/*

Copyright (C) 2017 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 (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include "lo-error.h"
#include "oct-sparse.h"

#if (defined (HAVE_AMD) || defined (HAVE_CCOLAMD)               \
     || defined (HAVE_CHOLMOD) || defined (HAVE_COLAMD)         \
     || defined (HAVE_CXSPARSE) || defined (HAVE_UMFPACK))

static inline void
check_suitesparse_integer_size (void)
{
  // FIXME: maybe it would be better to make this a configure check and
  // disable suitesparse if it fails?

  if (sizeof (octave::suitesparse_integer) != sizeof (octave_idx_type))
    (*current_liboctave_error_handler)
      ("size of suitesparse integer does not match octave_idx_type!");
}

namespace octave
{
  suitesparse_integer *
  to_suitesparse_intptr (octave_idx_type *i)
  {
    check_suitesparse_integer_size ();

    return reinterpret_cast<suitesparse_integer *> (i);
  }

  const suitesparse_integer *
  to_suitesparse_intptr (const octave_idx_type *i)
  {
    check_suitesparse_integer_size ();

    return reinterpret_cast<const suitesparse_integer *> (i);
  }

  octave_idx_type*
  to_octave_idx_type_ptr (suitesparse_integer *i)
  {
    check_suitesparse_integer_size ();

    return reinterpret_cast<octave_idx_type *> (i);
  }

  const octave_idx_type*
  to_octave_idx_type_ptr (const suitesparse_integer *i)
  {
    check_suitesparse_integer_size ();

    return reinterpret_cast<const octave_idx_type *> (i);
  }
}

#endif