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# Copyright (c) P.J.Gawthrop, 1991, 1994, 1998
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.6 1998/08/26 18:25:45 peterg
## SMX now generates both A and Ax
##
## Revision 1.5 1998/08/15 13:51:56 peterg
## smx is now I-Adt NOT A
##
## Revision 1.4 1998/08/13 09:03:35 peterg
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# Copyright (c) P.J.Gawthrop, 1991, 1994, 1998
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.7 1998/08/27 06:48:20 peterg
## Changed mttxx to mttx - in implicit integration smx is called once
## with x in the linearisation the same as x in the current state
##
## Revision 1.6 1998/08/26 18:25:45 peterg
## SMX now generates both A and Ax
##
## Revision 1.5 1998/08/15 13:51:56 peterg
## smx is now I-Adt NOT A
##
## Revision 1.4 1998/08/13 09:03:35 peterg
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reduce << EOF >ode2smx_lang.log
lang := $lang;
in "$1_def.r";
in "$1_ode.r";
OFF Echo;
% Load the general translator package
LOAD GENTRAN;
GENTRANLANG!* := 'Pascal;
ON GENTRANSEG;
MAXEXPPRINTLEN!* := 80;
TEMPVARNUM!* := 1;
TEMPVARNAME!* := 'mtt_t;
% Matrix output function
in"$MTTPATH/trans/lang_matrix.r";
%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
GENTRAN foo :=: element;
END
END;
xi := MTTX(i,1);
FOR j := 1:MTTNx DO
BEGIN
xj := MTTX(j,1);
a_ij := df(MTTdx(i,1), xj, 1);
a_ji := df(MTTdx(j,1), xi, 1);
IF i=j THEN
BEGIN
aa_ij := 1 - mttdt*a_ij;
aa_ji := aa_ij;
END
ELSE
BEGIN
aa_ij := -mttdt*a_ij;
aa_ji := -mttdt*a_ji;
END;
IF (aa_ij NEQ 0) THEN
GENTRAN mtta(i,j) ::=: aa_ij;
mttAAx_i := mttAAx_i + aa_ij*mkid(mttx,j);
%%%mttAAtx(i,1) := mttAAtx(i,1) + aa_ji*mkid(mttx,j);
END;
IF (mttAAx_i NEQ 0) THEN
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reduce << EOF >ode2smx_lang.log
lang := $lang;
in "$1_def.r";
in "$1_ode.r";
clear mttx; % Dont need this now - use mkid instead
OFF Echo;
% Load the general translator package
LOAD GENTRAN;
GENTRANLANG!* := 'Pascal;
ON GENTRANSEG;
MAXEXPPRINTLEN!* := 80;
TEMPVARNUM!* := 1;
TEMPVARNAME!* := 'mtt_t;
% Matrix output function
in"$MTTPATH/trans/lang_matrix.r";
%Set up output according to the language.
OFF NAT;
GENTRANOUT "$1_smx.$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 i := 1:MTTNx DO
BEGIN
mttAAx_i := 0;
%% xi := mkid(mttx,i);
FOR j := 1:MTTNx DO
BEGIN
xj := mkid(mttx,j);
a_ij := df(MTTdx(i,1), xj, 1);
%% a_ji := df(MTTdx(j,1), xi, 1);
IF i=j THEN
BEGIN
aa_ij := 1 - mttdt*a_ij;
%% aa_ji := aa_ij;
END
ELSE
BEGIN
aa_ij := -mttdt*a_ij;
%% aa_ji := -mttdt*a_ji;
END;
IF (aa_ij NEQ 0) THEN
GENTRAN mtta(i,j) ::=: aa_ij;
mttAAx_i := mttAAx_i + aa_ij*mkid(mttx,j);
%%%mttAAtx(i,1) := mttAAtx(i,1) + aa_ji*mkid(mttx,j);
END;
IF (mttAAx_i NEQ 0) THEN
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