#! /bin/sh

     ###################################### 
     ##### Model Transformation Tools #####
    ######################################

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.51.2.3  2001/03/07 04:06:55  geraint
## Irix: catch SIGFPE and write data before aborting (.exe).
## GNU/Linux: nada.
##
## Revision 1.51.2.2  2001/03/02 00:45:21  geraint
## Separated Euler and Implicit methods in .cc code and dependencies.
##
## Revision 1.51.2.1  2001/03/01 05:05:53  geraint
## Minor revisions.
##
## Revision 1.51  2001/02/19 06:33:19  geraint

#endif

#include "${sys}_def.h"
#include "${sys}_sympar.h"

#ifdef STANDALONE
#include <csignal>
#include <fstream>

extern ColumnVector F${sys}_input (
	ColumnVector &x,
	ColumnVector &y,
	const double &t,
	ColumnVector &par);

cat <<EOF >> $filename

inline void
mtt_write (const double &t,
	   ColumnVector &x,
	   ColumnVector &y,
	   const int &nrows,
	   const bool aborting = false)
	   const bool dump_data = false,
	   ostream &file = cout)
{
  static Matrix data;
  static int row;

  if (aborting)
  if (dump_data)
    {
       Matrix written_data = data.extract (0, 0, row-1, data.cols ()-1);
       save_ascii_data_for_plotting (cout, written_data, "MTT_data");
       save_ascii_data_for_plotting (file, written_data, "MTT_data");
    }

  const int nx = x.length (), ny = y.length ();
  register int col = 0;

  if (0 == row)
    data = Matrix (nrows, 1+ny+1+nx, 0.0);

  data.elem (row, col) = t;
  for (register int i = 0; i < ny; i++)
    data.elem (row, ++col) = y.elem (i);
  data.elem (row, ++col) = t;
  for (register int i = 0; i < nx; i++)
    data.elem (row, ++col) = x.elem (i);

  row++;

  if (nrows == row)
    {
#ifdef STANDALONE
      save_ascii_data_for_plotting (cout, data, "MTT_data");
      save_ascii_data_for_plotting (file, data, "MTT_data");
//    cout << data << endl;
#else // ! STANDALONE
  set_global_value ("MTT_data", data);
#endif
    }
}

#ifdef STANDALONE
void handle_sigfpe (int i)
void dump_data (ostream &file)
#ifdef __GNUC__
__attribute__ ((noreturn));
void handle_sigfpe (int i)
#endif // __GNUC__
{
  ColumnVector null (0.0);
  cerr << "Error: Caught floating point exception ..." << endl
       << " ...   writing data to standard output ..." << endl;
  mtt_write (0.0, null, null, 0, true);
  cerr << " ...   aborting." << endl;
  abort ();
  mtt_write (0.0, null, null, 0, true, file);
}

void handle_signal (int signum)
{
  // handle some signals to ensure data is written.
  psignal (signum, "# Writing data to MTT.core");
  ofstream corefile ("MTT.core");
  dump_data (corefile);
  switch (signum)
    {
      case SIGFPE:
        // Intel chips do not raise SIGFPE for DIVZERO :-(
        raise (SIGABRT);
        break;
      case SIGINT:
        cerr << "# Continuing." << endl;
	break;
      case SIGQUIT:
        cerr << "# Quitting." << endl;
	signal (SIGQUIT, SIG_DFL);
	raise (SIGQUIT);
	break;
      default:
        cerr << "# Warning: make_ode2odes needs updating!" << endl;
	signal (signum, SIG_DFL);
	raise (signum);
        break;
    }
}

void set_signal_handlers (void)
{
  signal (SIGFPE,	handle_signal);
  signal (SIGINT,	handle_signal);
  signal (SIGQUIT,	handle_signal);
}

int main (void) {
  signal (SIGFPE, handle_sigfpe);
  set_signal_handlers ();
#else
DEFUN_DLD (${sys}_ode2odes, args, ,
"Octave ode2odes representation of system with $method integration method
Usage: ${sys}_ode2odes (x, par, simpar)
")
{
  static octave_value_list retval;