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// Template array classes with like-type math ops
/*
Copyright (C) 1996-2013 John W. Eaton
Copyright (C) 2010 VZLU Prague
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 3 of the License, 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, see
<http://www.gnu.org/licenses/>.
*/
#if !defined (octave_MDiagArray2_h)
#define octave_MDiagArray2_h 1
#include "DiagArray2.h"
#include "MArray.h"
// Two dimensional diagonal array with math ops.
// But first, some preprocessor abuse...
#include "MArray-decl.h"
MDIAGARRAY2_OPS_FORWARD_DECLS (MDiagArray2, )
template <class T>
class
MDiagArray2 : public DiagArray2<T>
{
public:
MDiagArray2 (void) : DiagArray2<T> () { }
MDiagArray2 (octave_idx_type r, octave_idx_type c) : DiagArray2<T> (r, c) { }
MDiagArray2 (octave_idx_type r, octave_idx_type c, const T& val)
: DiagArray2<T> (r, c, val) { }
MDiagArray2 (const MDiagArray2<T>& a) : DiagArray2<T> (a) { }
MDiagArray2 (const DiagArray2<T>& a) : DiagArray2<T> (a) { }
template <class U>
MDiagArray2 (const DiagArray2<U>& a) : DiagArray2<T> (a) { }
explicit MDiagArray2 (const Array<T>& a) : DiagArray2<T> (a) { }
MDiagArray2 (const Array<T>& a, octave_idx_type r, octave_idx_type c)
: DiagArray2<T> (a, r, c) { }
~MDiagArray2 (void) { }
MDiagArray2<T>& operator = (const MDiagArray2<T>& a)
{
DiagArray2<T>::operator = (a);
return *this;
}
MArray<T> array_value () const
{
return DiagArray2<T>::array_value ();
}
octave_idx_type nnz (void) const
{
octave_idx_type retval = 0;
const T *d = this->data ();
octave_idx_type nel = this->length ();
for (octave_idx_type i = 0; i < nel; i++)
{
if (d[i] != T ())
retval++;
}
return retval;
}
MArray<T> diag (octave_idx_type k = 0) const
{ return DiagArray2<T>::extract_diag (k); }
MDiagArray2<T> transpose (void) const { return DiagArray2<T>::transpose (); }
MDiagArray2<T> hermitian (T (*fcn) (const T&) = 0) const
{ return DiagArray2<T>::hermitian (fcn); }
bool is_multiple_of_identity (T val) const;
// Currently, the OPS functions don't need to be friends, but that
// may change.
MDIAGARRAY2_OPS_FRIEND_DECLS (MDiagArray2, )
};
#endif
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