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							1201 lines
						
					
					
						
							48 KiB
						
					
					
				
								/* -*- c++ -*- (enables emacs c++ mode) */
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								/*===========================================================================
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								 Copyright (C) 2002-2012 Yves Renard
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								 This file is a part of GETFEM++
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								 Getfem++  is  free software;  you  can  redistribute  it  and/or modify it
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								 under  the  terms  of the  GNU  Lesser General Public License as published
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								 by  the  Free Software Foundation;  either version 3 of the License,  or
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								 (at your option) any later version along with the GCC Runtime Library
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								 Exception either version 3.1 or (at your option) any later version.
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								 This program  is  distributed  in  the  hope  that it will be useful,  but
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								 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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								 or  FITNESS  FOR  A PARTICULAR PURPOSE.  See the GNU Lesser General Public
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								 License and GCC Runtime Library Exception for more details.
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								 You  should  have received a copy of the GNU Lesser General Public License
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								 along  with  this program;  if not, write to the Free Software Foundation,
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								 Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA.
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								 As a special exception, you  may use  this file  as it is a part of a free
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								 software  library  without  restriction.  Specifically,  if   other  files
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								 instantiate  templates  or  use macros or inline functions from this file,
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								 or  you compile this  file  and  link  it  with other files  to produce an
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								 executable, this file  does  not  by itself cause the resulting executable
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								 to be covered  by the GNU Lesser General Public License.  This   exception
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								 does not  however  invalidate  any  other  reasons why the executable file
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								 might be covered by the GNU Lesser General Public License.
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								===========================================================================*/
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								/** @file gmm_matrix.h
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								   @author  Yves Renard <Yves.Renard@insa-lyon.fr>
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								   @date October 13, 2002.
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								    @brief Declaration of some matrix types (gmm::dense_matrix,
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								    gmm::row_matrix, gmm::col_matrix, gmm::csc_matrix, etc.)
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								*/
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								#ifndef GMM_MATRIX_H__
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								#define GMM_MATRIX_H__
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								#include "gmm_vector.h"
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								#include "gmm_sub_vector.h"
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								#include "gmm_sub_matrix.h"
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								#include "gmm_transposed.h"
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								namespace gmm
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								{
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								  /* ******************************************************************** */
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								  /*		                                            		  */
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								  /*		Identity matrix                         		  */
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								  /*		                                            		  */
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								  /* ******************************************************************** */
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								  struct identity_matrix {
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								    template <class MAT> void build_with(const MAT &) {}
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								  };
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								  template <typename M> inline
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								  void add(const identity_matrix&, M &v1) {
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								    size_type n = std::min(gmm::mat_nrows(v1), gmm::mat_ncols(v1));
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								    for (size_type i = 0; i < n; ++i)
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								      v1(i,i) += typename linalg_traits<M>::value_type(1);
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								  }
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								  template <typename M> inline
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								  void add(const identity_matrix &I, const M &v1)
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								  { add(I, linalg_const_cast(v1)); }
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								  template <typename V1, typename V2> inline
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								  void mult(const identity_matrix&, const V1 &v1, V2 &v2)
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  void mult(const identity_matrix&, const V1 &v1, const V2 &v2) 
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2, typename V3> inline
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								  void mult(const identity_matrix&, const V1 &v1, const V2 &v2, V3 &v3)
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								  { add(v1, v2, v3); }
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								  template <typename V1, typename V2, typename V3> inline
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								  void mult(const identity_matrix&, const V1 &v1, const V2 &v2, const V3 &v3)
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								  { add(v1, v2, v3); }
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								  template <typename V1, typename V2> inline
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								  void left_mult(const identity_matrix&, const V1 &v1, V2 &v2)
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  void left_mult(const identity_matrix&, const V1 &v1, const V2 &v2) 
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  void right_mult(const identity_matrix&, const V1 &v1, V2 &v2)
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  void right_mult(const identity_matrix&, const V1 &v1, const V2 &v2) 
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  void transposed_left_mult(const identity_matrix&, const V1 &v1, V2 &v2)
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  void transposed_left_mult(const identity_matrix&, const V1 &v1,const V2 &v2) 
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  void transposed_right_mult(const identity_matrix&, const V1 &v1, V2 &v2)
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								  { copy(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  void transposed_right_mult(const identity_matrix&,const V1 &v1,const V2 &v2) 
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								  { copy(v1, v2); }
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								  template <typename M> void copy_ident(const identity_matrix&, M &m) {
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								    size_type i = 0, n = std::min(mat_nrows(m), mat_ncols(m));
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								    clear(m);
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								    for (; i < n; ++i) m(i,i) = typename linalg_traits<M>::value_type(1);
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								  }
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								  template <typename M> inline void copy(const identity_matrix&, M &m)
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								  { copy_ident(identity_matrix(), m); } 
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								  template <typename M> inline void copy(const identity_matrix &, const M &m)
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								  { copy_ident(identity_matrix(), linalg_const_cast(m)); }
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								  template <typename V1, typename V2> inline
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								  typename linalg_traits<V1>::value_type
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								  vect_sp(const identity_matrix &, const V1 &v1, const V2 &v2)
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								  { return vect_sp(v1, v2); }
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								  template <typename V1, typename V2> inline
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								  typename linalg_traits<V1>::value_type
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								  vect_hp(const identity_matrix &, const V1 &v1, const V2 &v2)
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								  { return vect_hp(v1, v2); }
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								  template<typename M> inline bool is_identity(const M&) { return false; }
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								  inline bool is_identity(const identity_matrix&) { return true; }
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								  /* ******************************************************************** */
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								  /*		                                            		  */
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								  /*		Row matrix                                   		  */
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								  /*		                                            		  */
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								  /* ******************************************************************** */
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								  template<typename V> class row_matrix {
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								  protected :
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								    std::vector<V> li; /* array of rows.                                  */
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								    size_type nc;
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								  public :
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								    typedef typename linalg_traits<V>::reference reference;
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								    typedef typename linalg_traits<V>::value_type value_type;
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								    row_matrix(size_type r, size_type c) : li(r, V(c)), nc(c) {}
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								    row_matrix(void) : nc(0) {}
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								    reference operator ()(size_type l, size_type c) 
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								    { return li[l][c]; }
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								    value_type operator ()(size_type l, size_type c) const
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								    { return li[l][c]; }
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								    void clear_mat();
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								    void resize(size_type m, size_type n);
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								    typename std::vector<V>::iterator begin(void)
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								    { return li.begin(); }
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								    typename std::vector<V>::iterator end(void)  
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								    { return li.end(); }
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								    typename std::vector<V>::const_iterator begin(void) const
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								    { return li.begin(); }
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								    typename std::vector<V>::const_iterator end(void) const
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								    { return li.end(); }
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								    V& row(size_type i) { return li[i]; }
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								    const V& row(size_type i) const { return li[i]; }
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								    V& operator[](size_type i) { return li[i]; }
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								    const V& operator[](size_type i) const { return li[i]; }
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								    inline size_type nrows(void) const { return li.size(); }
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								    inline size_type ncols(void) const { return nc;        }
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								    void swap(row_matrix<V> &m) { std::swap(li, m.li); std::swap(nc, m.nc); }
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								    void swap_row(size_type i, size_type j) { std::swap(li[i], li[j]); }
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								  };
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								  template<typename V> void row_matrix<V>::resize(size_type m, size_type n) {
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								    size_type nr = std::min(nrows(), m);
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								    li.resize(m);
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								    for (size_type i=nr; i < m; ++i) gmm::resize(li[i], n);
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								    if (n != nc) {
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								      for (size_type i=0; i < nr; ++i) gmm::resize(li[i], n);    
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								      nc = n;
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								    }
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								  }
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								  template<typename V> void row_matrix<V>::clear_mat()
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								  { for (size_type i=0; i < nrows(); ++i) clear(li[i]); }
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								  template <typename V> struct linalg_traits<row_matrix<V> > {
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								    typedef row_matrix<V> this_type;
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								    typedef this_type origin_type;
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								    typedef linalg_false is_reference;
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								    typedef abstract_matrix linalg_type;
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								    typedef typename linalg_traits<V>::value_type value_type;
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								    typedef typename linalg_traits<V>::reference reference;
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								    typedef typename linalg_traits<V>::storage_type storage_type;
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								    typedef simple_vector_ref<V *> sub_row_type;
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								    typedef simple_vector_ref<const V *> const_sub_row_type;
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								    typedef typename std::vector<V>::iterator row_iterator;
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								    typedef typename std::vector<V>::const_iterator const_row_iterator;
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								    typedef abstract_null_type sub_col_type;
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								    typedef abstract_null_type const_sub_col_type;
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								    typedef abstract_null_type col_iterator;
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								    typedef abstract_null_type const_col_iterator;
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								    typedef row_major sub_orientation;
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								    typedef linalg_true index_sorted;
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								    static size_type nrows(const this_type &m) { return m.nrows(); }
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								    static size_type ncols(const this_type &m) { return m.ncols(); }
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								    static row_iterator row_begin(this_type &m) { return m.begin(); }
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								    static row_iterator row_end(this_type &m) { return m.end(); }
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								    static const_row_iterator row_begin(const this_type &m)
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								    { return m.begin(); }
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								    static const_row_iterator row_end(const this_type &m)
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								    { return m.end(); }
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								    static const_sub_row_type row(const const_row_iterator &it)
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								    { return const_sub_row_type(*it); }
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								    static sub_row_type row(const row_iterator &it) 
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								    { return sub_row_type(*it); }
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								    static origin_type* origin(this_type &m) { return &m; }
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								    static const origin_type* origin(const this_type &m) { return &m; }
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								    static void do_clear(this_type &m) { m.clear_mat(); }
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								    static value_type access(const const_row_iterator &itrow, size_type j)
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								    { return (*itrow)[j]; }
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								    static reference access(const row_iterator &itrow, size_type j)
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								    { return (*itrow)[j]; }
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								    static void resize(this_type &v, size_type m, size_type n)
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								    { v.resize(m, n); }
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								    static void reshape(this_type &, size_type, size_type)
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								    { GMM_ASSERT1(false, "Sorry, to be done"); }
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								  };
							 | 
						|
								
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								  template<typename V> std::ostream &operator <<
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								    (std::ostream &o, const row_matrix<V>& m) { gmm::write(o,m); return o; }
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						|
								
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								  /* ******************************************************************** */
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								  /*		                                            		  */
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								  /*		Column matrix                                		  */
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								  /*		                                            		  */
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								  /* ******************************************************************** */
							 | 
						|
								
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								  template<typename V> class col_matrix {
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						|
								  protected :
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						|
								    std::vector<V> li; /* array of columns.                               */
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						|
								    size_type nr;
							 | 
						|
								    
							 | 
						|
								  public :
							 | 
						|
								    
							 | 
						|
								    typedef typename linalg_traits<V>::reference reference;
							 | 
						|
								    typedef typename linalg_traits<V>::value_type value_type;
							 | 
						|
								    
							 | 
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								    col_matrix(size_type r, size_type c) : li(c, V(r)), nr(r) { }
							 | 
						|
								    col_matrix(void) : nr(0) {}
							 | 
						|
								    reference operator ()(size_type l, size_type c)
							 | 
						|
								    { return li[c][l]; }
							 | 
						|
								    value_type operator ()(size_type l, size_type c) const
							 | 
						|
								    { return li[c][l]; }
							 | 
						|
								
							 | 
						|
								    void clear_mat();
							 | 
						|
								    void resize(size_type, size_type);
							 | 
						|
								
							 | 
						|
								    V& col(size_type i) { return li[i]; }
							 | 
						|
								    const V& col(size_type i) const { return li[i]; }
							 | 
						|
								    V& operator[](size_type i) { return li[i]; }
							 | 
						|
								    const V& operator[](size_type i) const { return li[i]; }
							 | 
						|
								
							 | 
						|
								    typename std::vector<V>::iterator begin(void)
							 | 
						|
								    { return li.begin(); }
							 | 
						|
								    typename std::vector<V>::iterator end(void)  
							 | 
						|
								    { return li.end(); }
							 | 
						|
								    typename std::vector<V>::const_iterator begin(void) const
							 | 
						|
								    { return li.begin(); }
							 | 
						|
								    typename std::vector<V>::const_iterator end(void) const
							 | 
						|
								    { return li.end(); }
							 | 
						|
								    
							 | 
						|
								    inline size_type ncols(void) const { return li.size(); }
							 | 
						|
								    inline size_type nrows(void) const { return nr; }
							 | 
						|
								
							 | 
						|
								    void swap(col_matrix<V> &m) { std::swap(li, m.li); std::swap(nr, m.nr); }
							 | 
						|
								    void swap_col(size_type i, size_type j) { std::swap(li[i], li[j]); }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template<typename V> void col_matrix<V>::resize(size_type m, size_type n) {
							 | 
						|
								    size_type nc = std::min(ncols(), n);
							 | 
						|
								    li.resize(n);
							 | 
						|
								    for (size_type i=nc; i < n; ++i) gmm::resize(li[i], m);
							 | 
						|
								    if (m != nr) {
							 | 
						|
								      for (size_type i=0; i < nc; ++i) gmm::resize(li[i], m);    
							 | 
						|
								      nr = m;
							 | 
						|
								    }
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template<typename V> void col_matrix<V>::clear_mat()
							 | 
						|
								  { for (size_type i=0; i < ncols(); ++i)  clear(li[i]); }
							 | 
						|
								
							 | 
						|
								  template <typename V> struct linalg_traits<col_matrix<V> > {
							 | 
						|
								    typedef col_matrix<V> this_type;
							 | 
						|
								    typedef this_type origin_type;
							 | 
						|
								    typedef linalg_false is_reference;
							 | 
						|
								    typedef abstract_matrix linalg_type;
							 | 
						|
								    typedef typename linalg_traits<V>::value_type value_type;
							 | 
						|
								    typedef typename linalg_traits<V>::reference reference;
							 | 
						|
								    typedef typename linalg_traits<V>::storage_type storage_type;
							 | 
						|
								    typedef simple_vector_ref<V *> sub_col_type;
							 | 
						|
								    typedef simple_vector_ref<const V *> const_sub_col_type;
							 | 
						|
								    typedef typename std::vector<V>::iterator col_iterator;
							 | 
						|
								    typedef typename std::vector<V>::const_iterator const_col_iterator;
							 | 
						|
								    typedef abstract_null_type sub_row_type;
							 | 
						|
								    typedef abstract_null_type const_sub_row_type;
							 | 
						|
								    typedef abstract_null_type row_iterator;
							 | 
						|
								    typedef abstract_null_type const_row_iterator;
							 | 
						|
								    typedef col_major sub_orientation;
							 | 
						|
								    typedef linalg_true index_sorted;
							 | 
						|
								    static size_type nrows(const this_type &m) { return m.nrows(); }
							 | 
						|
								    static size_type ncols(const this_type &m) { return m.ncols(); }
							 | 
						|
								    static col_iterator col_begin(this_type &m) { return m.begin(); }
							 | 
						|
								    static col_iterator col_end(this_type &m) { return m.end(); }
							 | 
						|
								    static const_col_iterator col_begin(const this_type &m)
							 | 
						|
								    { return m.begin(); }
							 | 
						|
								    static const_col_iterator col_end(const this_type &m)
							 | 
						|
								    { return m.end(); }
							 | 
						|
								    static const_sub_col_type col(const const_col_iterator &it)
							 | 
						|
								    { return const_sub_col_type(*it); }
							 | 
						|
								    static sub_col_type col(const col_iterator &it) 
							 | 
						|
								    { return sub_col_type(*it); }
							 | 
						|
								    static origin_type* origin(this_type &m) { return &m; }
							 | 
						|
								    static const origin_type* origin(const this_type &m) { return &m; }
							 | 
						|
								    static void do_clear(this_type &m) { m.clear_mat(); }
							 | 
						|
								    static value_type access(const const_col_iterator &itcol, size_type j)
							 | 
						|
								    { return (*itcol)[j]; }
							 | 
						|
								    static reference access(const col_iterator &itcol, size_type j)
							 | 
						|
								    { return (*itcol)[j]; }
							 | 
						|
								    static void resize(this_type &v, size_type m, size_type n)
							 | 
						|
								    { v.resize(m,n); }
							 | 
						|
								    static void reshape(this_type &, size_type, size_type)
							 | 
						|
								    { GMM_ASSERT1(false, "Sorry, to be done"); }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template<typename V> std::ostream &operator <<
							 | 
						|
								    (std::ostream &o, const col_matrix<V>& m) { gmm::write(o,m); return o; }
							 | 
						|
								
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								  /*		                                            		  */
							 | 
						|
								  /*		Dense matrix                                		  */
							 | 
						|
								  /*		                                            		  */
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								
							 | 
						|
								  template<typename T> class dense_matrix : public std::vector<T> {
							 | 
						|
								  public:
							 | 
						|
								    typedef typename std::vector<T>::size_type size_type;
							 | 
						|
								    typedef typename std::vector<T>::iterator iterator;
							 | 
						|
								    typedef typename std::vector<T>::const_iterator const_iterator;
							 | 
						|
								    typedef typename std::vector<T>::reference reference;
							 | 
						|
								    typedef typename std::vector<T>::const_reference const_reference;
							 | 
						|
								    
							 | 
						|
								  protected:
							 | 
						|
								    size_type nbc, nbl;
							 | 
						|
								    
							 | 
						|
								  public:
							 | 
						|
								    
							 | 
						|
								    inline const_reference operator ()(size_type l, size_type c) const {
							 | 
						|
								      GMM_ASSERT2(l < nbl && c < nbc, "out of range");
							 | 
						|
								      return *(this->begin() + c*nbl+l);
							 | 
						|
								    }
							 | 
						|
								    inline reference operator ()(size_type l, size_type c) {
							 | 
						|
								      GMM_ASSERT2(l < nbl && c < nbc, "out of range");
							 | 
						|
								      return *(this->begin() + c*nbl+l);
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								    void resize(size_type, size_type);
							 | 
						|
								    void reshape(size_type, size_type);
							 | 
						|
								    
							 | 
						|
								    void fill(T a, T b = T(0));
							 | 
						|
								    inline size_type nrows(void) const { return nbl; }
							 | 
						|
								    inline size_type ncols(void) const { return nbc; }
							 | 
						|
								    void swap(dense_matrix<T> &m)
							 | 
						|
								    { std::vector<T>::swap(m); std::swap(nbc, m.nbc); std::swap(nbl, m.nbl); }
							 | 
						|
								    
							 | 
						|
								    dense_matrix(size_type l, size_type c)
							 | 
						|
								      : std::vector<T>(c*l), nbc(c), nbl(l)  {}
							 | 
						|
								    dense_matrix(void) { nbl = nbc = 0; }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template<typename T> void dense_matrix<T>::reshape(size_type m,size_type n) {
							 | 
						|
								    GMM_ASSERT2(n*m == nbl*nbc, "dimensions mismatch");
							 | 
						|
								    nbl = m; nbc = n;
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template<typename T> void dense_matrix<T>::resize(size_type m, size_type n) {
							 | 
						|
								    if (n*m > nbc*nbl) std::vector<T>::resize(n*m);
							 | 
						|
								    if (m < nbl) {
							 | 
						|
								      for (size_type i = 1; i < std::min(nbc, n); ++i)
							 | 
						|
									std::copy(this->begin()+i*nbl, this->begin()+(i*nbl+m),
							 | 
						|
										  this->begin()+i*m);
							 | 
						|
								      for (size_type i = std::min(nbc, n); i < n; ++i)
							 | 
						|
									std::fill(this->begin()+(i*m), this->begin()+(i+1)*m, T(0));
							 | 
						|
								      }
							 | 
						|
								    else if (m > nbl) { /* do nothing when the nb of rows does not change */
							 | 
						|
								      for (size_type i = std::min(nbc, n); i > 1; --i)
							 | 
						|
									std::copy(this->begin()+(i-1)*nbl, this->begin()+i*nbl,
							 | 
						|
										  this->begin()+(i-1)*m);
							 | 
						|
								      for (size_type i = 0; i < std::min(nbc, n); ++i)
							 | 
						|
									std::fill(this->begin()+(i*m+nbl), this->begin()+(i+1)*m, T(0));
							 | 
						|
								    }
							 | 
						|
								    if (n*m < nbc*nbl) std::vector<T>::resize(n*m);
							 | 
						|
								    nbl = m; nbc = n;
							 | 
						|
								  }
							 | 
						|
								  
							 | 
						|
								  template<typename T> void dense_matrix<T>::fill(T a, T b) {
							 | 
						|
								    std::fill(this->begin(), this->end(), b);
							 | 
						|
								    size_type n = std::min(nbl, nbc);
							 | 
						|
								    if (a != b) for (size_type i = 0; i < n; ++i) (*this)(i,i) = a; 
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename T> struct linalg_traits<dense_matrix<T> > {
							 | 
						|
								    typedef dense_matrix<T> this_type;
							 | 
						|
								    typedef this_type origin_type;
							 | 
						|
								    typedef linalg_false is_reference;
							 | 
						|
								    typedef abstract_matrix linalg_type;
							 | 
						|
								    typedef T value_type;
							 | 
						|
								    typedef T& reference;
							 | 
						|
								    typedef abstract_dense storage_type;
							 | 
						|
								    typedef tab_ref_reg_spaced_with_origin<typename this_type::iterator,
							 | 
						|
													   this_type> sub_row_type;
							 | 
						|
								    typedef tab_ref_reg_spaced_with_origin<typename this_type::const_iterator,
							 | 
						|
													   this_type> const_sub_row_type;
							 | 
						|
								    typedef dense_compressed_iterator<typename this_type::iterator,
							 | 
						|
												      typename this_type::iterator,
							 | 
						|
												      this_type *> row_iterator;
							 | 
						|
								    typedef dense_compressed_iterator<typename this_type::const_iterator,
							 | 
						|
												      typename this_type::iterator,
							 | 
						|
												      const this_type *> const_row_iterator;
							 | 
						|
								    typedef tab_ref_with_origin<typename this_type::iterator, 
							 | 
						|
												this_type> sub_col_type;
							 | 
						|
								    typedef tab_ref_with_origin<typename this_type::const_iterator,
							 | 
						|
												this_type> const_sub_col_type;
							 | 
						|
								    typedef dense_compressed_iterator<typename this_type::iterator,
							 | 
						|
												      typename this_type::iterator,
							 | 
						|
												      this_type *> col_iterator;
							 | 
						|
								    typedef dense_compressed_iterator<typename this_type::const_iterator,
							 | 
						|
												      typename this_type::iterator,
							 | 
						|
												      const this_type *> const_col_iterator;
							 | 
						|
								    typedef col_and_row sub_orientation;
							 | 
						|
								    typedef linalg_true index_sorted;
							 | 
						|
								    static size_type nrows(const this_type &m) { return m.nrows(); }
							 | 
						|
								    static size_type ncols(const this_type &m) { return m.ncols(); }
							 | 
						|
								    static const_sub_row_type row(const const_row_iterator &it)
							 | 
						|
								    { return const_sub_row_type(*it, it.nrows, it.ncols, it.origin); }
							 | 
						|
								    static const_sub_col_type col(const const_col_iterator &it)
							 | 
						|
								    { return const_sub_col_type(*it, *it + it.nrows, it.origin); }
							 | 
						|
								    static sub_row_type row(const row_iterator &it)
							 | 
						|
								    { return sub_row_type(*it, it.nrows, it.ncols, it.origin); }
							 | 
						|
								    static sub_col_type col(const col_iterator &it)
							 | 
						|
								    { return sub_col_type(*it, *it + it.nrows, it.origin); }
							 | 
						|
								    static row_iterator row_begin(this_type &m)
							 | 
						|
								    { return row_iterator(m.begin(), m.size() ? 1 : 0, m.nrows(), m.ncols(), 0, &m); }
							 | 
						|
								    static row_iterator row_end(this_type &m)
							 | 
						|
								    { return row_iterator(m.begin(), m.size() ? 1 : 0, m.nrows(), m.ncols(), m.nrows(), &m); }
							 | 
						|
								    static const_row_iterator row_begin(const this_type &m)
							 | 
						|
								    { return const_row_iterator(m.begin(), m.size() ? 1 : 0, m.nrows(), m.ncols(), 0, &m); }
							 | 
						|
								    static const_row_iterator row_end(const this_type &m)
							 | 
						|
								    { return const_row_iterator(m.begin(),  m.size() ? 1 : 0, m.nrows(), m.ncols(), m.nrows(), &m); }
							 | 
						|
								    static col_iterator col_begin(this_type &m)
							 | 
						|
								    { return col_iterator(m.begin(), m.nrows(), m.nrows(), m.ncols(), 0, &m); }
							 | 
						|
								    static col_iterator col_end(this_type &m)
							 | 
						|
								    { return col_iterator(m.begin(), m.nrows(), m.nrows(), m.ncols(), m.ncols(), &m); }
							 | 
						|
								    static const_col_iterator col_begin(const this_type &m)
							 | 
						|
								    { return const_col_iterator(m.begin(), m.nrows(), m.nrows(), m.ncols(), 0, &m); }
							 | 
						|
								    static const_col_iterator col_end(const this_type &m)
							 | 
						|
								    { return const_col_iterator(m.begin(),m.nrows(),m.nrows(),m.ncols(),m.ncols(), &m); }
							 | 
						|
								    static origin_type* origin(this_type &m) { return &m; }
							 | 
						|
								    static const origin_type* origin(const this_type &m) { return &m; }
							 | 
						|
								    static void do_clear(this_type &m) { m.fill(value_type(0)); }
							 | 
						|
								    static value_type access(const const_col_iterator &itcol, size_type j)
							 | 
						|
								    { return (*itcol)[j]; }
							 | 
						|
								    static reference access(const col_iterator &itcol, size_type j)
							 | 
						|
								    { return (*itcol)[j]; }
							 | 
						|
								    static void resize(this_type &v, size_type m, size_type n)
							 | 
						|
								    { v.resize(m,n); }
							 | 
						|
								    static void reshape(this_type &v, size_type m, size_type n)
							 | 
						|
								    { v.reshape(m, n); }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template<typename T> std::ostream &operator <<
							 | 
						|
								    (std::ostream &o, const dense_matrix<T>& m) { gmm::write(o,m); return o; }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								  /*                                                                      */
							 | 
						|
								  /*	        Read only compressed sparse column matrix                 */
							 | 
						|
								  /*                                                                      */
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift = 0>
							 | 
						|
								  struct csc_matrix {
							 | 
						|
								    typedef unsigned int IND_TYPE;
							 | 
						|
								
							 | 
						|
								    std::vector<T> pr;
							 | 
						|
								    std::vector<IND_TYPE> ir;
							 | 
						|
								    std::vector<IND_TYPE> jc;
							 | 
						|
								    size_type nc, nr;
							 | 
						|
								
							 | 
						|
								    typedef T value_type;
							 | 
						|
								    typedef T& access_type;
							 | 
						|
								
							 | 
						|
								    template <typename Matrix> void init_with_good_format(const Matrix &B);
							 | 
						|
								    template <typename Matrix> void init_with(const Matrix &A);
							 | 
						|
								    void init_with(const col_matrix<gmm::rsvector<T> > &B)
							 | 
						|
								    { init_with_good_format(B); }
							 | 
						|
								    void init_with(const col_matrix<wsvector<T> > &B)
							 | 
						|
								    { init_with_good_format(B); }
							 | 
						|
								    template <typename PT1, typename PT2, typename PT3, int cshift>
							 | 
						|
								    void init_with(const csc_matrix_ref<PT1,PT2,PT3,cshift>& B)
							 | 
						|
								    { init_with_good_format(B); }
							 | 
						|
								    template <typename U, int cshift>    
							 | 
						|
								    void init_with(const csc_matrix<U, cshift>& B)
							 | 
						|
								    { init_with_good_format(B); }
							 | 
						|
								
							 | 
						|
								    void init_with_identity(size_type n);
							 | 
						|
								
							 | 
						|
								    csc_matrix(void) :  nc(0), nr(0) {}
							 | 
						|
								    csc_matrix(size_type nnr, size_type nnc);
							 | 
						|
								
							 | 
						|
								    size_type nrows(void) const { return nr; }
							 | 
						|
								    size_type ncols(void) const { return nc; }
							 | 
						|
								    void swap(csc_matrix<T, shift> &m) { 
							 | 
						|
								      std::swap(pr, m.pr); 
							 | 
						|
								      std::swap(ir, m.ir); std::swap(jc, m.jc); 
							 | 
						|
								      std::swap(nc, m.nc); std::swap(nr, m.nr);
							 | 
						|
								    }
							 | 
						|
								    value_type operator()(size_type i, size_type j) const
							 | 
						|
								    { return mat_col(*this, j)[i]; }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift> template<typename Matrix>
							 | 
						|
								  void csc_matrix<T, shift>::init_with_good_format(const Matrix &B) {
							 | 
						|
								    typedef typename linalg_traits<Matrix>::const_sub_col_type col_type;
							 | 
						|
								    nc = mat_ncols(B); nr = mat_nrows(B);
							 | 
						|
								    jc.resize(nc+1);
							 | 
						|
								    jc[0] = shift;
							 | 
						|
								    for (size_type j = 0; j < nc; ++j) {
							 | 
						|
								      jc[j+1] = IND_TYPE(jc[j] + nnz(mat_const_col(B, j)));
							 | 
						|
								    }
							 | 
						|
								    pr.resize(jc[nc]);
							 | 
						|
								    ir.resize(jc[nc]);
							 | 
						|
								    for (size_type j = 0; j < nc; ++j) {
							 | 
						|
								      col_type col = mat_const_col(B, j);
							 | 
						|
								      typename linalg_traits<col_type>::const_iterator
							 | 
						|
									it = vect_const_begin(col), ite = vect_const_end(col);
							 | 
						|
								      for (size_type k = 0; it != ite; ++it, ++k) {
							 | 
						|
									pr[jc[j]-shift+k] = *it;
							 | 
						|
									ir[jc[j]-shift+k] = IND_TYPE(it.index() + shift);
							 | 
						|
								      }
							 | 
						|
								    }
							 | 
						|
								  }
							 | 
						|
								  
							 | 
						|
								  template <typename T, int shift> template <typename Matrix>
							 | 
						|
								  void csc_matrix<T, shift>::init_with(const Matrix &A) {
							 | 
						|
								    col_matrix<wsvector<T> > B(mat_nrows(A), mat_ncols(A));
							 | 
						|
								    copy(A, B);
							 | 
						|
								    init_with_good_format(B);
							 | 
						|
								  }
							 | 
						|
								  
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  void csc_matrix<T, shift>::init_with_identity(size_type n) {
							 | 
						|
								    nc = nr = n; 
							 | 
						|
								    pr.resize(nc); ir.resize(nc); jc.resize(nc+1);
							 | 
						|
								    for (size_type j = 0; j < nc; ++j)
							 | 
						|
								      { ir[j] = jc[j] = shift + j; pr[j] = T(1); }
							 | 
						|
								    jc[nc] = shift + nc;
							 | 
						|
								  }
							 | 
						|
								  
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  csc_matrix<T, shift>::csc_matrix(size_type nnr, size_type nnc)
							 | 
						|
								    : nc(nnc), nr(nnr) {
							 | 
						|
								    pr.resize(1);  ir.resize(1); jc.resize(nc+1);
							 | 
						|
								    for (size_type j = 0; j <= nc; ++j) jc[j] = shift;
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  struct linalg_traits<csc_matrix<T, shift> > {
							 | 
						|
								    typedef csc_matrix<T, shift> this_type;
							 | 
						|
								    typedef typename this_type::IND_TYPE IND_TYPE;
							 | 
						|
								    typedef linalg_const is_reference;
							 | 
						|
								    typedef abstract_matrix linalg_type;
							 | 
						|
								    typedef T value_type;
							 | 
						|
								    typedef T origin_type;
							 | 
						|
								    typedef T reference;
							 | 
						|
								    typedef abstract_sparse storage_type;
							 | 
						|
								    typedef abstract_null_type sub_row_type;
							 | 
						|
								    typedef abstract_null_type const_sub_row_type;
							 | 
						|
								    typedef abstract_null_type row_iterator;
							 | 
						|
								    typedef abstract_null_type const_row_iterator;
							 | 
						|
								    typedef abstract_null_type sub_col_type;
							 | 
						|
								    typedef cs_vector_ref<const T *, const IND_TYPE *, shift>
							 | 
						|
								    const_sub_col_type;
							 | 
						|
								    typedef sparse_compressed_iterator<const T *, const IND_TYPE *,
							 | 
						|
												       const IND_TYPE *, shift>
							 | 
						|
								    const_col_iterator;
							 | 
						|
								    typedef abstract_null_type col_iterator;
							 | 
						|
								    typedef col_major sub_orientation;
							 | 
						|
								    typedef linalg_true index_sorted;
							 | 
						|
								    static size_type nrows(const this_type &m) { return m.nrows(); }
							 | 
						|
								    static size_type ncols(const this_type &m) { return m.ncols(); }
							 | 
						|
								    static const_col_iterator col_begin(const this_type &m)
							 | 
						|
								    { return const_col_iterator(&m.pr[0],&m.ir[0],&m.jc[0], m.nr, &m.pr[0]); }
							 | 
						|
								    static const_col_iterator col_end(const this_type &m) {
							 | 
						|
								      return const_col_iterator(&m.pr[0],&m.ir[0],&m.jc[0]+m.nc,
							 | 
						|
												m.nr,&m.pr[0]);
							 | 
						|
								    }
							 | 
						|
								    static const_sub_col_type col(const const_col_iterator &it) {
							 | 
						|
								      return const_sub_col_type(it.pr + *(it.jc) - shift,
							 | 
						|
												it.ir + *(it.jc) - shift,
							 | 
						|
												*(it.jc + 1) - *(it.jc), it.n);
							 | 
						|
								    }
							 | 
						|
								    static const origin_type* origin(const this_type &m) { return &m.pr[0]; }
							 | 
						|
								    static void do_clear(this_type &m) { m.do_clear(); }
							 | 
						|
								    static value_type access(const const_col_iterator &itcol, size_type j)
							 | 
						|
								    { return col(itcol)[j]; }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  std::ostream &operator <<
							 | 
						|
								    (std::ostream &o, const csc_matrix<T, shift>& m)
							 | 
						|
								  { gmm::write(o,m); return o; }
							 | 
						|
								  
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  inline void copy(const identity_matrix &, csc_matrix<T, shift>& M)
							 | 
						|
								  { M.init_with_identity(mat_nrows(M)); }
							 | 
						|
								
							 | 
						|
								  template <typename Matrix, typename T, int shift>
							 | 
						|
								  inline void copy(const Matrix &A, csc_matrix<T, shift>& M)
							 | 
						|
								  { M.init_with(A); }
							 | 
						|
								
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								  /*                                                                      */
							 | 
						|
								  /*	        Read only compressed sparse row matrix                    */
							 | 
						|
								  /*                                                                      */
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift = 0>
							 | 
						|
								  struct csr_matrix {
							 | 
						|
								
							 | 
						|
								    typedef unsigned int IND_TYPE;
							 | 
						|
								
							 | 
						|
								    std::vector<T> pr;        // values.
							 | 
						|
								    std::vector<IND_TYPE> ir; // col indices.
							 | 
						|
								    std::vector<IND_TYPE> jc; // row repartition on pr and ir.
							 | 
						|
								    size_type nc, nr;
							 | 
						|
								
							 | 
						|
								    typedef T value_type;
							 | 
						|
								    typedef T& access_type;
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								    template <typename Matrix> void init_with_good_format(const Matrix &B);
							 | 
						|
								    void init_with(const row_matrix<wsvector<T> > &B)
							 | 
						|
								    { init_with_good_format(B); }
							 | 
						|
								    void init_with(const row_matrix<rsvector<T> > &B)
							 | 
						|
								    { init_with_good_format(B); }
							 | 
						|
								    template <typename PT1, typename PT2, typename PT3, int cshift>
							 | 
						|
								    void init_with(const csr_matrix_ref<PT1,PT2,PT3,cshift>& B)
							 | 
						|
								    { init_with_good_format(B); }
							 | 
						|
								    template <typename U, int cshift>
							 | 
						|
								    void init_with(const csr_matrix<U, cshift>& B)
							 | 
						|
								    { init_with_good_format(B); }
							 | 
						|
								
							 | 
						|
								    template <typename Matrix> void init_with(const Matrix &A);
							 | 
						|
								    void init_with_identity(size_type n);
							 | 
						|
								
							 | 
						|
								    csr_matrix(void) : nc(0), nr(0) {}
							 | 
						|
								    csr_matrix(size_type nnr, size_type nnc);
							 | 
						|
								
							 | 
						|
								    size_type nrows(void) const { return nr; }
							 | 
						|
								    size_type ncols(void) const { return nc; }
							 | 
						|
								    void swap(csr_matrix<T, shift> &m) { 
							 | 
						|
								      std::swap(pr, m.pr); 
							 | 
						|
								      std::swap(ir,m.ir); std::swap(jc, m.jc); 
							 | 
						|
								      std::swap(nc, m.nc); std::swap(nr,m.nr);
							 | 
						|
								    }
							 | 
						|
								   
							 | 
						|
								    value_type operator()(size_type i, size_type j) const
							 | 
						|
								    { return mat_row(*this, i)[j]; }
							 | 
						|
								  };
							 | 
						|
								  
							 | 
						|
								  template <typename T, int shift> template <typename Matrix>
							 | 
						|
								  void csr_matrix<T, shift>::init_with_good_format(const Matrix &B) {
							 | 
						|
								    typedef typename linalg_traits<Matrix>::const_sub_row_type row_type;
							 | 
						|
								    nc = mat_ncols(B); nr = mat_nrows(B);
							 | 
						|
								    jc.resize(nr+1);
							 | 
						|
								    jc[0] = shift;
							 | 
						|
								    for (size_type j = 0; j < nr; ++j) {
							 | 
						|
								      jc[j+1] = IND_TYPE(jc[j] + nnz(mat_const_row(B, j)));
							 | 
						|
								    }
							 | 
						|
								    pr.resize(jc[nr]);
							 | 
						|
								    ir.resize(jc[nr]);
							 | 
						|
								    for (size_type j = 0; j < nr; ++j) {
							 | 
						|
								      row_type row = mat_const_row(B, j);
							 | 
						|
								      typename linalg_traits<row_type>::const_iterator
							 | 
						|
									it = vect_const_begin(row), ite = vect_const_end(row);
							 | 
						|
								      for (size_type k = 0; it != ite; ++it, ++k) {
							 | 
						|
									pr[jc[j]-shift+k] = *it;
							 | 
						|
									ir[jc[j]-shift+k] = IND_TYPE(it.index()+shift);
							 | 
						|
								      }
							 | 
						|
								    }
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift> template <typename Matrix> 
							 | 
						|
								  void csr_matrix<T, shift>::init_with(const Matrix &A) { 
							 | 
						|
								    row_matrix<wsvector<T> > B(mat_nrows(A), mat_ncols(A)); 
							 | 
						|
								    copy(A, B); 
							 | 
						|
								    init_with_good_format(B);
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift> 
							 | 
						|
								  void csr_matrix<T, shift>::init_with_identity(size_type n) {
							 | 
						|
								    nc = nr = n; 
							 | 
						|
								    pr.resize(nr); ir.resize(nr); jc.resize(nr+1);
							 | 
						|
								    for (size_type j = 0; j < nr; ++j)
							 | 
						|
								      { ir[j] = jc[j] = shift + j; pr[j] = T(1); }
							 | 
						|
								    jc[nr] = shift + nr;
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  csr_matrix<T, shift>::csr_matrix(size_type nnr, size_type nnc)
							 | 
						|
								    : nc(nnc), nr(nnr) {
							 | 
						|
								    pr.resize(1);  ir.resize(1); jc.resize(nr+1);
							 | 
						|
								    for (size_type j = 0; j < nr; ++j) jc[j] = shift;
							 | 
						|
								    jc[nr] = shift;
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  struct linalg_traits<csr_matrix<T, shift> > {
							 | 
						|
								    typedef csr_matrix<T, shift> this_type;
							 | 
						|
								    typedef typename this_type::IND_TYPE IND_TYPE;
							 | 
						|
								    typedef linalg_const is_reference;
							 | 
						|
								    typedef abstract_matrix linalg_type;
							 | 
						|
								    typedef T value_type;
							 | 
						|
								    typedef T origin_type;
							 | 
						|
								    typedef T reference;
							 | 
						|
								    typedef abstract_sparse storage_type;
							 | 
						|
								    typedef abstract_null_type sub_col_type;
							 | 
						|
								    typedef abstract_null_type const_sub_col_type;
							 | 
						|
								    typedef abstract_null_type col_iterator;
							 | 
						|
								    typedef abstract_null_type const_col_iterator;
							 | 
						|
								    typedef abstract_null_type sub_row_type;
							 | 
						|
								    typedef cs_vector_ref<const T *, const IND_TYPE *, shift>
							 | 
						|
								    const_sub_row_type;
							 | 
						|
								    typedef sparse_compressed_iterator<const T *, const IND_TYPE *,
							 | 
						|
												       const IND_TYPE *, shift>
							 | 
						|
								    const_row_iterator;
							 | 
						|
								    typedef abstract_null_type row_iterator;
							 | 
						|
								    typedef row_major sub_orientation;
							 | 
						|
								    typedef linalg_true index_sorted;
							 | 
						|
								    static size_type nrows(const this_type &m) { return m.nrows(); }
							 | 
						|
								    static size_type ncols(const this_type &m) { return m.ncols(); }
							 | 
						|
								    static const_row_iterator row_begin(const this_type &m)
							 | 
						|
								    { return const_row_iterator(&m.pr[0], &m.ir[0], &m.jc[0], m.nc, &m.pr[0]); }
							 | 
						|
								    static const_row_iterator row_end(const this_type &m)
							 | 
						|
								    { return const_row_iterator(&m.pr[0], &m.ir[0], &m.jc[0] + m.nr, m.nc, &m.pr[0]); }
							 | 
						|
								    static const_sub_row_type row(const const_row_iterator &it) {
							 | 
						|
								      return const_sub_row_type(it.pr + *(it.jc) - shift,
							 | 
						|
												it.ir + *(it.jc) - shift,
							 | 
						|
												*(it.jc + 1) - *(it.jc), it.n);
							 | 
						|
								    }
							 | 
						|
								    static const origin_type* origin(const this_type &m) { return &m.pr[0]; }
							 | 
						|
								    static void do_clear(this_type &m) { m.do_clear(); }
							 | 
						|
								    static value_type access(const const_row_iterator &itrow, size_type j)
							 | 
						|
								    { return row(itrow)[j]; }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  std::ostream &operator <<
							 | 
						|
								    (std::ostream &o, const csr_matrix<T, shift>& m)
							 | 
						|
								  { gmm::write(o,m); return o; }
							 | 
						|
								  
							 | 
						|
								  template <typename T, int shift>
							 | 
						|
								  inline void copy(const identity_matrix &, csr_matrix<T, shift>& M)
							 | 
						|
								  { M.init_with_identity(mat_nrows(M)); }
							 | 
						|
								
							 | 
						|
								  template <typename Matrix, typename T, int shift>
							 | 
						|
								  inline void copy(const Matrix &A, csr_matrix<T, shift>& M)
							 | 
						|
								  { M.init_with(A); }
							 | 
						|
								
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								  /*		                                            		  */
							 | 
						|
								  /*		Block matrix                                		  */
							 | 
						|
								  /*		                                            		  */
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								
							 | 
						|
								  template <typename MAT> class block_matrix {
							 | 
						|
								  protected :
							 | 
						|
								    std::vector<MAT> blocks;
							 | 
						|
								    size_type nrowblocks_;
							 | 
						|
								    size_type ncolblocks_;
							 | 
						|
								    std::vector<sub_interval> introw, intcol;
							 | 
						|
								
							 | 
						|
								  public :
							 | 
						|
								    typedef typename linalg_traits<MAT>::value_type value_type;
							 | 
						|
								    typedef typename linalg_traits<MAT>::reference reference;
							 | 
						|
								
							 | 
						|
								    size_type nrows(void) const { return introw[nrowblocks_-1].max; }
							 | 
						|
								    size_type ncols(void) const { return intcol[ncolblocks_-1].max; }
							 | 
						|
								    size_type nrowblocks(void) const { return nrowblocks_; }
							 | 
						|
								    size_type ncolblocks(void) const { return ncolblocks_; }
							 | 
						|
								    const sub_interval &subrowinterval(size_type i) const { return introw[i]; }
							 | 
						|
								    const sub_interval &subcolinterval(size_type i) const { return intcol[i]; }
							 | 
						|
								    const MAT &block(size_type i, size_type j) const 
							 | 
						|
								    { return blocks[j*ncolblocks_+i]; }
							 | 
						|
								    MAT &block(size_type i, size_type j)
							 | 
						|
								    { return blocks[j*ncolblocks_+i]; }
							 | 
						|
								    void do_clear(void);
							 | 
						|
								    // to be done : read and write access to a component
							 | 
						|
								    value_type operator() (size_type i, size_type j) const {
							 | 
						|
								      size_type k, l;
							 | 
						|
								      for (k = 0; k < nrowblocks_; ++k)
							 | 
						|
									if (i >= introw[k].min && i <  introw[k].max) break;
							 | 
						|
								      for (l = 0; l < nrowblocks_; ++l)
							 | 
						|
									if (j >= introw[l].min && j <  introw[l].max) break;
							 | 
						|
								      return (block(k, l))(i - introw[k].min, j - introw[l].min);
							 | 
						|
								    }
							 | 
						|
								    reference operator() (size_type i, size_type j) {
							 | 
						|
								      size_type k, l;
							 | 
						|
								      for (k = 0; k < nrowblocks_; ++k)
							 | 
						|
									if (i >= introw[k].min && i <  introw[k].max) break;
							 | 
						|
								      for (l = 0; l < nrowblocks_; ++l)
							 | 
						|
									if (j >= introw[l].min && j <  introw[l].max) break;
							 | 
						|
								      return (block(k, l))(i - introw[k].min, j - introw[l].min);
							 | 
						|
								    }
							 | 
						|
								    
							 | 
						|
								    template <typename CONT> void resize(const CONT &c1, const CONT &c2);
							 | 
						|
								    template <typename CONT> block_matrix(const CONT &c1, const CONT &c2)
							 | 
						|
								    { resize(c1, c2); }
							 | 
						|
								    block_matrix(void) {}
							 | 
						|
								
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template <typename MAT> struct linalg_traits<block_matrix<MAT> > {
							 | 
						|
								    typedef block_matrix<MAT> this_type;
							 | 
						|
								    typedef linalg_false is_reference;
							 | 
						|
								    typedef abstract_matrix linalg_type;
							 | 
						|
								    typedef this_type origin_type;
							 | 
						|
								    typedef typename linalg_traits<MAT>::value_type value_type;
							 | 
						|
								    typedef typename linalg_traits<MAT>::reference reference;
							 | 
						|
								    typedef typename linalg_traits<MAT>::storage_type storage_type;
							 | 
						|
								    typedef abstract_null_type sub_row_type;       // to be done ...
							 | 
						|
								    typedef abstract_null_type const_sub_row_type; // to be done ...
							 | 
						|
								    typedef abstract_null_type row_iterator;       // to be done ...
							 | 
						|
								    typedef abstract_null_type const_row_iterator; // to be done ...
							 | 
						|
								    typedef abstract_null_type sub_col_type;       // to be done ...
							 | 
						|
								    typedef abstract_null_type const_sub_col_type; // to be done ...
							 | 
						|
								    typedef abstract_null_type col_iterator;       // to be done ...
							 | 
						|
								    typedef abstract_null_type const_col_iterator; // to be done ...
							 | 
						|
								    typedef abstract_null_type sub_orientation;    // to be done ...
							 | 
						|
								    typedef linalg_true index_sorted;
							 | 
						|
								    static size_type nrows(const this_type &m) { return m.nrows(); }
							 | 
						|
								    static size_type ncols(const this_type &m) { return m.ncols(); }
							 | 
						|
								    static origin_type* origin(this_type &m) { return &m; }
							 | 
						|
								    static const origin_type* origin(const this_type &m) { return &m; }
							 | 
						|
								    static void do_clear(this_type &m) { m.do_clear(); }
							 | 
						|
								    // access to be done ...    
							 | 
						|
								    static void resize(this_type &, size_type , size_type)
							 | 
						|
								    { GMM_ASSERT1(false, "Sorry, to be done"); }
							 | 
						|
								    static void reshape(this_type &, size_type , size_type)
							 | 
						|
								    { GMM_ASSERT1(false, "Sorry, to be done"); }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								  template <typename MAT> void block_matrix<MAT>::do_clear(void) { 
							 | 
						|
								    for (size_type j = 0, l = 0; j < ncolblocks_; ++j)
							 | 
						|
								      for (size_type i = 0, k = 0; i < nrowblocks_; ++i)
							 | 
						|
									clear(block(i,j));
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename MAT> template <typename CONT>
							 | 
						|
								  void block_matrix<MAT>::resize(const CONT &c1, const CONT &c2) {
							 | 
						|
								    nrowblocks_ = c1.size(); ncolblocks_ = c2.size();
							 | 
						|
								    blocks.resize(nrowblocks_ * ncolblocks_);
							 | 
						|
								    intcol.resize(ncolblocks_);
							 | 
						|
								    introw.resize(nrowblocks_);
							 | 
						|
								    for (size_type j = 0, l = 0; j < ncolblocks_; ++j) {
							 | 
						|
								      intcol[j] = sub_interval(l, c2[j]); l += c2[j];
							 | 
						|
								      for (size_type i = 0, k = 0; i < nrowblocks_; ++i) {
							 | 
						|
									if (j == 0) { introw[i] = sub_interval(k, c1[i]); k += c1[i]; }
							 | 
						|
									block(i, j) = MAT(c1[i], c2[j]);
							 | 
						|
								      }
							 | 
						|
								    }
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename M1, typename M2>
							 | 
						|
								  void copy(const block_matrix<M1> &m1, M2 &m2) {
							 | 
						|
								    for (size_type j = 0; j < m1.ncolblocks(); ++j)
							 | 
						|
								      for (size_type i = 0; i < m1.nrowblocks(); ++i)
							 | 
						|
									copy(m1.block(i,j), sub_matrix(m2, m1.subrowinterval(i), 
							 | 
						|
												       m1.subcolinterval(j)));
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename M1, typename M2>
							 | 
						|
								  void copy(const block_matrix<M1> &m1, const M2 &m2)
							 | 
						|
								  { copy(m1, linalg_const_cast(m2)); }
							 | 
						|
								  
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2>
							 | 
						|
								  void mult(const block_matrix<MAT> &m, const V1 &v1, V2 &v2) {
							 | 
						|
								    clear(v2);
							 | 
						|
								    typename sub_vector_type<V2 *, sub_interval>::vector_type sv;
							 | 
						|
								    for (size_type i = 0; i < m.nrowblocks() ; ++i)
							 | 
						|
								      for (size_type j = 0; j < m.ncolblocks() ; ++j) {
							 | 
						|
									sv = sub_vector(v2, m.subrowinterval(i));
							 | 
						|
									mult(m.block(i,j),
							 | 
						|
									     sub_vector(v1, m.subcolinterval(j)), sv, sv);
							 | 
						|
								      }
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2, typename V3>
							 | 
						|
								  void mult(const block_matrix<MAT> &m, const V1 &v1, const V2 &v2, V3 &v3) {
							 | 
						|
								    typename sub_vector_type<V3 *, sub_interval>::vector_type sv;
							 | 
						|
								    for (size_type i = 0; i < m.nrowblocks() ; ++i)
							 | 
						|
								      for (size_type j = 0; j < m.ncolblocks() ; ++j) {
							 | 
						|
									sv = sub_vector(v3, m.subrowinterval(i));
							 | 
						|
									if (j == 0)
							 | 
						|
									  mult(m.block(i,j),
							 | 
						|
									       sub_vector(v1, m.subcolinterval(j)),
							 | 
						|
									       sub_vector(v2, m.subrowinterval(i)), sv);
							 | 
						|
									else
							 | 
						|
									  mult(m.block(i,j),
							 | 
						|
									       sub_vector(v1, m.subcolinterval(j)), sv, sv);
							 | 
						|
								      }
							 | 
						|
								    
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2>
							 | 
						|
								  void mult(const block_matrix<MAT> &m, const V1 &v1, const V2 &v2)
							 | 
						|
								  { mult(m, v1, linalg_const_cast(v2)); }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2, typename V3>
							 | 
						|
								  void mult(const block_matrix<MAT> &m, const V1 &v1, const V2 &v2, 
							 | 
						|
									    const V3 &v3)
							 | 
						|
								  { mult_const(m, v1, v2, linalg_const_cast(v3)); }
							 | 
						|
								
							 | 
						|
								}
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								  /*		                                            		  */
							 | 
						|
								  /*		Distributed matrices                                	  */
							 | 
						|
								  /*		                                            		  */
							 | 
						|
								  /* ******************************************************************** */
							 | 
						|
								
							 | 
						|
								#ifdef GMM_USES_MPI
							 | 
						|
								
							 | 
						|
								// Problem : GETFEM_HAVE_MPI_H not defined in gmm : NOT SATIFACTORY !!
							 | 
						|
								#include<getfem/getfem_arch_config.h>
							 | 
						|
								
							 | 
						|
								# if defined(GETFEM_HAVE_MPI_H)
							 | 
						|
								#   include <mpi.h>
							 | 
						|
								# elif defined(GETFEM_HAVE_MPI_MPI_H)
							 | 
						|
								#   include <mpi/mpi.h>
							 | 
						|
								# elif defined(GETFEM_HAVE_MPICH2_MPI_H)
							 | 
						|
								#   include <mpich2/mpi.h>
							 | 
						|
								# endif
							 | 
						|
								
							 | 
						|
								namespace gmm {
							 | 
						|
								
							 | 
						|
								  
							 | 
						|
								  
							 | 
						|
								  template <typename T> inline MPI_Datatype mpi_type(T)
							 | 
						|
								  { GMM_ASSERT1(false, "Sorry unsupported type"); return MPI_FLOAT; }
							 | 
						|
								  inline MPI_Datatype mpi_type(double) { return MPI_DOUBLE; }
							 | 
						|
								  inline MPI_Datatype mpi_type(float) { return MPI_FLOAT; }
							 | 
						|
								  inline MPI_Datatype mpi_type(long double) { return MPI_LONG_DOUBLE; }
							 | 
						|
								#ifndef LAM_MPI
							 | 
						|
								  inline MPI_Datatype mpi_type(std::complex<float>) { return MPI_COMPLEX; }
							 | 
						|
								  inline MPI_Datatype mpi_type(std::complex<double>) { return MPI_DOUBLE_COMPLEX; }
							 | 
						|
								#endif
							 | 
						|
								  inline MPI_Datatype mpi_type(int) { return MPI_INT; }
							 | 
						|
								  inline MPI_Datatype mpi_type(unsigned int) { return MPI_UNSIGNED; }
							 | 
						|
								  inline MPI_Datatype mpi_type(long) { return MPI_LONG; }
							 | 
						|
								  inline MPI_Datatype mpi_type(unsigned long) { return MPI_UNSIGNED_LONG; }
							 | 
						|
								
							 | 
						|
								  template <typename MAT> struct mpi_distributed_matrix {
							 | 
						|
								    MAT M;
							 | 
						|
								
							 | 
						|
								    mpi_distributed_matrix(size_type n, size_type m) : M(n, m) {}
							 | 
						|
								    mpi_distributed_matrix() {}
							 | 
						|
								
							 | 
						|
								    const MAT &local_matrix(void) const { return M; }
							 | 
						|
								    MAT &local_matrix(void) { return M; }
							 | 
						|
								  };
							 | 
						|
								  
							 | 
						|
								  template <typename MAT> inline MAT &eff_matrix(MAT &m) { return m; }
							 | 
						|
								  template <typename MAT> inline
							 | 
						|
								  const MAT &eff_matrix(const MAT &m) { return m; }
							 | 
						|
								  template <typename MAT> inline
							 | 
						|
								  MAT &eff_matrix(mpi_distributed_matrix<MAT> &m) { return m.M; }
							 | 
						|
								  template <typename MAT> inline
							 | 
						|
								  const MAT &eff_matrix(const mpi_distributed_matrix<MAT> &m) { return m.M; }
							 | 
						|
								  
							 | 
						|
								
							 | 
						|
								  template <typename MAT1, typename MAT2>
							 | 
						|
								  inline void copy(const mpi_distributed_matrix<MAT1> &m1,
							 | 
						|
										   mpi_distributed_matrix<MAT2> &m2)
							 | 
						|
								  { copy(eff_matrix(m1), eff_matrix(m2)); }
							 | 
						|
								  template <typename MAT1, typename MAT2>
							 | 
						|
								  inline void copy(const mpi_distributed_matrix<MAT1> &m1,
							 | 
						|
										   const mpi_distributed_matrix<MAT2> &m2)
							 | 
						|
								  { copy(m1.M, m2.M); }
							 | 
						|
								  
							 | 
						|
								  template <typename MAT1, typename MAT2>
							 | 
						|
								  inline void copy(const mpi_distributed_matrix<MAT1> &m1, MAT2 &m2)
							 | 
						|
								  { copy(m1.M, m2); }
							 | 
						|
								  template <typename MAT1, typename MAT2>
							 | 
						|
								  inline void copy(const mpi_distributed_matrix<MAT1> &m1, const MAT2 &m2)
							 | 
						|
								  { copy(m1.M, m2); }
							 | 
						|
								  
							 | 
						|
								
							 | 
						|
								  template <typename MATSP, typename V1, typename V2> inline
							 | 
						|
								  typename strongest_value_type3<V1,V2,MATSP>::value_type
							 | 
						|
								  vect_sp(const mpi_distributed_matrix<MATSP> &ps, const V1 &v1,
							 | 
						|
									  const V2 &v2) {
							 | 
						|
								    typedef typename strongest_value_type3<V1,V2,MATSP>::value_type T;
							 | 
						|
								    T res = vect_sp(ps.M, v1, v2), rest;
							 | 
						|
								    MPI_Allreduce(&res, &rest, 1, mpi_type(T()), MPI_SUM,MPI_COMM_WORLD);
							 | 
						|
								    return rest;
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2>
							 | 
						|
								  inline void mult_add(const mpi_distributed_matrix<MAT> &m, const V1 &v1,
							 | 
						|
										       V2 &v2) {
							 | 
						|
								    typedef typename linalg_traits<V2>::value_type T;
							 | 
						|
								    std::vector<T> v3(vect_size(v2)), v4(vect_size(v2));
							 | 
						|
								    static double tmult_tot = 0.0;
							 | 
						|
								    static double tmult_tot2 = 0.0;
							 | 
						|
								    double t_ref = MPI_Wtime();
							 | 
						|
								    gmm::mult(m.M, v1, v3);
							 | 
						|
								    if (is_sparse(v2)) GMM_WARNING2("Using a plain temporary, here.");
							 | 
						|
								    double t_ref2 = MPI_Wtime();
							 | 
						|
								    MPI_Allreduce(&(v3[0]), &(v4[0]),gmm::vect_size(v2), mpi_type(T()),
							 | 
						|
										  MPI_SUM,MPI_COMM_WORLD);
							 | 
						|
								    tmult_tot2 = MPI_Wtime()-t_ref2;
							 | 
						|
								    cout << "reduce mult mpi = " << tmult_tot2 << endl;
							 | 
						|
								    gmm::add(v4, v2);
							 | 
						|
								    tmult_tot = MPI_Wtime()-t_ref;
							 | 
						|
								    cout << "tmult mpi = " << tmult_tot << endl;
							 | 
						|
								  }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2>
							 | 
						|
								  void mult_add(const mpi_distributed_matrix<MAT> &m, const V1 &v1,
							 | 
						|
										const V2 &v2_)
							 | 
						|
								  { mult_add(m, v1, const_cast<V2 &>(v2_)); }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2>
							 | 
						|
								  inline void mult(const mpi_distributed_matrix<MAT> &m, const V1 &v1,
							 | 
						|
										   const V2 &v2_)
							 | 
						|
								  { V2 &v2 = const_cast<V2 &>(v2_); clear(v2); mult_add(m, v1, v2); }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2>
							 | 
						|
								  inline void mult(const mpi_distributed_matrix<MAT> &m, const V1 &v1,
							 | 
						|
										   V2 &v2)
							 | 
						|
								  { clear(v2); mult_add(m, v1, v2); }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2, typename V3>
							 | 
						|
								  inline void mult(const mpi_distributed_matrix<MAT> &m, const V1 &v1,
							 | 
						|
										   const V2 &v2, const V3 &v3_)
							 | 
						|
								  { V3 &v3 = const_cast<V3 &>(v3_); gmm::copy(v2, v3); mult_add(m, v1, v3); }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename V1, typename V2, typename V3>
							 | 
						|
								  inline void mult(const mpi_distributed_matrix<MAT> &m, const V1 &v1,
							 | 
						|
										   const V2 &v2, V3 &v3)
							 | 
						|
								  { gmm::copy(v2, v3); mult_add(m, v1, v3); }
							 | 
						|
								  
							 | 
						|
								
							 | 
						|
								  template <typename MAT> inline
							 | 
						|
								  size_type mat_nrows(const mpi_distributed_matrix<MAT> &M) 
							 | 
						|
								  { return mat_nrows(M.M); }
							 | 
						|
								  template <typename MAT> inline
							 | 
						|
								  size_type mat_ncols(const mpi_distributed_matrix<MAT> &M) 
							 | 
						|
								  { return mat_nrows(M.M); }
							 | 
						|
								  template <typename MAT> inline
							 | 
						|
								  void resize(mpi_distributed_matrix<MAT> &M, size_type m, size_type n)
							 | 
						|
								  { resize(M.M, m, n); }
							 | 
						|
								  template <typename MAT> inline void clear(mpi_distributed_matrix<MAT> &M)
							 | 
						|
								  { clear(M.M); }
							 | 
						|
								  
							 | 
						|
								
							 | 
						|
								  // For compute reduced system
							 | 
						|
								  template <typename MAT1, typename MAT2> inline
							 | 
						|
								  void mult(const MAT1 &M1, const mpi_distributed_matrix<MAT2> &M2,
							 | 
						|
									    mpi_distributed_matrix<MAT2> &M3)
							 | 
						|
								  { mult(M1, M2.M, M3.M); }
							 | 
						|
								  template <typename MAT1, typename MAT2> inline
							 | 
						|
								  void mult(const mpi_distributed_matrix<MAT2> &M2,
							 | 
						|
									    const MAT1 &M1, mpi_distributed_matrix<MAT2> &M3)
							 | 
						|
								  { mult(M2.M, M1, M3.M); }
							 | 
						|
								  template <typename MAT1, typename MAT2, typename MAT3> inline
							 | 
						|
								  void mult(const MAT1 &M1, const mpi_distributed_matrix<MAT2> &M2,
							 | 
						|
										   MAT3 &M3)
							 | 
						|
								  { mult(M1, M2.M, M3); }
							 | 
						|
								  template <typename MAT1, typename MAT2, typename MAT3> inline
							 | 
						|
								  void mult(const MAT1 &M1, const mpi_distributed_matrix<MAT2> &M2,
							 | 
						|
										   const MAT3 &M3)
							 | 
						|
								  { mult(M1, M2.M, M3); }
							 | 
						|
								
							 | 
						|
								  template <typename M, typename SUBI1, typename SUBI2>
							 | 
						|
								  struct sub_matrix_type<const mpi_distributed_matrix<M> *, SUBI1, SUBI2>
							 | 
						|
								  { typedef abstract_null_type matrix_type; };
							 | 
						|
								
							 | 
						|
								  template <typename M, typename SUBI1, typename SUBI2>
							 | 
						|
								  struct sub_matrix_type<mpi_distributed_matrix<M> *, SUBI1, SUBI2>
							 | 
						|
								  { typedef abstract_null_type matrix_type; };
							 | 
						|
								
							 | 
						|
								  template <typename M, typename SUBI1, typename SUBI2>  inline
							 | 
						|
								  typename select_return<typename sub_matrix_type<const M *, SUBI1, SUBI2>
							 | 
						|
								  ::matrix_type, typename sub_matrix_type<M *, SUBI1, SUBI2>::matrix_type,
							 | 
						|
								   M *>::return_type
							 | 
						|
								   sub_matrix(mpi_distributed_matrix<M> &m, const SUBI1 &si1, const SUBI2 &si2)
							 | 
						|
								  { return sub_matrix(m.M, si1, si2); }
							 | 
						|
								
							 | 
						|
								  template <typename MAT, typename SUBI1, typename SUBI2>  inline
							 | 
						|
								  typename select_return<typename sub_matrix_type<const MAT *, SUBI1, SUBI2>
							 | 
						|
								  ::matrix_type, typename sub_matrix_type<MAT *, SUBI1, SUBI2>::matrix_type,
							 | 
						|
											 const MAT *>::return_type
							 | 
						|
								  sub_matrix(const mpi_distributed_matrix<MAT> &m, const SUBI1 &si1,
							 | 
						|
									     const SUBI2 &si2)
							 | 
						|
								  { return sub_matrix(m.M, si1, si2);  }
							 | 
						|
								
							 | 
						|
								  template <typename M, typename SUBI1>  inline
							 | 
						|
								    typename select_return<typename sub_matrix_type<const M *, SUBI1, SUBI1>
							 | 
						|
								    ::matrix_type, typename sub_matrix_type<M *, SUBI1, SUBI1>::matrix_type,
							 | 
						|
								    M *>::return_type
							 | 
						|
								  sub_matrix(mpi_distributed_matrix<M> &m, const SUBI1 &si1) 
							 | 
						|
								  { return sub_matrix(m.M, si1, si1); }
							 | 
						|
								
							 | 
						|
								  template <typename M, typename SUBI1>  inline
							 | 
						|
								    typename select_return<typename sub_matrix_type<const M *, SUBI1, SUBI1>
							 | 
						|
								    ::matrix_type, typename sub_matrix_type<M *, SUBI1, SUBI1>::matrix_type,
							 | 
						|
								    const M *>::return_type
							 | 
						|
								  sub_matrix(const mpi_distributed_matrix<M> &m, const SUBI1 &si1)
							 | 
						|
								  { return sub_matrix(m.M, si1, si1); }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								  template <typename L> struct transposed_return<const mpi_distributed_matrix<L> *> 
							 | 
						|
								  { typedef abstract_null_type return_type; };
							 | 
						|
								  template <typename L> struct transposed_return<mpi_distributed_matrix<L> *> 
							 | 
						|
								  { typedef abstract_null_type return_type; };
							 | 
						|
								  
							 | 
						|
								  template <typename L> inline typename transposed_return<const L *>::return_type
							 | 
						|
								  transposed(const mpi_distributed_matrix<L> &l)
							 | 
						|
								  { return transposed(l.M); }
							 | 
						|
								
							 | 
						|
								  template <typename L> inline typename transposed_return<L *>::return_type
							 | 
						|
								  transposed(mpi_distributed_matrix<L> &l)
							 | 
						|
								  { return transposed(l.M); }
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								  template <typename MAT>
							 | 
						|
								  struct linalg_traits<mpi_distributed_matrix<MAT> > {
							 | 
						|
								    typedef mpi_distributed_matrix<MAT> this_type;
							 | 
						|
								    typedef MAT origin_type;
							 | 
						|
								    typedef linalg_false is_reference;
							 | 
						|
								    typedef abstract_matrix linalg_type;
							 | 
						|
								    typedef typename linalg_traits<MAT>::value_type value_type;
							 | 
						|
								    typedef typename linalg_traits<MAT>::reference reference;
							 | 
						|
								    typedef typename linalg_traits<MAT>::storage_type storage_type;
							 | 
						|
								    typedef abstract_null_type sub_row_type;
							 | 
						|
								    typedef abstract_null_type const_sub_row_type;
							 | 
						|
								    typedef abstract_null_type row_iterator;
							 | 
						|
								    typedef abstract_null_type const_row_iterator;
							 | 
						|
								    typedef abstract_null_type sub_col_type;
							 | 
						|
								    typedef abstract_null_type const_sub_col_type;
							 | 
						|
								    typedef abstract_null_type col_iterator;
							 | 
						|
								    typedef abstract_null_type const_col_iterator;
							 | 
						|
								    typedef abstract_null_type sub_orientation;
							 | 
						|
								    typedef abstract_null_type index_sorted;
							 | 
						|
								    static size_type nrows(const this_type &m) { return nrows(m.M); }
							 | 
						|
								    static size_type ncols(const this_type &m) { return ncols(m.M); }
							 | 
						|
								    static void do_clear(this_type &m) { clear(m.M); }
							 | 
						|
								  };
							 | 
						|
								
							 | 
						|
								}
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								#endif // GMM_USES_MPI
							 | 
						|
								
							 | 
						|
								namespace std {
							 | 
						|
								  template <typename V>
							 | 
						|
								  void swap(gmm::row_matrix<V> &m1, gmm::row_matrix<V> &m2)
							 | 
						|
								  { m1.swap(m2); }
							 | 
						|
								  template <typename V>
							 | 
						|
								  void swap(gmm::col_matrix<V> &m1, gmm::col_matrix<V> &m2)
							 | 
						|
								  { m1.swap(m2); }
							 | 
						|
								  template <typename T>
							 | 
						|
								  void swap(gmm::dense_matrix<T> &m1, gmm::dense_matrix<T> &m2)
							 | 
						|
								  { m1.swap(m2); }
							 | 
						|
								  template <typename T, int shift> void 
							 | 
						|
								  swap(gmm::csc_matrix<T,shift> &m1, gmm::csc_matrix<T,shift> &m2)
							 | 
						|
								  { m1.swap(m2); }
							 | 
						|
								  template <typename T, int shift> void 
							 | 
						|
								  swap(gmm::csr_matrix<T,shift> &m1, gmm::csr_matrix<T,shift> &m2)
							 | 
						|
								  { m1.swap(m2); }
							 | 
						|
								}
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								
							 | 
						|
								#endif /* GMM_MATRIX_H__ */
							 |