view liboctave/CNDArray.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 d91fa4b20bbb
children a48fba01e4ac
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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_ComplexNDArray_h)
#define octave_ComplexNDArray_h 1

#include "MArrayN.h"
#include "CMatrix.h"

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

class
OCTAVE_API
ComplexNDArray : public MArrayN<Complex>
{
public:

  ComplexNDArray (void) : MArrayN<Complex> () { }

  ComplexNDArray (const dim_vector& dv) : MArrayN<Complex> (dv) { }

  ComplexNDArray (const dim_vector& dv, const Complex& val)
    : MArrayN<Complex> (dv, val) { }
  
  ComplexNDArray (const ComplexNDArray& a) : MArrayN<Complex> (a) { }

  ComplexNDArray (const ComplexMatrix& a) : MArrayN<Complex> (a) { }

  template <class U>
  ComplexNDArray (const MArrayN<U>& a) : MArrayN<Complex> (a) { }

  template <class U>
  ComplexNDArray (const ArrayN<U>& a) : MArrayN<Complex> (a) { }

  ComplexNDArray (const charNDArray&); 

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

  // unary operations

  boolNDArray operator ! (void) const;

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

  bool any_element_is_nan (void) const;
  bool any_element_is_inf_or_nan (void) const;
  bool all_elements_are_real (void) const;
  bool all_integers (double& max_val, double& min_val) const;
  bool too_large_for_float (void) const;

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

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

  ComplexNDArray max (int dim = 0) const;
  ComplexNDArray max (ArrayN<octave_idx_type>& index, int dim = 0) const;
  ComplexNDArray min (int dim = 0) const;
  ComplexNDArray min (ArrayN<octave_idx_type>& index, int dim = 0) const;

  ComplexNDArray cummax (int dim = 0) const;
  ComplexNDArray cummax (ArrayN<octave_idx_type>& index, int dim = 0) const;
  ComplexNDArray cummin (int dim = 0) const;
  ComplexNDArray cummin (ArrayN<octave_idx_type>& index, int dim = 0) const;

  ComplexNDArray& insert (const NDArray& a, octave_idx_type r, octave_idx_type c);
  ComplexNDArray& insert (const ComplexNDArray& a, octave_idx_type r, octave_idx_type c);
  ComplexNDArray& insert (const ComplexNDArray& a, const Array<octave_idx_type>& ra_idx);
  
  NDArray abs (void) const;

  friend ComplexNDArray conj (const ComplexNDArray& a);

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

  ComplexNDArray fourier2d (void) const;
  ComplexNDArray ifourier2d (void) const;

  ComplexNDArray fourierNd (void) const;
  ComplexNDArray ifourierNd (void) const;

  ComplexMatrix matrix_value (void) const;

  ComplexNDArray squeeze (void) const { return MArrayN<Complex>::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 ComplexNDArray& a);
  friend OCTAVE_API std::istream& operator >> (std::istream& is, ComplexNDArray& a);

  static Complex resize_fill_value (void) { return Complex (0.0, 0.0); }

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

  ComplexNDArray diag (octave_idx_type k = 0) const;

  typedef double (*dmapper) (const Complex&);
  typedef Complex (*cmapper) (const Complex&);
  typedef bool (*bmapper) (const Complex&);

  NDArray map (dmapper fcn) const;
  ComplexNDArray map (cmapper fcn) const;
  boolNDArray map (bmapper fcn) const;

private:

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

extern OCTAVE_API ComplexNDArray conj (const ComplexNDArray& a);

extern OCTAVE_API ComplexNDArray min (const Complex& c, const ComplexNDArray& m);
extern OCTAVE_API ComplexNDArray min (const ComplexNDArray& m, const Complex& c);
extern OCTAVE_API ComplexNDArray min (const ComplexNDArray& a, const ComplexNDArray& b);

extern OCTAVE_API ComplexNDArray max (const Complex& c, const ComplexNDArray& m);
extern OCTAVE_API ComplexNDArray max (const ComplexNDArray& m, const Complex& c);
extern OCTAVE_API ComplexNDArray max (const ComplexNDArray& a, const ComplexNDArray& b);

NDS_CMP_OP_DECLS (ComplexNDArray, Complex, OCTAVE_API)
NDS_BOOL_OP_DECLS (ComplexNDArray, Complex, OCTAVE_API)

SND_CMP_OP_DECLS (Complex, ComplexNDArray, OCTAVE_API)
SND_BOOL_OP_DECLS (Complex, ComplexNDArray, OCTAVE_API)

NDND_CMP_OP_DECLS (ComplexNDArray, ComplexNDArray, OCTAVE_API)
NDND_BOOL_OP_DECLS (ComplexNDArray, ComplexNDArray, OCTAVE_API)

MARRAY_FORWARD_DEFS (MArrayN, ComplexNDArray, Complex)

#endif

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