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// N-D Array manipulations.
/*
Copyright (C) 2003 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 "Array-util.h"
#include "chNDArray.h"
#include "mx-base.h"
#include "lo-ieee.h"
#include "lo-mappers.h"
// XXX FIXME XXX -- this is not quite the right thing.
boolNDArray
charNDArray::all (int dim) const
{
MX_ND_ANY_ALL_REDUCTION (MX_ND_ALL_EVAL (elem (iter_idx) == ' '), true);
}
boolNDArray
charNDArray::any (int dim) const
{
MX_ND_ANY_ALL_REDUCTION (MX_ND_ANY_EVAL (elem (iter_idx) != ' '), false);
}
charNDArray
charNDArray::concat (const charNDArray& rb, const Array<int>& ra_idx)
{
if (rb.numel () > 0)
insert (rb, ra_idx);
return *this;
}
charNDArray
charNDArray::concat (const NDArray& rb, const Array<int>& ra_idx)
{
charNDArray tmp (rb.dims ());
int nel = rb.numel ();
if (rb.numel () == 0)
return *this;
for (int i = 0; i < nel; i++)
{
double d = rb.elem (i);
if (xisnan (d))
{
(*current_liboctave_error_handler)
("invalid conversion from NaN to character");
return *this;
}
else
{
int ival = NINT (d);
if (ival < 0 || ival > UCHAR_MAX)
// XXX FIXME XXX -- is there something
// better we could do? Should we warn the user?
ival = 0;
tmp.elem (i) = static_cast<char>(ival);
}
}
insert (tmp, ra_idx);
return *this;
}
charNDArray&
charNDArray::insert (const charNDArray& a, int r, int c)
{
Array<char>::insert (a, r, c);
return *this;
}
charNDArray&
charNDArray::insert (const charNDArray& a, const Array<int>& ra_idx)
{
Array<char>::insert (a, ra_idx);
return *this;
}
charMatrix
charNDArray::matrix_value (void) const
{
charMatrix retval;
int nd = ndims ();
switch (nd)
{
case 1:
retval = charMatrix (Array2<char> (*this, dimensions(0), 1));
break;
case 2:
retval = charMatrix (Array2<char> (*this, dimensions(0),
dimensions(1)));
break;
default:
(*current_liboctave_error_handler)
("invalid conversion of charNDArray to charMatrix");
break;
}
return retval;
}
void
charNDArray::increment_index (Array<int>& ra_idx,
const dim_vector& dimensions,
int start_dimension)
{
::increment_index (ra_idx, dimensions, start_dimension);
}
int
charNDArray::compute_index (Array<int>& ra_idx,
const dim_vector& dimensions)
{
return ::compute_index (ra_idx, dimensions);
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
|
