view liboctave/boolNDArray.h @ 8987:542015fada9e

Eliminate the workspace in sparse transpose. The output's cidx (column start offset array) can serve as the workspace, so the routines operate in the space of their output.
author Jason Riedy <jason@acm.org>
date Mon, 16 Mar 2009 17:03:07 -0400
parents eb63fbe60fab
children e5f7aee2ab8c
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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 "ArrayN.h"

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

#include "boolMatrix.h"

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

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

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

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

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

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

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

  // unary operations

  boolNDArray operator ! (void) const;

  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 ArrayN<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) : ArrayN<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)

#endif

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