/*

Copyright (C) 1994, 1995, 1996, 1997, 1998, 2001, 2003, 2004, 2005,
              2006, 2007 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/>.

*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

// Instantiate Arrays of FloatComplex values.

#include "oct-cmplx.h"
#include "lo-mappers.h"

#include "Array.h"
#include "Array.cc"
#include "oct-sort.cc"

template <>
inline bool _sort_isnan (FloatComplex x)
{
  return xisnan (x);
}

template <>
bool
octave_sort<FloatComplex>::ascending_compare (FloatComplex a, FloatComplex b)
{
  return ((std::abs (a) < std::abs (b))
	  || ((std::abs (a) == std::abs (b)) && (arg (a) < arg (b))));
}

template <>
bool
octave_sort<FloatComplex>::descending_compare (FloatComplex a, FloatComplex b)
{
  return ((std::abs (a) > std::abs (b))
	  || ((std::abs (a) == std::abs (b)) && (arg (a) > arg (b))));
}

static bool nan_ascending_compare (FloatComplex x, FloatComplex y)
{
  return xisnan (y) ? ! xisnan (x) : ((std::abs (x) < std::abs (x))
	  || ((std::abs (x) == std::abs (x)) && (arg (x) < arg (x))));
}

static bool nan_descending_compare (FloatComplex x, FloatComplex y)
{
  return xisnan (x) ? ! xisnan (y) : ((std::abs (x) > std::abs (x))
	  || ((std::abs (x) == std::abs (x)) && (arg (x) > arg (x))));
}

bool (*_sortrows_comparator (sortmode mode, 
                             const Array<FloatComplex>& a , bool allow_chk)) 
(FloatComplex, FloatComplex)
{
  bool (*result) (FloatComplex, FloatComplex) = 0;

  if (allow_chk)
    {
      octave_idx_type k = 0;
      for (; k < a.numel () && ! xisnan (a(k)); k++) ;
      if (k == a.numel ())
        {
          if (mode == ASCENDING)
            result = octave_sort<FloatComplex>::ascending_compare;
          else if (mode == DESCENDING)
            result = octave_sort<FloatComplex>::descending_compare;
        }
    }

  if (! result)
    {
      if (mode == ASCENDING)
        result = nan_ascending_compare;
      else if (mode == DESCENDING)
        result = nan_descending_compare;
    }

  return result;
}

INSTANTIATE_ARRAY_SORT (FloatComplex);

INSTANTIATE_ARRAY (FloatComplex, OCTAVE_API);

#include "Array2.h"

template class OCTAVE_API Array2<FloatComplex>;

#include "ArrayN.h"
#include "ArrayN.cc"

template class OCTAVE_API ArrayN<FloatComplex>;

template OCTAVE_API std::ostream& operator << (std::ostream&, const ArrayN<FloatComplex>&);

#include "DiagArray2.h"
#include "DiagArray2.cc"

template class OCTAVE_API DiagArray2<FloatComplex>;

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