#! /bin/sh

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

# Bourne shell script: cse2csm_r
# Constrained-state equation to linear constrained-state matrices conversion
# P.J.Gawthrop  6th September 1991, May 1994
# Copyright (c) P.J.Gawthrop, 1991, 1994.

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.2  1998/07/13 09:56:31  peterg
## Back under RCS for major revision
##
# Revision 1.1  1996/08/25  10:13:37  peter
# Initial revision
#
###############################################################

# Inform user
echo Creating $1_$2.r

case $2 in
    csm)
	rep=cse;
	;;
    scsm)
	rep=scse;
	;;
    *)
	echo Representation must be csm or scsm;
        exit
esac
# Remove the old log file
rm -f cse2csm_r.log

# Use reduce to accomplish the transformation
reduce >cse2csm_r.log << EOF

in "$1_def.r";
in "$1_$rep.r";
in "$1_cr.r";
%%in "$1_sympar.r";

OFF Echo;
OFF Nat;

% Get rid of the old mttx and u - now use mkid instead
clear MTTx, MTTu;

% Find MTTA : the A matrix
matrix MTTA(MTTNx,MTTNx);

  FOR j := 1:MTTNx DO
    BEGIN
    %xj := MTTX(j,1);
    xj := mkid(MTTx,j);
    FOR i := 1:MTTNx DO
      MTTA(i,j) := df(MTTEdx(i,1), xj, 1);
    END;

% Find MTTB : the B matrix
matrix MTTB(MTTNx,MTTNu);

  FOR j := 1:MTTNu DO
    BEGIN
    %uj := MTTU(j,1);
    uj := mkid(MTTu,j);
    FOR i := 1:MTTNx DO
      MTTB(i,j) := df(MTTEdx(i,1), uj, 1);
    END;

% Find MTTC : the C matrix
matrix MTTC(MTTNy,MTTNx);

  FOR i := 1:MTTNy DO
    FOR j := 1:MTTNx DO
    BEGIN
      %xj := MTTX(j,1);
      xj := mkid(MTTx,j);
      MTTC(i,j) := df(MTTY(i,1), xj, 1);
    END;

% Find MTTD : the D matrix
matrix MTTD(MTTNy,MTTNu);

  FOR i := 1:MTTNy DO
    FOR j := 1:MTTNu DO
    BEGIN
      uj := MTTU(j,1);
      uj := mkid(MTTu,j);
      MTTD(i,j) := df(MTTY(i,1), uj, 1);
    END;

%Substitute the ss values
in "$1_sspar.r";

%Create the output file
OUT "$1_$2.r";

%Write out the matrices.
IF MTTNx>0 THEN
BEGIN
  write "matrix MTTE(", MTTNx, ",", MTTNx, ");";
  FOR i := 1:MTTNx DO
   FOR j := 1:MTTNx DO IF MTTE(i,j) NEQ 0 THEN
      write "MTTE(", i, ",", j, ") := ", MTTE(i,j);

  write "matrix MTTA(", MTTNx, ",", MTTNx, ");";
  FOR i := 1:MTTNx DO
   FOR j := 1:MTTNx DO IF MTTA(i,j) NEQ 0 THEN
      write "MTTA(", i, ",", j, ") := ", MTTA(i,j);
END;

IF MTTNx>0 THEN
IF MTTNu>0 THEN
BEGIN
  write "matrix MTTB(", MTTNx, ",", MTTNu, ");";
  FOR i := 1:MTTNx DO
   FOR j := 1:MTTNu DO IF MTTB(i,j) NEQ 0 THEN
      write "MTTB(", i, ",", j, ") := ", MTTB(i,j);
END;

%Write it out
IF MTTNy>0 THEN
IF MTTNx>0 THEN
BEGIN
  write "matrix MTTC(", MTTNy, ",", MTTNx, ");";
  FOR i := 1:MTTNy DO
    FOR j := 1:MTTNx DO IF MTTC(i,j) NEQ 0 THEN
      write "MTTC(", i, ",", j, ") := ", MTTC(i,j);
END;

IF MTTNy>0 THEN IF MTTNu>0 THEN 
BEGIN
  write "matrix MTTD(", MTTNy, ",", MTTNu, ");";
  FOR i := 1:MTTNy DO
    FOR j := 1:MTTNu DO IF MTTD(i,j) NEQ 0 THEN
      write "MTTD(", i, ",", j, ") := ", MTTD(i,j);
END;

write "END;";

SHUT "$1_$2.r";

EOF

# Now invoke the standard error handling.
mtt_error_r cse2csm_r.log
