator[] (const uword i)                    const { return P[i];                                 }
+  arma_inline elem_type at         (const uword row, const uword col) const { return (row == col) ? P[row] : elem_type(0); }
+  
+  static const bool P_is_vec = true;
+  
+  const Col<eT> P;
+  const uword   n_elem;
+  
+  //const subview_col<eT>& X_ref;   // prevents the compiler from potentially deleting X before we're done with it
+  };
+
+
+
+//! @}