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C++ API

fNDArray.h

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/*

Copyright (C) 1996, 1997, 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_FloatNDArray_h)
#define octave_FloatNDArray_h 1

#include "MArrayN.h"
#include "fMatrix.h"
#include "intNDArray.h"

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

class
OCTAVE_API
FloatNDArray : public MArrayN<float>
{
public:

  typedef FloatMatrix matrix_type;

  FloatNDArray (void) : MArrayN<float> () { }

  FloatNDArray (const dim_vector& dv) : MArrayN<float> (dv) { }

  FloatNDArray (const dim_vector& dv, float val)
    : MArrayN<float> (dv, val) { }
  
  FloatNDArray (const FloatNDArray& a) : MArrayN<float> (a) { }

  FloatNDArray (const FloatMatrix& a) : MArrayN<float> (a) { }

  template <class U>
  FloatNDArray (const MArrayN<U>& a) : MArrayN<float> (a) { }

  template <class U>
  FloatNDArray (const Array<U>& a) : MArrayN<float> (a) { }

  template <class U>
  explicit FloatNDArray (const intNDArray<U>& a) : MArrayN<float> (a) { }

  FloatNDArray (const charNDArray&); 

  FloatNDArray& operator = (const FloatNDArray& a)
    {
      MArrayN<float>::operator = (a);
      return *this;
    }

  // unary operations

  boolNDArray operator ! (void) const;

  bool any_element_is_negative (bool = false) const;
  bool any_element_is_nan (void) const;
  bool any_element_is_inf_or_nan (void) const;
  bool any_element_not_one_or_zero (void) const;
  bool all_elements_are_zero (void) const;
  bool all_elements_are_int_or_inf_or_nan (void) const;
  bool all_integers (float& max_val, float& min_val) const;
  bool too_large_for_float (void) const;

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

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

  FloatNDArray cumprod (int dim = -1) const;
  FloatNDArray cumsum (int dim = -1) const;
  FloatNDArray prod (int dim = -1) const;
  FloatNDArray sum (int dim = -1) const;  
       NDArray dsum (int dim = -1) const;  
  FloatNDArray sumsq (int dim = -1) const;
  FloatNDArray concat (const FloatNDArray& rb, const Array<octave_idx_type>& ra_idx);
  FloatComplexNDArray concat (const FloatComplexNDArray& rb, const Array<octave_idx_type>& ra_idx);
  charNDArray concat (const charNDArray& rb, const Array<octave_idx_type>& ra_idx);

  FloatNDArray max (int dim = 0) const;
  FloatNDArray max (Array<octave_idx_type>& index, int dim = 0) const;
  FloatNDArray min (int dim = 0) const;
  FloatNDArray min (Array<octave_idx_type>& index, int dim = 0) const;
  
  FloatNDArray cummax (int dim = 0) const;
  FloatNDArray cummax (Array<octave_idx_type>& index, int dim = 0) const;
  FloatNDArray cummin (int dim = 0) const;
  FloatNDArray cummin (Array<octave_idx_type>& index, int dim = 0) const;

  FloatNDArray diff (octave_idx_type order = 1, int dim = 0) const;

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

  FloatNDArray abs (void) const;
  boolNDArray isnan (void) const;
  boolNDArray isinf (void) const;
  boolNDArray isfinite (void) const;

  FloatComplexNDArray fourier (int dim = 1) const;
  FloatComplexNDArray ifourier (int dim = 1) const;

  FloatComplexNDArray fourier2d (void) const;
  FloatComplexNDArray ifourier2d (void) const;

  FloatComplexNDArray fourierNd (void) const;
  FloatComplexNDArray ifourierNd (void) const;

  friend OCTAVE_API FloatNDArray real (const FloatComplexNDArray& a);
  friend OCTAVE_API FloatNDArray imag (const FloatComplexNDArray& a);

  friend class FloatComplexNDArray;

  FloatMatrix matrix_value (void) const;

  FloatNDArray squeeze (void) const { return MArrayN<float>::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 OCTAVE_API std::ostream& operator << (std::ostream& os, const FloatNDArray& a);
  friend OCTAVE_API std::istream& operator >> (std::istream& is, FloatNDArray& a);

  static float resize_fill_value (void) { return 0; }

  FloatNDArray diag (octave_idx_type k = 0) const;

  FloatNDArray& changesign (void) 
    { 
      MArrayN<float>::changesign (); 
      return *this; 
    }

  typedef float (*dmapper) (float);
  typedef FloatComplex (*cmapper) (const FloatComplex&);
  typedef bool (*bmapper) (float);

  FloatNDArray map (dmapper fcn) const;
  FloatComplexNDArray map (cmapper fcn) const;
  boolNDArray map (bmapper fcn) const;

private:

  FloatNDArray (float *d, const dim_vector& dv) : MArrayN<float> (d, dv) { }
};

// Publish externally used friend functions.

extern OCTAVE_API FloatNDArray real (const FloatComplexNDArray& a);
extern OCTAVE_API FloatNDArray imag (const FloatComplexNDArray& a);

extern OCTAVE_API FloatNDArray min (float d, const FloatNDArray& m);
extern OCTAVE_API FloatNDArray min (const FloatNDArray& m, float d);
extern OCTAVE_API FloatNDArray min (const FloatNDArray& a, const FloatNDArray& b);

extern OCTAVE_API FloatNDArray max (float d, const FloatNDArray& m);
extern OCTAVE_API FloatNDArray max (const FloatNDArray& m, float d);
extern OCTAVE_API FloatNDArray max (const FloatNDArray& a, const FloatNDArray& b);

NDS_CMP_OP_DECLS (FloatNDArray, float, OCTAVE_API)
NDS_BOOL_OP_DECLS (FloatNDArray, float, OCTAVE_API)

SND_CMP_OP_DECLS (float, FloatNDArray, OCTAVE_API)
SND_BOOL_OP_DECLS (float, FloatNDArray, OCTAVE_API)

NDND_CMP_OP_DECLS (FloatNDArray, FloatNDArray, OCTAVE_API)
NDND_BOOL_OP_DECLS (FloatNDArray, FloatNDArray, OCTAVE_API)

MARRAY_FORWARD_DEFS (MArrayN, FloatNDArray, float)

#endif

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