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#! /bin/sh
######################################
##### Model Transformation Tools #####
######################################
###############################################################
## Version control history
###############################################################
## $Id$
## $Log$
## Revision 1.57.2.1 2001/05/04 04:07:24 geraint
## Numerical solution of algebraic equations.
## sys_ae.cc written for unsolved inputs.
## Solution of equations using hybrd from MINPACK (as used by Octave fsolve).
##
## Revision 1.57 2001/04/01 03:38:54 geraint
## Reset row to zero after write to file, ready for subsequent runs.
## Eliminates SIGSEGV in Octave when _ode2odes called multiple times.
##
## Revision 1.56 2001/03/30 15:13:58 gawthrop
## Rationalised simulation modes to each return mtt_data
##
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;;
esac
cat <<EOF > $filename
#include <octave/oct.h>
#include <octave/load-save.h>
#include <octave/lo-mappers.h>
#include <octave/NLEqn.h>
#include <octave/ov-struct.h>
#include <octave/variables.h>
#ifndef STANDALONE
#include <octave/${feval_header}>
#endif
#include "${sys}_def.h"
#include "${sys}_sympar.h"
#ifdef STANDALONE
#include <csignal>
#include <fstream>
#include "mtt_${algebraic_solver}.hh"
extern ColumnVector F${sys}_ae (
ColumnVector &x,
ColumnVector &u,
const double &t,
ColumnVector &par);
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fi
cat <<EOF >> $filename
void set_signal_handlers (void);
#endif // STANDALONE
class Solver
{
public:
Solver (void) {
solve_errors.input = 0;
solve_errors.user = 0;
solve_errors.converge = 0;
solve_errors.progress = 0;
solve_errors.limit = 0;
solve_errors.unknown = 0;
}
ColumnVector solve (const ColumnVector &x,
const ColumnVector &u,
const double &t,
const ColumnVector &par)
{
initialise(x,u,t,par);
NLFunc fcn(&Solver::evaluate);
NLEqn eqn(Ui,fcn);
Ui = eqn.solve(info);
switch (info)
{
case -2:
solve_errors.input++;
write_stats();
break;
case -1:
solve_errors.user++;
write_stats();
break;
case 1:
solve_errors.converge++;
break;
case 3:
solve_errors.progress++;
write_stats();
break;
case 4:
solve_errors.limit++;
write_stats();
break;
default:
solve_errors.unknown++;
write_stats();
break;;
}
U.insert (Ui,MTTNU);
return U;
}
void write_stats (void)
{
cerr << "input error (" << solve_errors.input << ") "
<< ", user (" << solve_errors.user << ") "
<< ", converge (" << solve_errors.converge << ") "
<< ", progress (" << solve_errors.progress << ") "
<< ", limit (" << solve_errors.limit << ") "
<< ", unknown (" << solve_errors.unknown << ") "
<< endl;
}
private:
static ColumnVector evaluate (const ColumnVector &tryUi)
{
U.insert(tryUi,MTTNU);
return F${sys}_ae(X,U,T,P);
}
void initialise (const ColumnVector &x,
const ColumnVector &u,
const double &t,
const ColumnVector &par)
{
X = x;
T = t;
P = par;
U.insert(u,0);
Ui = ColumnVector(MTTNYZ,0.0);
}
private:
struct {
long int input;
long int user;
long int converge;
long int progress;
long int limit;
long int unknown;
} solve_errors;
static double T;
static ColumnVector X;
static ColumnVector P;
static ColumnVector U;
static ColumnVector Ui;
int info;
};
double Solver::T = 0.0;
ColumnVector Solver::U(MTTNU+MTTNYZ,0.0);
ColumnVector Solver::X(MTTNX,0.0);
ColumnVector Solver::P(MTTNPAR,0.0);
ColumnVector Solver::Ui(MTTNYZ,0.0);
inline ColumnVector
mtt_input (ColumnVector &x,
ColumnVector &y,
const double &t,
ColumnVector &par)
{
#ifdef STANDALONE
static ColumnVector u (MTTNU);
static ColumnVector ui (MTTNYZ);
static ColumnVector U (MTTNU+MTTNYZ);
static Solver ae;
static ${algebraic_solver} ae(F${sys}_ae,MTTNPAR,MTTNU,MTTNX,MTTNY,MTTNYZ);
u = F${sys}_input (x, y, t, par);
if (MTTNYZ == 0)
{
return u;
}
else
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