File mttroot/mtt/bin/trans/ode2smx_lang artifact fbf00dafe0 part of check-in 631107f592

#! /bin/sh

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

# Bourne shell script: ode2smx_lang
# ODE to state matrix (with explicit state values) conversion
# P.J.Gawthrop  6th September 1991, May 1994, July 1998
# Copyright (c) P.J.Gawthrop, 1991, 1994, 1998

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.3  1998/07/30 10:49:55  peterg
## Removed zeroing.
##
## Revision 1.2  1998/07/30 10:49:02  peterg
## Put [] round output of zeros.
##
## Revision 1.1  1998/07/19 16:59:56  peterg
## Initial revision
##
###############################################################

# Language
if [ -n "$2" ]; then
    lang=$2
else
    lang="r"
fi


# Inform user
echo Creating $1_smx.$lang

# Remove the old log file
rm -f ode2smx_r.log


# Use reduce to accomplish the transformation
reduce << EOF  >ode2smx_lang.log

lang := $lang;

in "$1_def.r";
in "$1_ode.r";

OFF Echo;

%Procedure to write out the result according to the language used.
PROCEDURE WriteElement(name, i, j, element);
BEGIN
  IF (element NEQ 0) THEN
  BEGIN
    IF (lang = r) THEN 
      write name, "(", i, ",", j, ") := ", element;

    IF (lang = m) THEN 
      write name, "[", i, ",", j, "] = ", element;

  END
END;

%Set up output according to the language.
 OFF NAT;
 OUT "$1_smx.$lang";

% Set up output according to the language.
    IF (lang = r) THEN 
    BEGIN
      write "matrix mtta(", mttnx, ",", mttnx, ");";    
      write "matrix mttb(", mttnx, ",", mttnu, ");";    
      write "matrix mttc(", mttny, ",", mttnx, ");";    
      write "matrix mttd(", mttny, ",", mttnu, ");";    
    END;

% find MTTA : the A matrix
  FOR j := 1:MTTNx DO
    BEGIN
    xj := MTTX(j,1);
    FOR i := 1:MTTNx DO
      WriteElement("mtta",i,j,df(MTTdx(i,1), xj, 1));
    END;

%% Find MTTB : the B matrix
%  FOR j := 1:MTTNu DO
%    BEGIN
%    uj := MTTU(j,1);
%    FOR i := 1:MTTNx DO
%      WriteElement("mttb",i,j,df(MTTdx(i,1), uj, 1));
%    END;
%
%% Find MTTC : the C matrix
%  FOR i := 1:MTTNy DO
%    FOR j := 1:MTTNx DO
%    BEGIN
%      xj := MTTX(j,1);
%      WriteElement("mttc",i,j,df(MTTY(i,1), xj, 1));
%    END;
%
%% Find MTTD : the D matrix
%  FOR i := 1:MTTNy DO
%    FOR j := 1:MTTNu DO
%    BEGIN
%      xj := MTTU(j,1);
%      WriteElement("mttd",i,j,df(MTTY(i,1), xj, 1));
%    END;

%Shut the  output according to the language.
 SHUT "$1_smx.$lang";

EOF

if [ "$lang" = "m" ]; then
  mv $1_smx.$lang  mtt_junk
  lang_header $1 smx m 'mttx,mttu' '[mtta]' > $1_smx.m
  cat mtt_junk | mtt_p2m >> $1_smx.m
  rm -f mtt_junk
fi

# Now invoke the standard error handling.
mtt_error_r ode2smx_lang.log