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boolNDArray.h

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/*

Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 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_boolNDArray_h)
#define octave_boolNDArray_h 1

#include "Array.h"

#include "mx-defs.h"
#include "mx-op-decl.h"

#include "boolMatrix.h"

class
OCTAVE_API
boolNDArray : public Array<bool>
{
public:

  typedef boolMatrix matrix_type;

  boolNDArray (void) : Array<bool> () { }

  boolNDArray (const dim_vector& dv) : Array<bool> (dv) { }

  boolNDArray (const dim_vector& dv, const bool& val)
    : Array<bool> (dv, val) { }
  
  boolNDArray (const boolNDArray& a) : Array<bool> (a) { }

  boolNDArray (const boolMatrix& a) : Array<bool> (a) { }

  boolNDArray (const Array<bool>& a) : Array<bool> (a) { }

  boolNDArray& operator = (const boolNDArray& a)
    {
      Array<bool>::operator = (a);
      return *this;
    }

  // unary operations

  boolNDArray operator ! (void) const;

  boolNDArray& invert (void); 

  bool any_element_is_nan (void) const { return false; }

  // FIXME -- this is not quite the right thing.

  boolNDArray all (int dim = -1) const;
  boolNDArray any (int dim = -1) const;

  NDArray sum (int dim = -1) const;
  NDArray cumsum (int dim = -1) const;

  boolNDArray concat (const boolNDArray& rb, const Array<octave_idx_type>& ra_idx);

  boolNDArray& insert (const boolNDArray& a, octave_idx_type r, octave_idx_type c);
  boolNDArray& insert (const boolNDArray& a, const Array<octave_idx_type>& ra_idx);

  boolMatrix matrix_value (void) const;

  boolNDArray squeeze (void) const { return Array<bool>::squeeze (); }

  static void increment_index (Array<octave_idx_type>& ra_idx,
                               const dim_vector& dimensions,
                               int start_dimension = 0);

  static octave_idx_type compute_index (Array<octave_idx_type>& ra_idx,
                            const dim_vector& dimensions);

  // i/o

  // friend std::ostream& operator << (std::ostream& os, const NDArray& a);
  // friend std::istream& operator >> (std::istream& is, NDArray& a);

  static bool resize_fill_value (void) { return false; }

  //  bool all_elements_are_real (void) const;
  //  bool all_integers (double& max_val, double& min_val) const;

  octave_idx_type nnz (void) const
    {
      octave_idx_type retval = 0;

      const bool *d = this->data ();

      octave_idx_type nel = this->numel ();

      for (octave_idx_type i = 0; i < nel; i++)
        {
          if (d[i])
            retval++;
        }

      return retval;
    }

  boolNDArray diag (octave_idx_type k = 0) const;

private:

  boolNDArray (bool *d, dim_vector& dv) : Array<bool> (d, dv) { }
};

NDND_BOOL_OP_DECLS (boolNDArray, boolNDArray, OCTAVE_API)
NDND_CMP_OP_DECLS (boolNDArray, boolNDArray, OCTAVE_API)

NDS_BOOL_OP_DECLS (boolNDArray, bool, OCTAVE_API)
NDS_CMP_OP_DECLS (boolNDArray, bool, OCTAVE_API)

SND_BOOL_OP_DECLS (bool, boolNDArray, OCTAVE_API)
SND_CMP_OP_DECLS (bool, boolNDArray, OCTAVE_API)

extern OCTAVE_API boolNDArray& 
mx_el_and_assign (boolNDArray& m, const boolNDArray& a);
extern OCTAVE_API boolNDArray& 
mx_el_or_assign (boolNDArray& m, const boolNDArray& a);

#endif

/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/