#! /bin/sh

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

# Bourne shell script: csm2sm_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, 1996

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.2  1996/08/25 10:11:32  peter
## Added END in output file.
## Error handling.
##
## Revision 1.1  1996/08/19 15:06:16  peter
## Initial revision
##
###############################################################

# Inform user
echo Creating $1_sm.r

# Remove the old log file
rm -f csm2sm_r.log

# Use reduce to accomplish the transformation
reduce >csm2sm_r.log << EOF

in "$1_def.r";
in "$1_csm.r";
in "$1_cr.r";
in "$1_sympar.r";

OFF Echo;
OFF Nat;

% Find MTTA and MTTB : the A and B matrices

MTTinvE := MTTE^(-1);
MTTA := MTTinvE*MTTA;
MTTB := MTTinvE*MTTB;


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

%Write out the matrices.
IF MTTNx>0 THEN
BEGIN
  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_sm.r";
quit;

EOF

# Now invoke the standard error handling.
mtt_error_r csm2sm_r.log