# Copyright (C) 2000 by Peter J. Gawthrop

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.30  2001/03/30 15:13:58  gawthrop
## Rationalised simulation modes to each return mtt_data
##
## Revision 1.29  2001/03/27 13:10:23  geraint
## Improved determination of Octave version.
##
## Revision 1.28  2001/02/17 03:48:17  geraint
## Use assignment LHS to gather tmp variable names.
## Prevents collection of long expressions, eg: tmp34*(tmp75
##

###############################################################

# Arguments
system=$1
rep=$2
language=$3
fun_name=${1}_${2}

other=$4 # Anything else eg stdin

if [ -z "$system" ]; then
  echo 'Usage: mtt_header sys rep lang [stdin]'
  exit
fi

# Find system constants
Nx=`mtt_getsize $system x` # States
Nxx=`mtt_getsize $system xx` # States x States
Nu=`mtt_getsize $system u` # Inputs 
Ny=`mtt_getsize $system y` # Outputs 
Nyz=`mtt_getsize $system yz` # Zero outputs

	inputs=no;
	parameters=yes;
        output='mtta,mttb,mttc,mttd,mtte'
        args=mttpar
        zeromatrices='a b c d e';
	;;
   input)

	inputs=no;

        output=mttu
        args=$inputeqnargs
        if [ "$other" = "stdin" ]; then
	  states=no;
	  parameters=no;
          declareinputs=no;
        else
	  states=yes;
	  parameters=yes;
          declareinputs=yes
        fi
	;;
    logic)
	states=no;
	inputs=no;
	parameters=yes;
        output=mttopen
        args=$eqnargs

	states=no;
	inputs=no;
	parameters=yes;
        output=mttx
        args=mttpar
        declarestates=yes
	;;
    ssim)
	states=no;
        inputs=no;
	parameters=no;
        output='y,y_par'
        args='x0,par,simpar,u,index'
	;;
    *)
	echo Representation $rep not supported - sorry; exit 1
esac

## Sort out parentheses
if [ -n "$args" ]; then
    Args='('$args')'

    m)
	Lc='##';
	Rc='';
	Lb='(';
	Rb=')';
	function="function"
	declaration="$Output$1_$rep$Args;"
        if [ "$other" != "stdin" ]; then
	  noglobals=true; # Fudge to make mtt_m2p work
        fi     
        start='## BEGIN Code'
        finish='## END Code'
        var_declaration=
        declarestates=no
        declareinputs=no
	declareswitches=no
	;;