#! /bin/sh

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

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## 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
## Removed operation form loop.
##
## Revision 1.50  2001/02/18 09:18:49  geraint
## Removed temporary Matrices from mtt_implicit.cc
##
## Revision 1.49  2001/02/14 06:06:34  geraint
## Removed octave_value_list wrappers from standalone.exe - speed improvements
##
## Revision 1.48  2001/02/11 07:08:59  geraint

    vector_value=vector_value
    feval_header=toplev.h
fi

cat <<EOF  > $filename
#include <octave/oct.h>
#include <octave/ov-struct.h>
#include <octave/load-save.h>
#include <octave/lo-mappers.h>
#include <octave/variables.h>

#ifndef STANDALONE
#include <octave/${feval_header}>
#endif

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

#ifdef STANDALONE
#include <csignal>

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

	ColumnVector &par);

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

extern ColumnVector F${sys}_numpar (
	void);

extern Octave_map F${sys}_simpar (
     	void);

extern ColumnVector F${sys}_state (
	ColumnVector &x);

extern ColumnVector F${sys}_${ode} (
	ColumnVector &x,
	ColumnVector &u,
	const double &t,
	ColumnVector &par);

extern ColumnVector F${sys}_${odeo} (
	ColumnVector &x,
	ColumnVector &u,
	const double &t,
	ColumnVector &par);

EOF
if [ "$method" != "implicit" ]; then
cat <<EOF >> $filename
extern ColumnVector Fmtt_euler (
	ColumnVector &x,
	const ColumnVector &dx,
	const double &ddt,
	const int &nx,
	const ColumnVector &open_switches);
 
EOF
else
cat <<EOF >> $filename
extern ColumnVector Fmtt_implicit (
	ColumnVector &x,
	ColumnVector &dx,
	Matrix &AA,
	ColumnVector &AAx,

	const double &ddt,
	const int &nx,
	const ColumnVector &open_switches);

extern Matrix F${sys}_smxa (
	ColumnVector &x,
	ColumnVector &u,
	const double &t,
	ColumnVector &par);

extern ColumnVector F${sys}_smxax (
	ColumnVector &x,
	ColumnVector &u,
	const double &t,
	ColumnVector &par);
 
EOF
fi
cat <<EOF >> $filename
#endif // STANDALONE


inline ColumnVector
mtt_input (ColumnVector &x,
	   ColumnVector &y,
	   const double &t,
	   ColumnVector &par)
{
#ifdef STANDALONE
  return F${sys}_input (x, y, t, par);
#else
  static octave_value_list args, f;
  args (0) = octave_value (x);
  args (1) = octave_value (y);
  args (2) = octave_value (t);
  args (3) = octave_value (par);
  f = feval ("${sys}_input", args, 1);
  return f(0).${vector_value} ();
#endif
}

inline ColumnVector
mtt_logic (ColumnVector &x,
	   ColumnVector &u,
	   const double &t,
	   ColumnVector &par)
{
#ifdef STANDALONE
  return F${sys}_logic (x, u, t, par);
#else
  static octave_value_list args, f;
  args (0) = octave_value (x);
  args (1) = octave_value (u);
  args (2) = octave_value (t);
  args (3) = octave_value (par);
  f = feval ("${sys}_logic", args, 1);
  return f(0).${vector_value} ();
#endif
}

inline ColumnVector
mtt_numpar (void)
{
#ifdef STANDALONE
  return F${sys}_numpar ();
#else
  static octave_value_list args, f;
  f = feval ("${sys}_numpar", args, 1);
  return f(0).${vector_value} ();
#endif
}

inline Octave_map
mtt_simpar (void)
{
#ifdef STANDALONE
  return F${sys}_simpar ();
#else
  static octave_value_list args;
  static Octave_map f;
  f["first"]		= feval ("${sys}_simpar", args, 1)(0).map_value ()["first"];
  f["dt"]		= feval ("${sys}_simpar", args, 1)(0).map_value ()["dt"];
  f["last"]		= feval ("${sys}_simpar", args, 1)(0).map_value ()["last"];
  f["stepfactor"]     	= feval ("${sys}_simpar", args, 1)(0).map_value ()["stepfactor"];
  f["wmin"]		= feval ("${sys}_simpar", args, 1)(0).map_value ()["wmin"];
  f["wmax"]		= feval ("${sys}_simpar", args, 1)(0).map_value ()["wmax"];
  f["wsteps"]		= feval ("${sys}_simpar", args, 1)(0).map_value ()["wsteps"];
  f["input"]		= feval ("${sys}_simpar", args, 1)(0).map_value ()["input"];
  return (f);
#endif
}

inline ColumnVector
mtt_state (ColumnVector &x)
{
#ifdef STANDALONE
  return F${sys}_state (x);
#else
  static octave_value_list args, f;
  args (0) = octave_value (x);
  f = feval ("${sys}_state", args, 1);
  return f(0).${vector_value} ();
#endif
}

inline ColumnVector
mtt_${ode} (ColumnVector &x,
	    ColumnVector &u,
	    const double &t,
	    ColumnVector &par)
{

  args (2) = octave_value (t);
  args (3) = octave_value (par);
  f = feval ("${sys}_${odeo}", args, 1);
  return f(0).${vector_value} ();
#endif
}

EOF
if [ "$method" != "implicit" ];then
cat <<EOF >> $filename
inline ColumnVector
mtt_euler (ColumnVector &x,
	   const ColumnVector &dx,
	   const double &ddt,
	   const int &nx,
	   const ColumnVector &open_switches)
{
#ifdef STANDALONE
  return Fmtt_euler (x, dx, ddt, nx, open_switches);
#else
  static octave_value_list args, f;
  args (0) = octave_value (x);
  args (1) = octave_value (dx);
  args (2) = octave_value (ddt);
  args (3) = octave_value ((double)nx);
  args (4) = octave_value (open_switches);
  f = feval ("mtt_euler", args, 1);
  return f(0).${vector_value} ();
#endif
}

EOF
else
cat <<EOF >> $filename
inline ColumnVector
mtt_implicit (ColumnVector &x,
	      ColumnVector &dx,
	      Matrix &AA,
	      ColumnVector &AAx,
	      const double &ddt,
	      const int &nx,

  args (5) = octave_value ((double)nx);
  args (6) = octave_value (open_switches);
  f = feval ("mtt_implicit", args, 1);
  return f(0).${vector_value} ();
#endif
}









































































inline Matrix
mtt_smxa (ColumnVector &x,
	  ColumnVector &u,
	  const double &t,
	  ColumnVector &par)
{
#ifdef STANDALONE

  args (2) = octave_value (t);
  args (3) = octave_value (par);
  f = feval ("${sys}_smxax", args, 1);
  return f(0).${vector_value} ();
#endif
}













EOF
















fi

cat <<EOF >> $filename

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

  if (aborting)
    {
       Matrix written_data = data.extract (0, 0, row-1, data.cols ()-1);
       save_ascii_data_for_plotting (cout, 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");
//    cout << data << endl;
#else // ! STANDALONE
  set_global_value ("MTT_data", data);
#endif
    }
}

#ifdef STANDALONE
void handle_sigfpe (int i)
#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 ();
}

int main (void) {
  signal (SIGFPE, handle_sigfpe);
#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;
#endif // STANDALONE
  static ColumnVector	x;
  static ColumnVector	par;

  static ColumnVector	open_switches (MTTNX);

  register double t	= 0.0;

  const double	ddt	= dt / stepfactor;
  const int	ilast	= static_cast<int> (round ((last - first) / ddt)) + 1;
  const int	nrows	= static_cast<int> (round ((last - first) / dt)) + 1;

  for (register int i = 0; i < MTTNU; i++)
    {
      u (i) = 0.0;
    }

  for (register int j = 0, i = 1; i <= ilast; i++)
    {
      y	= mtt_${odeo} (x, u, t, par);
      u	= mtt_input (x, y, t, par);
      if (0 == j)
	{