void FIDA_SETIIN(char key_name[], long int *ival, int *ier)
{
if (!strncmp(key_name,"MAX_ORD",7))
*ier = IDASetMaxOrd(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"MAX_NSTEPS",10))
*ier = IDASetMaxNumSteps(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"MAX_ERRFAIL",11))
*ier = IDASetMaxErrTestFails(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"MAX_NITERS",10))
*ier = IDASetMaxNonlinIters(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"MAX_CONVFAIL",12))
*ier = IDASetMaxConvFails(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"SUPPRESS_ALG",12))
*ier = IDASetSuppressAlg(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"MAX_NSTEPS_IC",13))
*ier = IDASetMaxNumStepsIC(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"MAX_NITERS_IC",13))
*ier = IDASetMaxNumItersIC(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"MAX_NJE_IC",10))
*ier = IDASetMaxNumJacsIC(IDA_idamem, (int) *ival);
else if (!strncmp(key_name,"LS_OFF_IC",9))
*ier = IDASetLineSearchOffIC(IDA_idamem, (int) *ival);
else {
*ier = -99;
printf("FIDASETIIN: Unrecognized key.\n\n");
}
}
void Ida::initialize()
{
_properties = dynamic_cast<ISystemProperties*>(_system);
_continuous_system = dynamic_cast<IContinuous*>(_system);
_event_system = dynamic_cast<IEvent*>(_system);
_mixed_system = dynamic_cast<IMixedSystem*>(_system);
_time_system = dynamic_cast<ITime*>(_system);
IGlobalSettings* global_settings = dynamic_cast<ISolverSettings*>(_idasettings)->getGlobalSettings();
// Kennzeichnung, dass initialize()() (vor der Integration) aufgerufen wurde
_idid = 5000;
_tLastEvent = 0.0;
_event_n = 0;
SolverDefaultImplementation::initialize();
_dimStates = _continuous_system->getDimContinuousStates();
_dimZeroFunc = _event_system->getDimZeroFunc()+_event_system->getDimClock();
_dimAE = _continuous_system->getDimAE();
if(_dimAE>0)
_dimSys=_dimAE+ _dimStates;
else
_dimSys=_dimStates;
if (_dimStates <= 0)
{
_idid = -1;
throw std::invalid_argument("Ida::initialize()");
}
else
{
// Allocate state vectors, stages and temporary arrays
/*if (_z)
delete[] _z;
if (_zInit)
delete[] _zInit;
if (_zWrite)
delete[] _zWrite;*/
if (_y)
delete[] _y;
if (_yInit)
delete[] _yInit;
if (_yWrite)
delete[] _yWrite;
if (_ypWrite)
delete[] _ypWrite;
if (_yp)
delete[] _yp;
if (_dae_res)
delete[] _dae_res;
if (_zeroSign)
delete[] _zeroSign;
if (_absTol)
delete[] _absTol;
if(_delta)
delete [] _delta;
if(_deltaInv)
delete [] _deltaInv;
if(_ysave)
delete [] _ysave;
_y = new double[_dimSys];
_yp = new double[_dimSys];
_yInit = new double[_dimSys];
_yWrite = new double[_dimSys];
_ypWrite = new double[_dimSys];
_dae_res = new double[_dimSys];
/*
_z = new double[_dimSys];
_zInit = new double[_dimSys];
_zWrite = new double[_dimSys];
*/
_zeroSign = new int[_dimZeroFunc];
_absTol = new double[_dimSys];
_delta =new double[_dimSys];
_deltaInv =new double[_dimSys];
_ysave =new double[_dimSys];
memset(_y, 0, _dimSys * sizeof(double));
memset(_yp, 0, _dimSys * sizeof(double));
memset(_yInit, 0, _dimSys * sizeof(double));
memset(_ysave, 0, _dimSys * sizeof(double));
std::fill_n(_absTol, _dimSys, 1.0);
// Counter initialisieren
_outStps = 0;
if (_idasettings->getDenseOutput())
{
// Ausgabeschrittweite
_hOut = global_settings->gethOutput();
}
// Allocate memory for the solver
_idaMem = IDACreate();
if (check_flag((void*) _idaMem, "IDACreate", 0))
{
_idid = -5;
throw std::invalid_argument(/*_idid,_tCurrent,*/"Ida::initialize()");
}
//
// Make Ida ready for integration
//
// Set initial values for IDA
//_continuous_system->evaluateAll(IContinuous::CONTINUOUS);
_continuous_system->getContinuousStates(_yInit);
memcpy(_y, _yInit, _dimStates * sizeof(double));
if(_dimAE>0)
{
_mixed_system->getAlgebraicDAEVars(_yInit+_dimStates);
memcpy(_y+_dimStates, _yInit+_dimStates, _dimAE * sizeof(double));
_continuous_system->getContinuousStates(_yp);
}
// Get nominal values
_continuous_system->getNominalStates(_absTol);
for (int i = 0; i < _dimStates; i++)
_absTol[i] = dynamic_cast<ISolverSettings*>(_idasettings)->getATol();
_CV_y0 = N_VMake_Serial(_dimSys, _yInit);
_CV_y = N_VMake_Serial(_dimSys, _y);
_CV_yp = N_VMake_Serial(_dimSys, _yp);
_CV_yWrite = N_VMake_Serial(_dimSys, _yWrite);
_CV_ypWrite = N_VMake_Serial(_dimSys, _ypWrite);
_CV_absTol = N_VMake_Serial(_dimSys, _absTol);
if (check_flag((void*) _CV_y0, "N_VMake_Serial", 0))
{
_idid = -5;
throw std::invalid_argument("Ida::initialize()");
}
//is already initialized: calcFunction(_tCurrent, NV_DATA_S(_CV_y0), NV_DATA_S(_CV_yp),NV_DATA_S(_CV_yp));
// Initialize Ida (Initial values are required)
_idid = IDAInit(_idaMem, rhsFunctionCB, _tCurrent, _CV_y0, _CV_yp);
if (_idid < 0)
{
_idid = -5;
throw std::invalid_argument("Ida::initialize()");
}
_idid = IDASetErrHandlerFn(_idaMem, errOutputIDA, _data);
if (_idid < 0)
throw std::invalid_argument("IDA::initialize()");
// Set Tolerances
_idid = IDASVtolerances(_idaMem, dynamic_cast<ISolverSettings*>(_idasettings)->getRTol(), _CV_absTol); // RTOL and ATOL
if (_idid < 0)
throw std::invalid_argument("IDA::initialize()");
// Set the pointer to user-defined data
_idid = IDASetUserData(_idaMem, _data);
if (_idid < 0)
throw std::invalid_argument("IDA::initialize()");
_idid = IDASetInitStep(_idaMem, 1e-6); // INITIAL STEPSIZE
if (_idid < 0)
throw std::invalid_argument("Ida::initialize()");
_idid = IDASetMaxStep(_idaMem, global_settings->getEndTime() / 10.0); // MAXIMUM STEPSIZE
if (_idid < 0)
throw std::invalid_argument("IDA::initialize()");
_idid = IDASetMaxNonlinIters(_idaMem, 5); // Max number of iterations
if (_idid < 0)
throw std::invalid_argument("IDA::initialize()");
_idid = IDASetMaxErrTestFails(_idaMem, 100);
if (_idid < 0)
throw std::invalid_argument("IDA::initialize()");
_idid = IDASetMaxNumSteps(_idaMem, 1e3); // Max Number of steps
if (_idid < 0)
throw std::invalid_argument(/*_idid,_tCurrent,*/"IDA::initialize()");
// Initialize linear solver
_idid = IDADense(_idaMem, _dimSys);
if (_idid < 0)
throw std::invalid_argument("IDA::initialize()");
if(_dimAE>0)
{
_idid = IDASetSuppressAlg(_idaMem, TRUE);
double* tmp = new double[_dimSys];
std::fill_n(tmp, _dimStates, 1.0);
std::fill_n(tmp+_dimStates, _dimAE, 0.0);
_idid = IDASetId(_idaMem, N_VMake_Serial(_dimSys,tmp));
delete [] tmp;
if (_idid < 0)
throw std::invalid_argument("IDA::initialize()");
}
// Use own jacobian matrix
//_idid = CVDlsSetDenseJacFn(_idaMem, &jacobianFunctionCB);
//if (_idid < 0)
// throw std::invalid_argument("IDA::initialize()");
if (_dimZeroFunc)
{
_idid = IDARootInit(_idaMem, _dimZeroFunc, &zeroFunctionCB);
memset(_zeroSign, 0, _dimZeroFunc * sizeof(int));
_idid = IDASetRootDirection(_idaMem, _zeroSign);
if (_idid < 0)
throw std::invalid_argument(/*_idid,_tCurrent,*/"IDA::initialize()");
memset(_zeroSign, -1, _dimZeroFunc * sizeof(int));
memset(_zeroVal, -1, _dimZeroFunc * sizeof(int));
}
_ida_initialized = true;
//
// IDA is ready for integration
//
// BOOST_LOG_SEV(ida_lg::get(), ida_info) << "IDA initialized";
}
}
CAMLprim value sundials_ml_ida_set_max_err_test_fails(value ida_solver, value maxnef) {
CAMLparam2(ida_solver, maxnef);
const int ret = IDASetMaxErrTestFails(IDA_MEM(ida_solver), Int_val(maxnef));
CAMLreturn(Val_int(ret));
}