You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
244 lines
11 KiB
244 lines
11 KiB
/* -*- c++ -*- (enables emacs c++ mode) */
|
|
/*===========================================================================
|
|
|
|
Copyright (C) 2002-2015 Yves Renard
|
|
|
|
This file is a part of GETFEM++
|
|
|
|
Getfem++ is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published
|
|
by the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version along with the GCC Runtime Library
|
|
Exception either version 3.1 or (at your option) any later version.
|
|
This program is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
License and GCC Runtime Library Exception for more details.
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with this program; if not, write to the Free Software Foundation,
|
|
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
As a special exception, you may use this file as it is a part of a free
|
|
software library without restriction. Specifically, if other files
|
|
instantiate templates or use macros or inline functions from this file,
|
|
or you compile this file and link it with other files to produce an
|
|
executable, this file does not by itself cause the resulting executable
|
|
to be covered by the GNU Lesser General Public License. This exception
|
|
does not however invalidate any other reasons why the executable file
|
|
might be covered by the GNU Lesser General Public License.
|
|
|
|
===========================================================================*/
|
|
|
|
/**@file gmm_transposed.h
|
|
@author Yves Renard <Yves.Renard@insa-lyon.fr>
|
|
@date November 10, 2002.
|
|
@brief Generic transposed matrices
|
|
*/
|
|
#ifndef GMM_TRANSPOSED_H__
|
|
#define GMM_TRANSPOSED_H__
|
|
|
|
#include "gmm_def.h"
|
|
|
|
namespace gmm {
|
|
|
|
/* ********************************************************************* */
|
|
/* transposed reference */
|
|
/* ********************************************************************* */
|
|
|
|
template <typename PT> struct transposed_row_ref {
|
|
|
|
typedef transposed_row_ref<PT> this_type;
|
|
typedef typename std::iterator_traits<PT>::value_type M;
|
|
typedef M * CPT;
|
|
typedef typename std::iterator_traits<PT>::reference ref_M;
|
|
typedef typename select_ref<typename linalg_traits<this_type>
|
|
::const_col_iterator, typename linalg_traits<this_type>
|
|
::col_iterator, PT>::ref_type iterator;
|
|
typedef typename linalg_traits<this_type>::reference reference;
|
|
typedef typename linalg_traits<this_type>::porigin_type porigin_type;
|
|
|
|
iterator begin_, end_;
|
|
porigin_type origin;
|
|
size_type nr, nc;
|
|
|
|
transposed_row_ref(ref_M m)
|
|
: begin_(mat_row_begin(m)), end_(mat_row_end(m)),
|
|
origin(linalg_origin(m)), nr(mat_ncols(m)), nc(mat_nrows(m)) {}
|
|
|
|
transposed_row_ref(const transposed_row_ref<CPT> &cr) :
|
|
begin_(cr.begin_),end_(cr.end_), origin(cr.origin),nr(cr.nr),nc(cr.nc) {}
|
|
|
|
reference operator()(size_type i, size_type j) const
|
|
{ return linalg_traits<M>::access(begin_+j, i); }
|
|
};
|
|
|
|
template <typename PT> struct linalg_traits<transposed_row_ref<PT> > {
|
|
typedef transposed_row_ref<PT> this_type;
|
|
typedef typename std::iterator_traits<PT>::value_type M;
|
|
typedef typename linalg_traits<M>::origin_type origin_type;
|
|
typedef typename select_ref<const origin_type *, origin_type *,
|
|
PT>::ref_type porigin_type;
|
|
typedef typename which_reference<PT>::is_reference is_reference;
|
|
typedef abstract_matrix linalg_type;
|
|
typedef typename linalg_traits<M>::value_type value_type;
|
|
typedef typename select_ref<value_type,
|
|
typename linalg_traits<M>::reference, PT>::ref_type reference;
|
|
typedef typename linalg_traits<M>::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 typename linalg_traits<M>::const_sub_row_type const_sub_col_type;
|
|
typedef typename select_ref<abstract_null_type, typename
|
|
linalg_traits<M>::sub_row_type, PT>::ref_type sub_col_type;
|
|
typedef typename linalg_traits<M>::const_row_iterator const_col_iterator;
|
|
typedef typename select_ref<abstract_null_type, typename
|
|
linalg_traits<M>::row_iterator, PT>::ref_type col_iterator;
|
|
typedef col_major sub_orientation;
|
|
typedef typename linalg_traits<M>::index_sorted index_sorted;
|
|
static size_type ncols(const this_type &v) { return v.nc; }
|
|
static size_type nrows(const this_type &v) { return v.nr; }
|
|
static const_sub_col_type col(const const_col_iterator &it)
|
|
{ return linalg_traits<M>::row(it); }
|
|
static sub_col_type col(const col_iterator &it)
|
|
{ return linalg_traits<M>::row(it); }
|
|
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 origin_type* origin(this_type &v) { return v.origin; }
|
|
static const origin_type* origin(const this_type &v) { return v.origin; }
|
|
static void do_clear(this_type &v);
|
|
static value_type access(const const_col_iterator &itcol, size_type i)
|
|
{ return linalg_traits<M>::access(itcol, i); }
|
|
static reference access(const col_iterator &itcol, size_type i)
|
|
{ return linalg_traits<M>::access(itcol, i); }
|
|
};
|
|
|
|
template <typename PT>
|
|
void linalg_traits<transposed_row_ref<PT> >::do_clear(this_type &v) {
|
|
col_iterator it = mat_col_begin(v), ite = mat_col_end(v);
|
|
for (; it != ite; ++it) clear(col(it));
|
|
}
|
|
|
|
template<typename PT> std::ostream &operator <<
|
|
(std::ostream &o, const transposed_row_ref<PT>& m)
|
|
{ gmm::write(o,m); return o; }
|
|
|
|
template <typename PT> struct transposed_col_ref {
|
|
|
|
typedef transposed_col_ref<PT> this_type;
|
|
typedef typename std::iterator_traits<PT>::value_type M;
|
|
typedef M * CPT;
|
|
typedef typename std::iterator_traits<PT>::reference ref_M;
|
|
typedef typename select_ref<typename linalg_traits<this_type>
|
|
::const_row_iterator, typename linalg_traits<this_type>
|
|
::row_iterator, PT>::ref_type iterator;
|
|
typedef typename linalg_traits<this_type>::reference reference;
|
|
typedef typename linalg_traits<this_type>::porigin_type porigin_type;
|
|
|
|
iterator begin_, end_;
|
|
porigin_type origin;
|
|
size_type nr, nc;
|
|
|
|
transposed_col_ref(ref_M m)
|
|
: begin_(mat_col_begin(m)), end_(mat_col_end(m)),
|
|
origin(linalg_origin(m)), nr(mat_ncols(m)), nc(mat_nrows(m)) {}
|
|
|
|
transposed_col_ref(const transposed_col_ref<CPT> &cr) :
|
|
begin_(cr.begin_),end_(cr.end_), origin(cr.origin),nr(cr.nr),nc(cr.nc) {}
|
|
|
|
reference operator()(size_type i, size_type j) const
|
|
{ return linalg_traits<M>::access(begin_+i, j); }
|
|
};
|
|
|
|
template <typename PT> struct linalg_traits<transposed_col_ref<PT> > {
|
|
typedef transposed_col_ref<PT> this_type;
|
|
typedef typename std::iterator_traits<PT>::value_type M;
|
|
typedef typename linalg_traits<M>::origin_type origin_type;
|
|
typedef typename select_ref<const origin_type *, origin_type *,
|
|
PT>::ref_type porigin_type;
|
|
typedef typename which_reference<PT>::is_reference is_reference;
|
|
typedef abstract_matrix linalg_type;
|
|
typedef typename linalg_traits<M>::value_type value_type;
|
|
typedef typename select_ref<value_type,
|
|
typename linalg_traits<M>::reference, PT>::ref_type reference;
|
|
typedef typename linalg_traits<M>::storage_type 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 typename linalg_traits<M>::const_sub_col_type const_sub_row_type;
|
|
typedef typename select_ref<abstract_null_type, typename
|
|
linalg_traits<M>::sub_col_type, PT>::ref_type sub_row_type;
|
|
typedef typename linalg_traits<M>::const_col_iterator const_row_iterator;
|
|
typedef typename select_ref<abstract_null_type, typename
|
|
linalg_traits<M>::col_iterator, PT>::ref_type row_iterator;
|
|
typedef row_major sub_orientation;
|
|
typedef typename linalg_traits<M>::index_sorted index_sorted;
|
|
static size_type nrows(const this_type &v)
|
|
{ return v.nr; }
|
|
static size_type ncols(const this_type &v)
|
|
{ return v.nc; }
|
|
static const_sub_row_type row(const const_row_iterator &it)
|
|
{ return linalg_traits<M>::col(it); }
|
|
static sub_row_type row(const row_iterator &it)
|
|
{ return linalg_traits<M>::col(it); }
|
|
static row_iterator row_begin(this_type &m) { return m.begin_; }
|
|
static row_iterator row_end(this_type &m) { return m.end_; }
|
|
static const_row_iterator row_begin(const this_type &m)
|
|
{ return m.begin_; }
|
|
static const_row_iterator row_end(const this_type &m) { return m.end_; }
|
|
static origin_type* origin(this_type &v) { return v.origin; }
|
|
static const origin_type* origin(const this_type &v) { return v.origin; }
|
|
static void do_clear(this_type &m);
|
|
static value_type access(const const_row_iterator &itrow, size_type i)
|
|
{ return linalg_traits<M>::access(itrow, i); }
|
|
static reference access(const row_iterator &itrow, size_type i)
|
|
{ return linalg_traits<M>::access(itrow, i); }
|
|
};
|
|
|
|
template <typename PT>
|
|
void linalg_traits<transposed_col_ref<PT> >::do_clear(this_type &v) {
|
|
row_iterator it = mat_row_begin(v), ite = mat_row_end(v);
|
|
for (; it != ite; ++it) clear(row(it));
|
|
}
|
|
|
|
template<typename PT> std::ostream &operator <<
|
|
(std::ostream &o, const transposed_col_ref<PT>& m)
|
|
{ gmm::write(o,m); return o; }
|
|
|
|
template <typename TYPE, typename PT> struct transposed_return_ {
|
|
typedef abstract_null_type return_type;
|
|
};
|
|
template <typename PT> struct transposed_return_<row_major, PT> {
|
|
typedef typename std::iterator_traits<PT>::value_type L;
|
|
typedef typename select_return<transposed_row_ref<const L *>,
|
|
transposed_row_ref< L *>, PT>::return_type return_type;
|
|
};
|
|
template <typename PT> struct transposed_return_<col_major, PT> {
|
|
typedef typename std::iterator_traits<PT>::value_type L;
|
|
typedef typename select_return<transposed_col_ref<const L *>,
|
|
transposed_col_ref< L *>, PT>::return_type return_type;
|
|
};
|
|
template <typename PT> struct transposed_return {
|
|
typedef typename std::iterator_traits<PT>::value_type L;
|
|
typedef typename transposed_return_<typename principal_orientation_type<
|
|
typename linalg_traits<L>::sub_orientation>::potype,
|
|
PT>::return_type return_type;
|
|
};
|
|
|
|
template <typename L> inline
|
|
typename transposed_return<const L *>::return_type transposed(const L &l) {
|
|
return typename transposed_return<const L *>::return_type
|
|
(linalg_cast(const_cast<L &>(l)));
|
|
}
|
|
|
|
template <typename L> inline
|
|
typename transposed_return<L *>::return_type transposed(L &l)
|
|
{ return typename transposed_return<L *>::return_type(linalg_cast(l)); }
|
|
|
|
}
|
|
|
|
#endif // GMM_TRANSPOSED_H__
|