comparison armadillo-2.4.4/include/armadillo_bits/ProxyCube.hpp @ 0:8b6102e2a9b0

Armadillo Library

+// Copyright (C) 2010-2012 NICTA (www.nicta.com.au)
+// Copyright (C) 2010-2012 Conrad Sanderson
+// 
+// This file is part of the Armadillo C++ library.
+// It is provided without any warranty of fitness
+// for any purpose. You can redistribute this file
+// and/or modify it under the terms of the GNU
+// Lesser General Public License (LGPL) as published
+// by the Free Software Foundation, either version 3
+// of the License or (at your option) any later version.
+// (see http://www.opensource.org/licenses for more info)
+
+
+//! \addtogroup ProxyCube
+//! @{
+
+
+
+template<typename T1>
+class ProxyCube
+  {
+  public:
+  inline ProxyCube(const T1& A)
+    {
+    arma_type_check(( is_arma_cube_type<T1>::value == false ));
+    }
+  };
+
+
+
+// ea_type is the "element accessor" type,
+// which can provide access to elements via operator[]
+
+template<typename eT>
+class ProxyCube< Cube<eT> >
+  {
+  public:
+  
+  typedef eT                                       elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  typedef Cube<eT>                                 stored_type;
+  typedef const eT*                                ea_type;
+  
+  static const bool prefer_at_accessor = false;
+  static const bool has_subview        = false;
+  
+  arma_aligned const Cube<eT>& Q;
+  
+  inline explicit ProxyCube(const Cube<eT>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline uword get_n_rows()       const { return Q.n_rows;       }
+  arma_inline uword get_n_cols()       const { return Q.n_cols;       }
+  arma_inline uword get_n_elem_slice() const { return Q.n_elem_slice; }
+  arma_inline uword get_n_slices()     const { return Q.n_slices;     }
+  arma_inline uword get_n_elem()       const { return Q.n_elem;       }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q.memptr(); }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>& X) const { return (void_ptr(&Q) == void_ptr(&X)); }
+  };
+
+
+
+template<typename eT, typename gen_type>
+class ProxyCube< GenCube<eT, gen_type > >
+  {
+  public:
+  
+  typedef          eT                              elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  typedef GenCube<eT, gen_type>                    stored_type;
+  typedef const GenCube<eT, gen_type>&             ea_type;
+  
+  static const bool prefer_at_accessor = false;
+  static const bool has_subview        = false;
+  
+  arma_aligned const GenCube<eT, gen_type>& Q;
+  
+  inline explicit ProxyCube(const GenCube<eT, gen_type>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline uword get_n_rows()       const { return Q.n_rows;                     }
+  arma_inline uword get_n_cols()       const { return Q.n_cols;                     }
+  arma_inline uword get_n_elem_slice() const { return Q.n_rows*Q.n_cols;            }
+  arma_inline uword get_n_slices()     const { return Q.n_slices;                   }
+  arma_inline uword get_n_elem()       const { return Q.n_rows*Q.n_cols*Q.n_slices; }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q; }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>&) const { return false; }
+  };
+
+
+
+template<typename T1, typename op_type>
+class ProxyCube< OpCube<T1, op_type> >
+  {
+  public:
+  
+  typedef typename T1::elem_type                   elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  typedef Cube<elem_type>                          stored_type;
+  typedef const elem_type*                         ea_type;
+  
+  static const bool prefer_at_accessor = false;
+  static const bool has_subview        = false;
+  
+  arma_aligned const Cube<elem_type> Q;
+  
+  inline explicit ProxyCube(const OpCube<T1, op_type>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline uword get_n_rows()       const { return Q.n_rows;       }
+  arma_inline uword get_n_cols()       const { return Q.n_cols;       }
+  arma_inline uword get_n_elem_slice() const { return Q.n_elem_slice; }
+  arma_inline uword get_n_slices()     const { return Q.n_slices;     }
+  arma_inline uword get_n_elem()       const { return Q.n_elem;       }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q.memptr(); }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>&) const { return false; }
+  };
+
+
+
+template<typename T1, typename T2, typename glue_type>
+class ProxyCube< GlueCube<T1, T2, glue_type> >
+  {
+  public:
+  
+  typedef typename T1::elem_type                   elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  typedef Cube<elem_type>                          stored_type;
+  typedef const elem_type*                         ea_type;
+  
+  static const bool prefer_at_accessor = false;
+  static const bool has_subview        = false;
+  
+  arma_aligned const Cube<elem_type> Q;
+  
+  inline explicit ProxyCube(const GlueCube<T1, T2, glue_type>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+
+  arma_inline uword get_n_rows()       const { return Q.n_rows;       }
+  arma_inline uword get_n_cols()       const { return Q.n_cols;       }
+  arma_inline uword get_n_elem_slice() const { return Q.n_elem_slice; }
+  arma_inline uword get_n_slices()     const { return Q.n_slices;     }
+  arma_inline uword get_n_elem()       const { return Q.n_elem;       }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q.memptr(); }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>&) const { return false; }
+  };
+
+
+
+template<typename eT>
+class ProxyCube< subview_cube<eT> >
+  {
+  public:
+  
+  typedef eT                                       elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  typedef subview_cube<eT>                         stored_type;
+  typedef const subview_cube<eT>&                  ea_type;
+  
+  static const bool prefer_at_accessor = true;
+  static const bool has_subview        = true;
+  
+  arma_aligned const subview_cube<eT>& Q;
+  
+  inline explicit ProxyCube(const subview_cube<eT>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline uword get_n_rows()       const { return Q.n_rows;       }
+  arma_inline uword get_n_cols()       const { return Q.n_cols;       }
+  arma_inline uword get_n_elem_slice() const { return Q.n_elem_slice; }
+  arma_inline uword get_n_slices()     const { return Q.n_slices;     }
+  arma_inline uword get_n_elem()       const { return Q.n_elem;       }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q; }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>& X) const { return (void_ptr(&(Q.m)) == void_ptr(&X)); }
+  };
+
+
+
+template<typename T1, typename eop_type>
+class ProxyCube< eOpCube<T1, eop_type > >
+  {
+  public:
+  
+  typedef typename T1::elem_type                   elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  typedef eOpCube<T1, eop_type>                    stored_type;
+  typedef const eOpCube<T1, eop_type>&             ea_type;
+  
+  static const bool prefer_at_accessor = eOpCube<T1, eop_type>::prefer_at_accessor;
+  static const bool has_subview        = eOpCube<T1, eop_type>::has_subview;
+  
+  arma_aligned const eOpCube<T1, eop_type>& Q;
+  
+  inline explicit ProxyCube(const eOpCube<T1, eop_type>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline uword get_n_rows()       const { return Q.get_n_rows();       }
+  arma_inline uword get_n_cols()       const { return Q.get_n_cols();       }
+  arma_inline uword get_n_elem_slice() const { return Q.get_n_elem_slice(); }
+  arma_inline uword get_n_slices()     const { return Q.get_n_slices();     }
+  arma_inline uword get_n_elem()       const { return Q.get_n_elem();       }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q; }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>& X) const { return Q.P.is_alias(X); }
+  };
+
+
+
+template<typename T1, typename T2, typename eglue_type>
+class ProxyCube< eGlueCube<T1, T2, eglue_type > >
+  {
+  public:
+  
+  typedef typename T1::elem_type                   elem_type;
+  typedef typename get_pod_type<elem_type>::result pod_type;
+  typedef eGlueCube<T1, T2, eglue_type>            stored_type;
+  typedef const eGlueCube<T1, T2, eglue_type>&     ea_type;
+  
+  static const bool prefer_at_accessor = eGlueCube<T1, T2, eglue_type>::prefer_at_accessor;
+  static const bool has_subview        = eGlueCube<T1, T2, eglue_type>::has_subview;
+  
+  arma_aligned const eGlueCube<T1, T2, eglue_type>& Q;
+  
+  inline explicit ProxyCube(const eGlueCube<T1, T2, eglue_type>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline uword get_n_rows()       const { return Q.get_n_rows();       }
+  arma_inline uword get_n_cols()       const { return Q.get_n_cols();       }
+  arma_inline uword get_n_elem_slice() const { return Q.get_n_elem_slice(); }
+  arma_inline uword get_n_slices()     const { return Q.get_n_slices();     }
+  arma_inline uword get_n_elem()       const { return Q.get_n_elem();       }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q; }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>& X) const { return (Q.P1.is_alias(X) || Q.P2.is_alias(X)); }
+  };
+
+
+
+template<typename out_eT, typename T1, typename op_type>
+class ProxyCube< mtOpCube<out_eT, T1, op_type> >
+  {
+  public:
+  
+  typedef          out_eT                       elem_type;
+  typedef typename get_pod_type<out_eT>::result pod_type;
+  typedef          Cube<out_eT>                 stored_type;
+  typedef          const elem_type*             ea_type;
+  
+  static const bool prefer_at_accessor = false;
+  static const bool has_subview        = false;
+  
+  arma_aligned const Cube<out_eT> Q;
+  
+  inline explicit ProxyCube(const mtOpCube<out_eT, T1, op_type>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline uword get_n_rows()       const { return Q.n_rows;       }
+  arma_inline uword get_n_cols()       const { return Q.n_cols;       }
+  arma_inline uword get_n_elem_slice() const { return Q.n_elem_slice; }
+  arma_inline uword get_n_slices()     const { return Q.n_slices;     }
+  arma_inline uword get_n_elem()       const { return Q.n_elem;       }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q.memptr(); }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>&) const { return false; }
+  };
+
+
+
+template<typename out_eT, typename T1, typename T2, typename glue_type>
+class ProxyCube< mtGlueCube<out_eT, T1, T2, glue_type > >
+  {
+  public:
+  
+  typedef          out_eT                       elem_type;
+  typedef typename get_pod_type<out_eT>::result pod_type;
+  typedef          Cube<out_eT>                 stored_type;
+  typedef          const elem_type*             ea_type;
+  
+  static const bool prefer_at_accessor = false;
+  static const bool has_subview        = false;
+  
+  arma_aligned const Cube<out_eT> Q;
+  
+  inline explicit ProxyCube(const mtGlueCube<out_eT, T1, T2, glue_type>& A)
+    : Q(A)
+    {
+    arma_extra_debug_sigprint();
+    }
+  
+  arma_inline uword get_n_rows()       const { return Q.n_rows;       }
+  arma_inline uword get_n_cols()       const { return Q.n_cols;       }
+  arma_inline uword get_n_elem_slice() const { return Q.n_elem_slice; }
+  arma_inline uword get_n_slices()     const { return Q.n_slices;     }
+  arma_inline uword get_n_elem()       const { return Q.n_elem;       }
+  
+  arma_inline elem_type operator[] (const uword i)                                       const { return Q[i];                  }
+  arma_inline elem_type at         (const uword row, const uword col, const uword slice) const { return Q.at(row, col, slice); }
+  
+  arma_inline ea_type get_ea() const { return Q.memptr(); }
+  
+  template<typename eT2>
+  arma_inline bool is_alias(const Cube<eT2>&) const { return false; }
+  };
+
+
+
+//! @}