#!/bin/sh
# Generates function header for a computer language
# PJ Gawthrop May 1998
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.7 1999/01/20 22:19:21 peterg
## Puts emacs mode line at top of .m files
##
## Revision 1.6 1998/07/27 20:30:39 peterg
## Mods for dm rep - no globals ...
##
## Revision 1.5 1998/07/25 20:42:30 peterg
## No assignements for switch either
##
## Revision 1.4 1998/07/25 10:43:10 peterg
## No assignments of x or u if sm rep.
##
## Revision 1.3 1998/07/19 15:52:15 peterg
## Don't call the _input function - make it external from now on ...
##
## Revision 1.2 1998/05/24 12:47:39 peterg
## This still needs worjk doing for c generation!!
##
## Revision 1.1 1998/05/23 16:17:40 peterg
## Initial revision
##
###############################################################
# Set up the language specific stuff
system=$1
rep=$2
language=$3
args=$4
output=$5
extras=$6
case $language in
m)
modeline='% -*-octave-*- Put Emacs into octave-mode';
ext='m';
Lc='#';
Rc='#';
Lb='(';
Rb=')';
;;
c)
ext='c';
Lc='/*';
Rc='*/';
Lb='[';
Rb=']';
;;
java)
ext='java';
Lc='/*';
Rc='*/';
Lb='[';
Rb=']';
;;
*)
echo Language $language not supported - sorry; exit 1
esac
# Appropriate emacs mode line
cat <<EOF
$modeline
EOF
######### Octave (matlab) code
if [ "$language" = m ]; then
cat <<EOF
function $output = $1_$rep($args);
% $output = $1_$rep($args);
%System $system, representation $rep, language $language;
%File $1_$rep.$ext;
%Generated by MTT on `date`;
%
EOF
fi
######### c code
if [ "$language" = c ]; then
cat <<EOF
void $1_$rep() {
/*
System $system, representation $rep, language $language;
File $1_$rep.$ext;
Generated by MTT on `date`;
NB Arrays are be defined to be one larger than expected
- the 0 element is not used.
*/
EOF
# Declarations
$MATRIX -q <<EOF
%System structure
[nx,ny,nu,nz,nyz] = $1_def;
printf("$Lc Declare standard arrays $Rc\n");
printf(" extern double mtty[%i]; \t $Lc $1_ode output $Rc\n", ny+1);
printf(" extern double mttdx[%i]; \t $Lc $1_ode state derivative $Rc\n", nx+1);
printf(" extern double mttx[%i]; \t $Lc $1_ode state $Rc\n", nx+1);
printf(" extern double mttu[%i]; \t $Lc $1_ode input $Rc\n\n", nu+1);
printf("$Lc Dummy variable list $Rc\n");
printf(" double t0;\n\n");
printf("$Lc State variable list $Rc\n");
for i = 1:nx
printf(" double mttx%i;\n",i);
end;
printf("\n");
printf("$Lc State variable input list $Rc\n");
for i = 1:nu
printf(" double mttu%i;\n",i);
end;
printf("\n");
printf("$Lc Counter $Rc\n");
printf(" int i;\n");
printf("\n");
printf("$Lc Time $Rc\n");
printf(" double t;\n");
printf("\n");
EOF
fi
if [ "$language" = "java" ]; then
cat <<EOF
public class $1_ode{
/*
System $system, representation $rep, language $language;
File $1_$rep.$ext;
Generated by MTT on `date`;
*/
EOF
fi
# Any extra bits ..
if [ -n "$extras" ]; then
cat <<EOF
$Lc Extra bits here $Rc
$extras
EOF
fi
# Globals
sympar2global_txt2lang $1 $language
## if [ "$language" = "c" ] || [ "$language" = "m" ]; then
## if [ "$rep" != "sm" ]&&[ "$rep" != "dm" ]&&[ "$rep" != "switch" ]; then
## # Common part - ode (c and m)
## # Use octave for this bit - needs the definition file
## $MATRIX -q <<EOF
## %System structure
## [nx,ny,nu,nz,nyz] = $1_def;
##
## printf("$Lc====== Set up the state variables ======$Rc\n");
## for i = 1:nx
## printf(" mttx%i = mttx$Lb%i$Rb;\n",i,i);
## end;
## printf("\n");
##
## printf("$Lc====== Set up the input variables ======$Rc\n");
## for i = 1:nu
## printf(" mttu%i = mttu$Lb%i$Rb;\n",i,i);
## end;
## printf("\n");
##
## EOF
## fi
## fi
## #if [ "$language" = "java" ]; then
#$MATRIX -q <<EOF
# printf("JAVA\n");
#EOF
#fi