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// Template array classes
/*
Copyright (C) 2000 John W. Eaton
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
Octave 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION)
#pragma implementation
#endif
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cassert>
#include <iostream>
#include "Array-util.h"
#include "ArrayN.h"
#include "ArrayN-idx.h"
#include "idx-vector.h"
#include "lo-error.h"
// N-dimensional array class.
template <class T>
std::ostream&
operator << (std::ostream& os, const ArrayN<T>& a)
{
dim_vector a_dims = a.dims ();
int n_dims = a_dims.length ();
os << n_dims << "-dimensional array";
if (n_dims)
os << " (" << a_dims.str () << ")";
os <<"\n\n";
if (n_dims)
{
os << "data:";
Array<int> ra_idx (n_dims, 0);
// Number of times the first 2d-array is to be displayed.
int m = 1;
for (int i = 2; i < n_dims; i++)
m *= a_dims(i);
if (m == 1)
{
int rows = 0;
int cols = 0;
switch (n_dims)
{
case 2:
rows = a_dims(0);
cols = a_dims(1);
for (int j = 0; j < rows; j++)
{
ra_idx(0) = j;
for (int k = 0; k < cols; k++)
{
ra_idx(1) = k;
os << " " << a.elem(ra_idx);
}
os << "\n";
}
break;
default:
rows = a_dims(0);
for (int k = 0; k < rows; k++)
{
ra_idx(0) = k;
os << " " << a.elem(ra_idx);
}
break;
}
os << "\n";
}
else
{
int rows = a_dims(0);
int cols = a_dims(1);
for (int i = 0; i < m; i++)
{
os << "\n(:,:,";
for (int j = 2; j < n_dims - 1; j++)
os << ra_idx(j) + 1 << ",";
os << ra_idx(n_dims - 1) + 1 << ") = \n";
for (int j = 0; j < rows; j++)
{
ra_idx(0) = j;
for (int k = 0; k < cols; k++)
{
ra_idx(1) = k;
os << " " << a.elem(ra_idx);
}
os << "\n";
}
os << "\n";
if (i != m - 1)
increment_index (ra_idx, a_dims, 2);
}
}
}
return os;
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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