# Copyright (c) P.J.Gawthrop 1998

###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.36  1999/11/29 06:49:26  peterg
## Upped number of mtt_tnn
##
## Revision 1.35  1999/11/15 22:47:17  peterg
## Generates method-specific code for the ode2odeso rep.
##
## Revision 1.34  1999/10/28 05:08:48  peterg
## Added elseif
##
## Revision 1.33  1999/09/17 04:25:01  peterg

Sys_rep="$Sys""_""$rep"
Sys_smx="$Sys""_smx"
Sys_smxp="$Sys""_smx.p"
Filename="$Sys""_""$rep.p"
filename="$sys""_""$rep.p"

Method=$2; # The integration method
Stdin=$3;  # Using standard input

# Inform user
if [ -z "$Method" ]; then
if [ -n "$Method" ]; then
  echo Creating $Filename 
else
  echo Creating $Filename with $Method integration method 
  MethodBlurb=" with $Method integration method"
fi

if [ -n "$Stdin" ]; then
   StdinBlurb=" using standard input"
fi

# Inform user
  echo Creating $Filename $MethodBlurb $StdinBlurb 

# Find system constants
Nx=`mtt_getsize $Sys x` # States
Nu=`mtt_getsize $Sys u` # Inputs 
Ny=`mtt_getsize $Sys y` # Inputs 
Nx=`grep "MTTNx " <$Sys\_def.r | awk '{print $3}' | sed 's/;//'`
Npar=`wc -l $Sys\_sympar.txt | awk '{print $1}'`
Nu=`grep "MTTNu " <$Sys\_def.r | awk '{print $3}' | sed 's/;//'`
Ny=`grep "MTTNy " <$Sys\_def.r | awk '{print $3}' | sed 's/;//'`

#if [ "$rep" = "simpar" ]; then
#    mtt -q $Sys smx p
#fi

# Heading
(case $rep in
    state)
        echo "PROCEDURE $Sys_rep(VAR mttx : StateVector);"
        ;;
    input)
        echo "PROCEDURE $Sys_rep(VAR mttu : InputVector;"
	echo "                       mttt : REAL;"
	echo "                       mttx : StateVector;"
	echo "                       mtty : OutputVector);"
	;;
    ode)
	echo "PROCEDURE $Sys_rep(VAR mttdx: StateVector;"
	echo "                       mttx : StateVector;"
	echo "                       mttu : InputVector;"
	echo "                       mttt : REAL;"
	echo "                       mttt : REAL);"
	echo "                       mttpar : ParameterVector);"
	;;
    odeo)
	echo "PROCEDURE $Sys_rep(VAR mtty : OutputVector;"
	echo "                       mttx : StateVector;"
	echo "                       mttu : InputVector;"
	echo "                       mttt : REAL;"
	echo "                       mttt : REAL);"
	echo "                       mttpar : ParameterVector);"
	;;
    cse)
	echo "PROCEDURE $Sys_rep(VAR mttdx: StateVector;"
	echo "                       mttx : StateVector;"
	echo "                       mttu : InputVector;"
	echo "                       mttt : REAL;"
	echo "                       mttt : REAL);"
	echo "                       mttpar : ParameterVector);"
	;;
    cseo)
	echo "PROCEDURE $Sys_rep(VAR mtty : OutputVector;"
	echo "                       mttx : StateVector;"
	echo "                       mttu : InputVector;"
	echo "                       mttt : REAL;"
	echo "                       mttt : REAL);"
	echo "                       mttpar : ParameterVector);"

	;;
    smx)
	echo "PROCEDURE $Sys_rep(VAR mtta       : StateMatrix;"
	echo "                   VAR mttax,mttx : StateVector;"
	echo "                   VAR mttu       : InputVector;"
	echo "                       mttdt      : REAL);"
	;;
    ode2odes)
	echo "PROGRAM $Sys_rep;"
	echo "CONST"
	echo "    MTT_MaxParameters = 100;"
	echo "TYPE"
	echo "    StateVector  = ARRAY[1..$Nx] OF REAL;"
	echo "    InputVector  = ARRAY[1..$Nu] OF REAL;"
	echo "    OutputVector = ARRAY[1..$Ny] OF REAL;"
	echo "    ParameterVector = ARRAY[1..$Npar] OF REAL;"
	echo "    StateMatrix  = ARRAY[1..$Nx,1..$Nx] OF REAL;"
	echo "    glnparray    = StateVector;"
	echo "    glmparray    = StateVector;"
	echo "    glnarray     = StateVector;"
	echo "    glnpbynp     = StateMatrix;"
	echo "    glmpbynp     = StateMatrix;"
	## echo "    IntegrationMethod = 1..4;"
	echo ""
	echo "VAR"
        echo "    MTTt,mttLAST,mttDT,mttDDT   : REAL;"
        echo "    MTTWMIN,mttWMAX             : REAL;"
	echo "    mttx,mttdx,mttxx,mttAAx     : StateVector;"
	echo "    mttu                        : InputVector;"
	echo "    mtty                        : OutputVector;"
	echo "    mttpar                      : ParameterVector;"
	echo "    mttAA, mttE                 : StateMatrix;"
	echo "    MTTi,MTTj,MTTit,MTTjt,MTTiLast: INTEGER;"
	echo "    mttSTEPFACTOR,mttWSTEPS,mttSTEPS,mttINPUT : INTEGER;"
	## echo "    mttMETHOD : IntegrationMethod;"
	echo "    MTTopen  : StateVector;"
	echo "    mtt_parameters  : ARRAY[1..MTT_MaxParameters] OF REAL;"
	echo "    mtt_n_parameters  : INTEGER;"

      else {
        if ($1=="if") {
          sub(/==/, "=", $0)
            gsub(/&&/," AND ",$0)
            gsub(/\|\|/," OR ",$0)
          printf("%s THEN BEGIN\n", $0)
        }
        else{ 
        else { 
          if ((match($1,"mtt_write")>0)&&(length(Stdin)>0)) {
           sub(/mtt_write/, "if NOT eof THEN mtt_write");
          }
          if ($1=="for"){
            if (($2=="MTTit")&&(length(Stdin)>0)){
	      printf("WHILE NOT eof DO BEGIN {Integration loop}")
            }
            else {
          sub(/:/," TO ",$0)
          sub(/=/,":=",$0)
          printf("%s DO BEGIN\n", $0) 
              sub(/:/," TO ",$0)
              sub(/=/,":=",$0)
              printf("%s DO BEGIN\n", $0)
            } 
          }
          else{
            sub(/=/,":=",$0)
            sub(/endif/,"END;{IF}",$0)
            sub(/endfor/,"END;{FOR}",$0)
            sub(/elseif/,"END ELSEIF BEGIN",$0)
            sub(/else/,"END ELSE BEGIN",$0)

    printf("IMPLICIT = 3;\n")
    }
    else
      if (rep=="ode2odes")
                printf("END{%s}.\n", Sys_rep)
      else
        printf("END{%s};\n", Sys_rep)
}' Sys=$Sys sys=$sys Sys_rep=$Sys_rep rep=$rep Nx=$Nx Nu=$Nu Ny=$Ny Method=$Method|\
}' Sys=$Sys sys=$sys Sys_rep=$Sys_rep rep=$rep \
   Nx=$Nx Nu=$Nu Ny=$Ny Method=$Method Stdin=$Stdin |\
sed 's/(\([ijk0-9,]*\))/\[\1\]/g'    |\
sed 's/(\(MTT[ijk0-9],[0-9]*\))/\[\1\]/g' |\
sed 's/(\([0-9]*,MTT[ijk0-9]\))/\[\1\]/g' |\
sed 's/(\(MTT[ijk0-9],MTT[ijk0-9]\))/\[\1\]/g' |\
sed 's/(\(MTT[ijk0-9,]*\))/\[\1\]/g'  |\
sed 's/switcha(mttAA,/switcha(/g'   |\
sed 's/switch(MTTx,/switch(/g'  \