view liboctave/array/Sparse-C.cc @ 21220:d78e45987d6a

rename octave::build_env namespace from octave::config * build-env-features.sh: Rename from ocgt-conf-features.sh. Update for new names. * build-env.h: Rename from oct-conf.h. Also declare features function. * build-env.in.cc: Rename from oct-conf.in.cc. * oct-conf-features.h: Delete. * libinterp/module.mk: Update. * toplev.cc, __init_gnuplot__.cc, octave.cc: Update for new names.
author John W. Eaton <jwe@octave.org>
date Sun, 07 Feb 2016 14:56:17 -0500
parents f7121e111991
children 40de9f8f23a6
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/*

Copyright (C) 2004-2015 David Bateman
Copyright (C) 1998-2004 Andy Adler

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 Sparse matrix of complex values.

#include "oct-cmplx.h"
#include "lo-mappers.h"
#include "lo-ieee.h"
#include "Sparse.h"
#include "Sparse.cc"


static double
xabs (const Complex& x)
{
  return (xisinf (x.real ()) || xisinf (x.imag ())) ? octave_Inf : abs (x);
}


template <>
bool
sparse_ascending_compare<Complex> (const Complex& a, const Complex& b)
{
  return (xisnan (b) || (xabs (a) < xabs (b))
          || ((xabs (a) == xabs (b)) && (arg (a) < arg (b))));
}

template <>
bool
sparse_descending_compare<Complex> (const Complex& a, const Complex& b)
{
  return (xisnan (a) || (xabs (a) > xabs (b))
          || ((xabs (a) == xabs (b)) && (arg (a) > arg (b))));
}

INSTANTIATE_SPARSE (Complex, OCTAVE_API);

#if 0
template std::ostream& operator << (std::ostream&, const Sparse<Complex>&);
#endif