File mttroot/mtt/bin/trans/mtt_header artifact 768dfbfc37 part of check-in 5715df0191

#!/bin/sh
     ###################################### 
     ##### Model Transformation Tools #####
     ######################################

# Bourne shell script: mtt_header
# Headings for functions
# Copyright (C) 2000 by Peter J. Gawthrop

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.4  2000/10/14 06:49:31  peterg
## Make parameter listing representation dependent
##
## Revision 1.3  2000/10/11 08:59:15  peterg
## Added csex rep
##
## Revision 1.2  2000/10/11 08:01:42  peterg
## Added noglobal fudge
##
## Revision 1.1  2000/10/10 21:02:27  peterg
## Initial revision
##
###############################################################

# Arguments
system=$1
rep=$2
language=$3
#args=$4
#output=$5
#extras=$6

# 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
Npar=`wc -l $system\_sympar.txt | awk '{print $1}'`

# Representation-specific stuff

eqnargs='mttx,mttu,mttt,mttpar'
case $rep in
    cse)
	states=yes;
        inputs=yes;
	parameters=yes;
        output='mttedx,mtte'
        args=$eqnargs
	;;
    csex)
	states=yes;
        inputs=yes;
	parameters=yes;
        output=mttedx
        args=$eqnargs
	;;
    cseo)
	states=yes;
        inputs=yes;
	parameters=yes;
        output=mtty
        args=$eqnargs
	;;
    input)
	states=no;
	inputs=no;
	parameters=no;
        output=mttu
        args='x,y,t,par'
	;;
    numpar)
	states=no;
	inputs=no;
	parameters=no;
        output='mttpar'

	;;
    ode)
	states=yes;
        inputs=yes;
	parameters=yes;
        output='mttdx'
        args=$eqnargs
	;;
    odeo)
	states=yes;
        inputs=yes;
	parameters=yes;
        output='mtty'
        args=$eqnargs
	;;
    simpar)
	states=no;
	inputs=no;
	parameters=no;
        output=mttsimpar
	;;
    sm)
	states=no;
	inputs=no;
	parameters=yes;
        output='mtta,mttb,mttc,mttd'
        args=mttpar
	;;
    state)
	states=no;
	inputs=no;
	parameters=yes;
        output=mttx
        args=mttpar
	;;
    *)
	echo Representation $rep not supported - sorry; exit 1
esac

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


# Lanuage specific stuff
case $language in
    m)
	modeline='## -*-octave-*- Put Emacs into octave-mode ##';
	ext='m';
	Lc='##';
	Rc='';
	Lb='(';
	Rb=')';
	function="function"
	declaration="$Output$1_$rep$Args;"
	noglobals=true; # Fudge to make mtt_m2p work
        start='## BEGIN Code'
	;;
    *)
	echo Language $language not supported - sorry; exit 1
esac


# Header information
cat<<EOF
$function $declaration
$Lc $declaration
$Lc System $system, representation $rep, language $language; $Rc
$Lc File $1_$rep.$ext; $Rc
$Lc Generated by MTT on `date`; $Rc
EOF

if [ -n "$noglobals" ]; then
cat<<EOF

## Horrible fudge to make mtt_m2p work
global ...
mtt_no_globals ;
EOF
fi

# Mark start of code
echo
echo $start

# Parameters
if [ "$parameters" = "yes" ]; then
cat <<EOF

$Lc Parameters $Rc
EOF
sympar2par_txt2m $1 
fi
# States
if [ "$states" = "yes" ]; then
cat <<EOF

$Lc States $Rc
EOF
N=`n2m 1 $Nx`
for i in $N; do
    echo '  mttx'$i' = mttx('$i');'
done
fi

# Inputs
if [ "$inputs" = "yes" ]; then
cat <<EOF

$Lc Inputs $Rc
EOF

N=`n2m 1 $Nu`
for i in $N; do
    echo '  mttu'$i' = mttu('$i');'
done
fi