int main()
{
void *mem;
UserData webdata;
N_Vector cc, cp, id;
int iout, retval;
long int mu, ml;
realtype rtol, atol, t0, tout, tret;
mem = NULL;
webdata = NULL;
cc = cp = id = NULL;
/* Allocate and initialize user data block webdata. */
webdata = (UserData) malloc(sizeof *webdata);
webdata->rates = N_VNew_Serial(NEQ);
webdata->acoef = newDenseMat(NUM_SPECIES, NUM_SPECIES);
InitUserData(webdata);
/* Allocate N-vectors and initialize cc, cp, and id. */
cc = N_VNew_Serial(NEQ);
if(check_flag((void *)cc, "N_VNew_Serial", 0)) return(1);
cp = N_VNew_Serial(NEQ);
if(check_flag((void *)cp, "N_VNew_Serial", 0)) return(1);
id = N_VNew_Serial(NEQ);
if(check_flag((void *)id, "N_VNew_Serial", 0)) return(1);
SetInitialProfiles(cc, cp, id, webdata);
/* Set remaining inputs to IDAMalloc. */
t0 = ZERO;
rtol = RTOL;
atol = ATOL;
/* Call IDACreate and IDAMalloc to initialize IDA. */
mem = IDACreate();
if(check_flag((void *)mem, "IDACreate", 0)) return(1);
retval = IDASetUserData(mem, webdata);
if(check_flag(&retval, "IDASetUserData", 1)) return(1);
retval = IDASetId(mem, id);
if(check_flag(&retval, "IDASetId", 1)) return(1);
retval = IDAInit(mem, resweb, t0, cc, cp);
if(check_flag(&retval, "IDAInit", 1)) return(1);
retval = IDASStolerances(mem, rtol, atol);
if(check_flag(&retval, "IDASStolerances", 1)) return(1);
/* Call IDABand to specify the IDA linear solver. */
mu = ml = NSMX;
retval = IDABand(mem, NEQ, mu, ml);
if(check_flag(&retval, "IDABand", 1)) return(1);
/* Call IDACalcIC (with default options) to correct the initial values. */
tout = RCONST(0.001);
retval = IDACalcIC(mem, IDA_YA_YDP_INIT, tout);
if(check_flag(&retval, "IDACalcIC", 1)) return(1);
/* Print heading, basic parameters, and initial values. */
PrintHeader(mu, ml, rtol, atol);
PrintOutput(mem, cc, ZERO);
/* Loop over iout, call IDASolve (normal mode), print selected output. */
for (iout = 1; iout <= NOUT; iout++) {
retval = IDASolve(mem, tout, &tret, cc, cp, IDA_NORMAL);
if(check_flag(&retval, "IDASolve", 1)) return(retval);
PrintOutput(mem, cc, tret);
if (iout < 3) tout *= TMULT; else tout += TADD;
}
/* Print final statistics and free memory. */
PrintFinalStats(mem);
/* Free memory */
IDAFree(&mem);
N_VDestroy_Serial(cc);
N_VDestroy_Serial(cp);
N_VDestroy_Serial(id);
destroyMat(webdata->acoef);
N_VDestroy_Serial(webdata->rates);
free(webdata);
return(0);
}
int SundialsIda::integrateToTime(realtype t)
{
int flag = IDASolve(sundialsMem, t, &tInt, y.forSundials(),
ydot.forSundials(), IDA_NORMAL);
return flag;
}
int main(void)
{
void *mem;
UserData data;
N_Vector uu, up, constraints, id, res;
int ier, iout;
long int mu, ml, netf, ncfn;
realtype rtol, atol, t0, t1, tout, tret;
mem = NULL;
data = NULL;
uu = up = constraints = id = res = NULL;
/* Create vectors uu, up, res, constraints, id. */
uu = N_VNew_Serial(NEQ);
if(check_flag((void *)uu, "N_VNew_Serial", 0)) return(1);
up = N_VNew_Serial(NEQ);
if(check_flag((void *)up, "N_VNew_Serial", 0)) return(1);
res = N_VNew_Serial(NEQ);
if(check_flag((void *)res, "N_VNew_Serial", 0)) return(1);
constraints = N_VNew_Serial(NEQ);
if(check_flag((void *)constraints, "N_VNew_Serial", 0)) return(1);
id = N_VNew_Serial(NEQ);
if(check_flag((void *)id, "N_VNew_Serial", 0)) return(1);
/* Create and load problem data block. */
data = (UserData) malloc(sizeof *data);
if(check_flag((void *)data, "malloc", 2)) return(1);
data->mm = MGRID;
data->dx = ONE/(MGRID - ONE);
data->coeff = ONE/( (data->dx) * (data->dx) );
/* Initialize uu, up, id. */
SetInitialProfile(data, uu, up, id, res);
/* Set constraints to all 1's for nonnegative solution values. */
N_VConst(ONE, constraints);
/* Set remaining input parameters. */
t0 = ZERO;
t1 = RCONST(0.01);
rtol = ZERO;
atol = RCONST(1.0e-3);
/* Call IDACreate and IDAMalloc to initialize solution */
mem = IDACreate();
if(check_flag((void *)mem, "IDACreate", 0)) return(1);
ier = IDASetUserData(mem, data);
if(check_flag(&ier, "IDASetUserData", 1)) return(1);
ier = IDASetId(mem, id);
if(check_flag(&ier, "IDASetId", 1)) return(1);
ier = IDASetConstraints(mem, constraints);
if(check_flag(&ier, "IDASetConstraints", 1)) return(1);
N_VDestroy_Serial(constraints);
ier = IDAInit(mem, heatres, t0, uu, up);
if(check_flag(&ier, "IDAInit", 1)) return(1);
ier = IDASStolerances(mem, rtol, atol);
if(check_flag(&ier, "IDASStolerances", 1)) return(1);
/* Call IDABand to specify the linear solver. */
mu = MGRID; ml = MGRID;
ier = IDABand(mem, NEQ, mu, ml);
if(check_flag(&ier, "IDABand", 1)) return(1);
/* Call IDACalcIC to correct the initial values. */
ier = IDACalcIC(mem, IDA_YA_YDP_INIT, t1);
if(check_flag(&ier, "IDACalcIC", 1)) return(1);
/* Print output heading. */
PrintHeader(rtol, atol);
PrintOutput(mem, t0, uu);
/* Loop over output times, call IDASolve, and print results. */
for (tout = t1, iout = 1; iout <= NOUT; iout++, tout *= TWO) {
ier = IDASolve(mem, tout, &tret, uu, up, IDA_NORMAL);
if(check_flag(&ier, "IDASolve", 1)) return(1);
PrintOutput(mem, tret, uu);
}
/* Print remaining counters and free memory. */
ier = IDAGetNumErrTestFails(mem, &netf);
check_flag(&ier, "IDAGetNumErrTestFails", 1);
ier = IDAGetNumNonlinSolvConvFails(mem, &ncfn);
check_flag(&ier, "IDAGetNumNonlinSolvConvFails", 1);
printf("\n netf = %ld, ncfn = %ld \n", netf, ncfn);
IDAFree(&mem);
N_VDestroy_Serial(uu);
N_VDestroy_Serial(up);
N_VDestroy_Serial(id);
N_VDestroy_Serial(res);
free(data);
return(0);
}
void Ida::IDACore()
{
_idid = IDAReInit(_idaMem, _tCurrent, _CV_y,_CV_yp);
_idid = IDASetStopTime(_idaMem, _tEnd);
_idid = IDASetInitStep(_idaMem, 1e-12);
if (_idid < 0)
throw std::runtime_error("IDA::ReInit");
bool writeEventOutput = (_settings->getGlobalSettings()->getOutputPointType() == OPT_ALL);
bool writeOutput = !(_settings->getGlobalSettings()->getOutputPointType() == OPT_NONE);
while ((_solverStatus & ISolver::CONTINUE) && !_interrupt )
{
_cv_rt = IDASolve(_idaMem, _tEnd, &_tCurrent, _CV_y, _CV_yp, IDA_ONE_STEP);
_idid = IDAGetNumSteps(_idaMem, &_locStps);
if (_idid != IDA_SUCCESS)
throw std::runtime_error("IDAGetNumSteps failed. The ida mem pointer is NULL");
_idid =IDAGetLastStep(_idaMem, &_h);
if (_idid != IDA_SUCCESS)
throw std::runtime_error("IDAGetLastStep failed. The ida mem pointer is NULL");
//Check if there was at least one output-point within the last solver interval
// -> Write output if true
if (writeOutput)
{
writeIDAOutput(_tCurrent, _h, _locStps);
}
#ifdef RUNTIME_PROFILING
MEASURETIME_REGION_DEFINE(idaStepCompletedHandler, "IDAStepCompleted");
if(MeasureTime::getInstance() != NULL)
{
MEASURETIME_START(measuredFunctionStartValues, idaStepCompletedHandler, "IDAStepCompleted");
}
#endif
//set completed step to system and check if terminate was called
if(_continuous_system->stepCompleted(_tCurrent))
_solverStatus = DONE;
#ifdef RUNTIME_PROFILING
if(MeasureTime::getInstance() != NULL)
{
MEASURETIME_END(measuredFunctionStartValues, measuredFunctionEndValues, (*measureTimeFunctionsArray)[5], idaStepCompletedHandler);
}
#endif
// Perform state selection
bool state_selection = stateSelection();
if (state_selection)
_continuous_system->getContinuousStates(_z);
_zeroFound = false;
// Check if step was successful
if (check_flag(&_cv_rt, "IDA", 1))
{
_solverStatus = ISolver::SOLVERERROR;
break;
}
// A root was found
if ((_cv_rt == IDA_ROOT_RETURN) && !isInterrupted())
{
// IDA is setting _tCurrent to the time where the first event occurred
double _abs = fabs(_tLastEvent - _tCurrent);
_zeroFound = true;
if ((_abs < 1e-3) && _event_n == 0)
{
_tLastEvent = _tCurrent;
_event_n++;
}
else if ((_abs < 1e-3) && (_event_n >= 1 && _event_n < 500))
{
_event_n++;
}
else if ((_abs >= 1e-3))
{
//restart event counter
_tLastEvent = _tCurrent;
_event_n = 0;
}
else
throw std::runtime_error("Number of events exceeded in time interval " + to_string(_abs) + " at time " + to_string(_tCurrent));
// IDA has interpolated the states at time 'tCurrent'
_time_system->setTime(_tCurrent);
// To get steep steps in the result file, two value points (P1 and P2) must be added
//
// Y | (P2) X...........
// | :
// | :
// |........X (P1)
// |---------------------------------->
// | ^ t
// _tCurrent
// Write the values of (P1)
if (writeEventOutput)
{
_continuous_system->evaluateAll(IContinuous::CONTINUOUS);
writeToFile(0, _tCurrent, _h);
}
_idid = IDAGetRootInfo(_idaMem, _zeroSign);
for (int i = 0; i < _dimZeroFunc; i++)
_events[i] = bool(_zeroSign[i]);
if (_mixed_system->handleSystemEvents(_events))
{
// State variables were reinitialized, thus we have to give these values to the ida-solver
// Take care about the memory regions, _z is the same like _CV_y
_continuous_system->getContinuousStates(_z);
calcFunction(_tCurrent, NV_DATA_S(_CV_y), NV_DATA_S(_CV_yp));
}
}
if ((_zeroFound || state_selection)&& !isInterrupted())
{
// Write the values of (P2)
if (writeEventOutput)
{
// If we want to write the event-results, we should evaluate the whole system again
_continuous_system->evaluateAll(IContinuous::CONTINUOUS);
writeToFile(0, _tCurrent, _h);
}
_idid = IDAReInit(_idaMem, _tCurrent, _CV_y,_CV_yp);
if (_idid < 0)
throw std::runtime_error("IDA::ReInit()");
// Der Eventzeitpunkt kann auf der Endzeit liegen (Time-Events). In diesem Fall wird der Solver beendet, da IDA sonst eine interne Warnung schmeißt
if (_tCurrent == _tEnd)
_cv_rt = IDA_TSTOP_RETURN;
}
// Zähler für die Anzahl der ausgegebenen Schritte erhöhen
++_outStps;
_tLastSuccess = _tCurrent;
if (_cv_rt == IDA_TSTOP_RETURN)
{
_time_system->setTime(_tEnd);
_continuous_system->setContinuousStates(NV_DATA_S(_CV_y));
_continuous_system->evaluateAll(IContinuous::CONTINUOUS);
if(writeOutput)
writeToFile(0, _tEnd, _h);
_accStps += _locStps;
_solverStatus = DONE;
}
}
}
int main(int argc, char *argv[])
{
MPI_Comm comm;
void *mem;
UserData data;
int thispe, iout, ier, npes;
long int Neq, local_N, mudq, mldq, mukeep, mlkeep;
realtype rtol, atol, t0, t1, tout, tret;
N_Vector uu, up, constraints, id, res;
mem = NULL;
data = NULL;
uu = up = constraints = id = res = NULL;
/* Get processor number and total number of pe's. */
MPI_Init(&argc, &argv);
comm = MPI_COMM_WORLD;
MPI_Comm_size(comm, &npes);
MPI_Comm_rank(comm, &thispe);
if (npes != NPEX*NPEY) {
if (thispe == 0)
fprintf(stderr,
"\nMPI_ERROR(0): npes = %d is not equal to NPEX*NPEY = %d\n",
npes,NPEX*NPEY);
MPI_Finalize();
return(1);
}
/* Set local length local_N and global length Neq. */
local_N = MXSUB*MYSUB;
Neq = MX * MY;
/* Allocate N-vectors. */
uu = N_VNew_Parallel(comm, local_N, Neq);
if(check_flag((void *)uu, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
up = N_VNew_Parallel(comm, local_N, Neq);
if(check_flag((void *)up, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
res = N_VNew_Parallel(comm, local_N, Neq);
if(check_flag((void *)res, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
constraints = N_VNew_Parallel(comm, local_N, Neq);
if(check_flag((void *)constraints, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
id = N_VNew_Parallel(comm, local_N, Neq);
if(check_flag((void *)id, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
/* Allocate and initialize the data structure. */
data = (UserData) malloc(sizeof *data);
if(check_flag((void *)data, "malloc", 2, thispe)) MPI_Abort(comm, 1);
InitUserData(thispe, comm, data);
/* Initialize the uu, up, id, and constraints profiles. */
SetInitialProfile(uu, up, id, res, data);
N_VConst(ONE, constraints);
t0 = ZERO; t1 = RCONST(0.01);
/* Scalar relative and absolute tolerance. */
rtol = ZERO;
atol = RCONST(1.0e-3);
/* Call IDACreate and IDAMalloc to initialize solution */
mem = IDACreate();
if(check_flag((void *)mem, "IDACreate", 0, thispe)) MPI_Abort(comm, 1);
ier = IDASetUserData(mem, data);
if(check_flag(&ier, "IDASetUserData", 1, thispe)) MPI_Abort(comm, 1);
ier = IDASetSuppressAlg(mem, TRUE);
if(check_flag(&ier, "IDASetSuppressAlg", 1, thispe)) MPI_Abort(comm, 1);
ier = IDASetId(mem, id);
if(check_flag(&ier, "IDASetId", 1, thispe)) MPI_Abort(comm, 1);
ier = IDASetConstraints(mem, constraints);
if(check_flag(&ier, "IDASetConstraints", 1, thispe)) MPI_Abort(comm, 1);
N_VDestroy_Parallel(constraints);
ier = IDAInit(mem, heatres, t0, uu, up);
if(check_flag(&ier, "IDAInit", 1, thispe)) MPI_Abort(comm, 1);
ier = IDASStolerances(mem, rtol, atol);
if(check_flag(&ier, "IDASStolerances", 1, thispe)) MPI_Abort(comm, 1);
mudq = MXSUB;
mldq = MXSUB;
mukeep = 1;
mlkeep = 1;
/* Print problem description */
if (thispe == 0 ) PrintHeader(Neq, rtol, atol);
/*
* -----------------------------
* Case 1 -- mldq = mudq = MXSUB
* -----------------------------
*/
/* Call IDASpgmr to specify the linear solver. */
ier = IDASpgmr(mem, 0);
if(check_flag(&ier, "IDASpgmr", 1, thispe)) MPI_Abort(comm, 1);
/* Call IDABBDPrecInit to initialize BBD preconditioner. */
ier = IDABBDPrecInit(mem, local_N, mudq, mldq, mukeep, mlkeep,
ZERO, reslocal, NULL);
if(check_flag(&ier, "IDABBDPrecAlloc", 1, thispe)) MPI_Abort(comm, 1);
/* Print output heading (on processor 0 only) and initial solution. */
if (thispe == 0) PrintCase(1, mudq, mukeep);
/* Loop over tout, call IDASolve, print output. */
for (tout = t1, iout = 1; iout <= NOUT; iout++, tout *= TWO) {
ier = IDASolve(mem, tout, &tret, uu, up, IDA_NORMAL);
if(check_flag(&ier, "IDASolve", 1, thispe)) MPI_Abort(comm, 1);
PrintOutput(thispe, mem, tret, uu);
}
/* Print final statistics */
if (thispe == 0) PrintFinalStats(mem);
/*
* -----------------------------
* Case 2 -- mldq = mudq = 1
* -----------------------------
*/
mudq = 1;
mldq = 1;
/* Re-initialize the uu and up profiles. */
SetInitialProfile(uu, up, id, res, data);
/* Call IDAReInit to re-initialize IDA. */
ier = IDAReInit(mem, t0, uu, up);
if(check_flag(&ier, "IDAReInit", 1, thispe)) MPI_Abort(comm, 1);
/* Call IDABBDPrecReInit to re-initialize BBD preconditioner. */
ier = IDABBDPrecReInit(mem, mudq, mldq, ZERO);
if(check_flag(&ier, "IDABBDPrecReInit", 1, thispe)) MPI_Abort(comm, 1);
/* Print output heading (on processor 0 only). */
if (thispe == 0) PrintCase(2, mudq, mukeep);
/* Loop over tout, call IDASolve, print output. */
for (tout = t1, iout = 1; iout <= NOUT; iout++, tout *= TWO) {
ier = IDASolve(mem, tout, &tret, uu, up, IDA_NORMAL);
if(check_flag(&ier, "IDASolve", 1, thispe)) MPI_Abort(comm, 1);
PrintOutput(thispe, mem, tret, uu);
}
/* Print final statistics */
if (thispe == 0) PrintFinalStats(mem);
/* Free Memory */
IDAFree(&mem);
free(data);
N_VDestroy_Parallel(id);
N_VDestroy_Parallel(res);
N_VDestroy_Parallel(up);
N_VDestroy_Parallel(uu);
MPI_Finalize();
return(0);
}
int main(int argc, char *argv[])
{
MPI_Comm comm;
void *mem;
UserData webdata;
int SystemSize, local_N;
realtype rtol, atol, t0, tout, tret;
N_Vector cc, cp, res, id;
int thispe, npes, maxl, iout, flag;
cc = cp = res = id = NULL;
webdata = NULL;
mem = NULL;
/* Set communicator, and get processor number and total number of PE's. */
MPI_Init(&argc, &argv);
comm = MPI_COMM_WORLD;
MPI_Comm_rank(comm, &thispe);
MPI_Comm_size(comm, &npes);
if (npes != NPEX*NPEY) {
if (thispe == 0)
fprintf(stderr,
"\nMPI_ERROR(0): npes = %d not equal to NPEX*NPEY = %d\n",
npes, NPEX*NPEY);
MPI_Finalize();
return(1);
}
/* Set local length (local_N) and global length (SystemSize). */
local_N = MXSUB*MYSUB*NUM_SPECIES;
SystemSize = NEQ;
/* Set up user data block webdata. */
webdata = AllocUserData(comm, local_N, SystemSize);
if (check_flag((void *)webdata, "AllocUserData", 0, thispe)) MPI_Abort(comm, 1);
InitUserData(webdata, thispe, npes, comm);
/* Create needed vectors, and load initial values.
The vector res is used temporarily only. */
cc = N_VNew_Parallel(comm, local_N, SystemSize);
if (check_flag((void *)cc, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
cp = N_VNew_Parallel(comm, local_N, SystemSize);
if (check_flag((void *)cp, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
res = N_VNew_Parallel(comm, local_N, SystemSize);
if (check_flag((void *)res, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
id = N_VNew_Parallel(comm, local_N, SystemSize);
if (check_flag((void *)id, "N_VNew_Parallel", 0, thispe)) MPI_Abort(comm, 1);
SetInitialProfiles(cc, cp, id, res, webdata);
N_VDestroy(res);
/* Set remaining inputs to IDAMalloc. */
t0 = ZERO;
rtol = RTOL;
atol = ATOL;
/* Call IDACreate and IDAMalloc to initialize IDA.
A pointer to IDA problem memory is returned and stored in idamem. */
mem = IDACreate();
if (check_flag((void *)mem, "IDACreate", 0, thispe)) MPI_Abort(comm, 1);
flag = IDASetUserData(mem, webdata);
if (check_flag(&flag, "IDASetUserData", 1, thispe)) MPI_Abort(comm, 1);
flag = IDASetId(mem, id);
if (check_flag(&flag, "IDASetId", 1, thispe)) MPI_Abort(comm, 1);
flag = IDAInit(mem, resweb, t0, cc, cp);
if (check_flag(&flag, "IDAinit", 1, thispe)) MPI_Abort(comm, 1);
flag = IDASStolerances(mem, rtol, atol);
if (check_flag(&flag, "IDASStolerances", 1, thispe)) MPI_Abort(comm, 1);
webdata->ida_mem = mem;
/* Call IDASpgmr to specify the IDA linear solver IDASPGMR and specify
the preconditioner routines supplied (Precondbd and PSolvebd).
maxl (max. Krylov subspace dim.) is set to 16. */
maxl = 16;
flag = IDASpgmr(mem, maxl);
if (check_flag(&flag, "IDASpgmr", 1, thispe))
MPI_Abort(comm, 1);
flag = IDASpilsSetPreconditioner(mem, Precondbd, PSolvebd);
if (check_flag(&flag, "IDASpilsSetPreconditioner", 1, thispe))
MPI_Abort(comm, 1);
/* Call IDACalcIC (with default options) to correct the initial values. */
tout = RCONST(0.001);
flag = IDACalcIC(mem, IDA_YA_YDP_INIT, tout);
if (check_flag(&flag, "IDACalcIC", 1, thispe))
MPI_Abort(comm, 1);
/* On PE 0, print heading, basic parameters, initial values. */
if (thispe == 0) PrintHeader(SystemSize, maxl, rtol, atol);
PrintOutput(mem, cc, t0, webdata, comm);
/* Loop over iout, call IDASolve (normal mode), print selected output. */
for (iout = 1; iout <= NOUT; iout++) {
flag = IDASolve(mem, tout, &tret, cc, cp, IDA_NORMAL);
if (check_flag(&flag, "IDASolve", 1, thispe)) MPI_Abort(comm, 1);
PrintOutput(mem, cc, tret, webdata, comm);
if (iout < 3) tout *= TMULT;
else tout += TADD;
}
/* On PE 0, print final set of statistics. */
if (thispe == 0) PrintFinalStats(mem);
/* Free memory. */
N_VDestroy_Parallel(cc);
N_VDestroy_Parallel(cp);
N_VDestroy_Parallel(id);
IDAFree(&mem);
FreeUserData(webdata);
MPI_Finalize();
return(0);
}
void FIDA_SOLVE(realtype *tout, realtype *tret, realtype *yret,
realtype *ypret, int *itask, int *ier)
{
int klast, kcur;
*ier = 0;
/* Attach user data to vectors */
N_VSetArrayPointer(yret, F2C_IDA_vec);
N_VSetArrayPointer(ypret, F2C_IDA_ypvec);
*ier = IDASolve(IDA_idamem, *tout, tret, F2C_IDA_vec, F2C_IDA_ypvec, *itask);
/* Reset data pointers */
N_VSetArrayPointer(NULL, F2C_IDA_vec);
N_VSetArrayPointer(NULL, F2C_IDA_ypvec);
/* Set optional outputs */
IDAGetWorkSpace(IDA_idamem,
&IDA_iout[0], /* LENRW */
&IDA_iout[1]); /* LENIW */
IDAGetIntegratorStats(IDA_idamem,
&IDA_iout[2], /* NST */
&IDA_iout[3], /* NRE */
&IDA_iout[7], /* NSETUPS */
&IDA_iout[4], /* NETF */
&klast, /* KLAST */
&kcur, /* KCUR */
&IDA_rout[0], /* HINUSED */
&IDA_rout[1], /* HLAST */
&IDA_rout[2], /* HCUR */
&IDA_rout[3]); /* TCUR */
IDA_iout[8] = (long int) klast;
IDA_iout[9] = (long int) kcur;
IDAGetNonlinSolvStats(IDA_idamem,
&IDA_iout[6], /* NNI */
&IDA_iout[5]); /* NCFN */
IDAGetNumBacktrackOps(IDA_idamem,
&IDA_iout[10]); /* NBCKTRK */
IDAGetTolScaleFactor(IDA_idamem,
&IDA_rout[4]); /* TOLSFAC */
/* Root finding is on */
if (IDA_nrtfn != 0)
IDAGetNumGEvals(IDA_idamem, &IDA_iout[11]); /* NGE */
switch(IDA_ls) {
case IDA_LS_DENSE:
case IDA_LS_BAND:
case IDA_LS_LAPACKDENSE:
case IDA_LS_LAPACKBAND:
IDADlsGetWorkSpace(IDA_idamem, &IDA_iout[12], &IDA_iout[13]); /* LENRWLS, LENIWLS */
IDADlsGetLastFlag(IDA_idamem, &IDA_iout[14]); /* LSTF */
IDADlsGetNumResEvals(IDA_idamem, &IDA_iout[15]); /* NRE */
IDADlsGetNumJacEvals(IDA_idamem, &IDA_iout[16]); /* NJE */
break;
case IDA_LS_KLU:
case IDA_LS_SUPERLUMT:
IDASlsGetLastFlag(IDA_idamem, &IDA_iout[14]); /* LSTF */
IDASlsGetNumJacEvals(IDA_idamem, &IDA_iout[16]); /* NJE */
break;
case IDA_LS_SPGMR:
case IDA_LS_SPBCG:
case IDA_LS_SPTFQMR:
IDASpilsGetWorkSpace(IDA_idamem, &IDA_iout[12], &IDA_iout[13]); /* LENRWLS, LENIWLS */
IDASpilsGetLastFlag(IDA_idamem, &IDA_iout[14]); /* LSTF */
IDASpilsGetNumResEvals(IDA_idamem, &IDA_iout[15]); /* NRE */
IDASpilsGetNumJtimesEvals(IDA_idamem, &IDA_iout[16]); /* NJE */
IDASpilsGetNumPrecEvals(IDA_idamem, &IDA_iout[17]); /* NPE */
IDASpilsGetNumPrecSolves(IDA_idamem, &IDA_iout[18]); /* NPS */
IDASpilsGetNumLinIters(IDA_idamem, &IDA_iout[19]); /* NLI */
IDASpilsGetNumConvFails(IDA_idamem, &IDA_iout[20]); /* NCFL */
break;
}
return;
}
int main()
{
void *mem;
UserData data;
N_Vector uu, up, constraints, res;
int ier, iout;
realtype rtol, atol, t0, t1, tout, tret;
long int netf, ncfn, ncfl;
mem = NULL;
data = NULL;
uu = up = constraints = res = NULL;
/* Allocate N-vectors and the user data structure. */
uu = N_VNew_Serial(NEQ);
if(check_flag((void *)uu, "N_VNew_Serial", 0)) return(1);
up = N_VNew_Serial(NEQ);
if(check_flag((void *)up, "N_VNew_Serial", 0)) return(1);
res = N_VNew_Serial(NEQ);
if(check_flag((void *)res, "N_VNew_Serial", 0)) return(1);
constraints = N_VNew_Serial(NEQ);
if(check_flag((void *)constraints, "N_VNew_Serial", 0)) return(1);
data = (UserData) malloc(sizeof *data);
data->pp = NULL;
if(check_flag((void *)data, "malloc", 2)) return(1);
/* Assign parameters in the user data structure. */
data->mm = MGRID;
data->dx = ONE/(MGRID-ONE);
data->coeff = ONE/(data->dx * data->dx);
data->pp = N_VNew_Serial(NEQ);
if(check_flag((void *)data->pp, "N_VNew_Serial", 0)) return(1);
/* Initialize uu, up. */
SetInitialProfile(data, uu, up, res);
/* Set constraints to all 1's for nonnegative solution values. */
N_VConst(ONE, constraints);
/* Assign various parameters. */
t0 = ZERO;
t1 = RCONST(0.01);
rtol = ZERO;
atol = RCONST(1.0e-3);
/* Call IDACreate and IDAMalloc to initialize solution */
mem = IDACreate();
if(check_flag((void *)mem, "IDACreate", 0)) return(1);
ier = IDASetUserData(mem, data);
if(check_flag(&ier, "IDASetUserData", 1)) return(1);
ier = IDASetConstraints(mem, constraints);
if(check_flag(&ier, "IDASetConstraints", 1)) return(1);
N_VDestroy_Serial(constraints);
ier = IDAInit(mem, resHeat, t0, uu, up);
if(check_flag(&ier, "IDAInit", 1)) return(1);
ier = IDASStolerances(mem, rtol, atol);
if(check_flag(&ier, "IDASStolerances", 1)) return(1);
/* Call IDASpgmr to specify the linear solver. */
ier = IDASpgmr(mem, 0);
if(check_flag(&ier, "IDASpgmr", 1)) return(1);
ier = IDASpilsSetPreconditioner(mem, PsetupHeat, PsolveHeat);
if(check_flag(&ier, "IDASpilsSetPreconditioner", 1)) return(1);
/* Print output heading. */
PrintHeader(rtol, atol);
/*
* -------------------------------------------------------------------------
* CASE I
* -------------------------------------------------------------------------
*/
/* Print case number, output table heading, and initial line of table. */
printf("\n\nCase 1: gsytpe = MODIFIED_GS\n");
printf("\n Output Summary (umax = max-norm of solution) \n\n");
printf(" time umax k nst nni nje nre nreLS h npe nps\n" );
printf("----------------------------------------------------------------------\n");
/* Loop over output times, call IDASolve, and print results. */
for (tout = t1,iout = 1; iout <= NOUT ; iout++, tout *= TWO) {
ier = IDASolve(mem, tout, &tret, uu, up, IDA_NORMAL);
if(check_flag(&ier, "IDASolve", 1)) return(1);
PrintOutput(mem, tret, uu);
}
/* Print remaining counters. */
ier = IDAGetNumErrTestFails(mem, &netf);
check_flag(&ier, "IDAGetNumErrTestFails", 1);
ier = IDAGetNumNonlinSolvConvFails(mem, &ncfn);
check_flag(&ier, "IDAGetNumNonlinSolvConvFails", 1);
ier = IDASpilsGetNumConvFails(mem, &ncfl);
check_flag(&ier, "IDASpilsGetNumConvFails", 1);
printf("\nError test failures = %ld\n", netf);
printf("Nonlinear convergence failures = %ld\n", ncfn);
printf("Linear convergence failures = %ld\n", ncfl);
/*
* -------------------------------------------------------------------------
* CASE II
* -------------------------------------------------------------------------
*/
/* Re-initialize uu, up. */
SetInitialProfile(data, uu, up, res);
/* Re-initialize IDA and IDASPGMR */
ier = IDAReInit(mem, t0, uu, up);
if(check_flag(&ier, "IDAReInit", 1)) return(1);
ier = IDASpilsSetGSType(mem, CLASSICAL_GS);
if(check_flag(&ier, "IDASpilsSetGSType",1)) return(1);
/* Print case number, output table heading, and initial line of table. */
printf("\n\nCase 2: gstype = CLASSICAL_GS\n");
printf("\n Output Summary (umax = max-norm of solution) \n\n");
printf(" time umax k nst nni nje nre nreLS h npe nps\n" );
printf("----------------------------------------------------------------------\n");
/* Loop over output times, call IDASolve, and print results. */
for (tout = t1,iout = 1; iout <= NOUT ; iout++, tout *= TWO) {
ier = IDASolve(mem, tout, &tret, uu, up, IDA_NORMAL);
if(check_flag(&ier, "IDASolve", 1)) return(1);
PrintOutput(mem, tret, uu);
}
/* Print remaining counters. */
ier = IDAGetNumErrTestFails(mem, &netf);
check_flag(&ier, "IDAGetNumErrTestFails", 1);
ier = IDAGetNumNonlinSolvConvFails(mem, &ncfn);
check_flag(&ier, "IDAGetNumNonlinSolvConvFails", 1);
ier = IDASpilsGetNumConvFails(mem, &ncfl);
check_flag(&ier, "IDASpilsGetNumConvFails", 1);
printf("\nError test failures = %ld\n", netf);
printf("Nonlinear convergence failures = %ld\n", ncfn);
printf("Linear convergence failures = %ld\n", ncfl);
/* Free Memory */
IDAFree(&mem);
N_VDestroy_Serial(uu);
N_VDestroy_Serial(up);
N_VDestroy_Serial(res);
N_VDestroy_Serial(data->pp);
free(data);
return(0);
}
int main(void)
{
void *mem;
UserData data;
N_Vector uu, up, constraints, id, res; /* uu is u, up is du/dt */
int ier, iout;
long int netf, ncfn;
realtype rtol, atol, t0, t1, tout, tret;
int nnz; /* number of non-zeroes */
mem = NULL;
data = NULL;
uu = up = constraints = id = res = NULL;
/* Create vectors uu, up, res, constraints, id. */
uu = N_VNew_Serial(NEQ);
if(check_flag((void *)uu, "N_VNew_Serial", 0)) return(1);
up = N_VNew_Serial(NEQ);
if(check_flag((void *)up, "N_VNew_Serial", 0)) return(1);
res = N_VNew_Serial(NEQ);
if(check_flag((void *)res, "N_VNew_Serial", 0)) return(1);
constraints = N_VNew_Serial(NEQ);
if(check_flag((void *)constraints, "N_VNew_Serial", 0)) return(1);
id = N_VNew_Serial(NEQ); /* differentiate between algebraic and differential */
if(check_flag((void *)id, "N_VNew_Serial", 0)) return(1);
/* Create and load problem data block. */
data = (UserData) malloc(sizeof *data);
if(check_flag((void *)data, "malloc", 2)) return(1);
data->mm = MGRID;
data->dx = ONE/(MGRID - ONE);
data->coeff = ONE/( (data->dx) * (data->dx) );
/* Initialize uu, up, id. */
SetInitialProfile(data, uu, up, id, res);
/* Set constraints to all 1's for nonnegative solution values. */
N_VConst(ONE, constraints);
/* Set remaining input parameters. */
t0 = ZERO;
t1 = RCONST(0.01);
rtol = ZERO;
atol = RCONST(1.0e-8);
/* Call IDACreate and IDAMalloc to initialize solution */
mem = IDACreate();
if(check_flag((void *)mem, "IDACreate", 0)) return(1);
ier = IDASetUserData(mem, data);
if(check_flag(&ier, "IDASetUserData", 1)) return(1);
/* Sets up which components are algebraic or differential */
ier = IDASetId(mem, id);
if(check_flag(&ier, "IDASetId", 1)) return(1);
ier = IDASetConstraints(mem, constraints);
if(check_flag(&ier, "IDASetConstraints", 1)) return(1);
N_VDestroy_Serial(constraints);
ier = IDAInit(mem, heatres, t0, uu, up);
if(check_flag(&ier, "IDAInit", 1)) return(1);
ier = IDASStolerances(mem, rtol, atol);
if(check_flag(&ier, "IDASStolerances", 1)) return(1);
/* Call IDAKLU and set up the linear solver */
nnz = NEQ*NEQ;
ier = IDAKLU(mem, NEQ, nnz, CSC_MAT);
if(check_flag(&ier, "IDAKLU", 1)) return(1);
/* check size of Jacobian matrix */
if(MGRID >= 4){
ier = IDASlsSetSparseJacFn(mem, jacHeat);
}
/* special case MGRID=3 */
else if(MGRID==3){
ier = IDASlsSetSparseJacFn(mem, jacHeat3);
}
/* MGRID<=2 is pure boundary points, nothing to solve */
else{
printf("MGRID size is too small to run.\n");
return(1);
}
if(check_flag(&ier, "IDASlsSetSparseJacFn", 1)) return(1);
/* Call IDACalcIC to correct the initial values. */
ier = IDACalcIC(mem, IDA_YA_YDP_INIT, t1);
if(check_flag(&ier, "IDACalcIC", 1)) return(1);
/* Print output heading. */
PrintHeader(rtol, atol);
PrintOutput(mem, t0, uu);
/* Loop over output times, call IDASolve, and print results. */
for (tout = t1, iout = 1; iout <= NOUT; iout++, tout *= TWO) {
ier = IDASolve(mem, tout, &tret, uu, up, IDA_NORMAL);
if(check_flag(&ier, "IDASolve", 1)) return(1);
PrintOutput(mem, tret, uu);
}
/* Print remaining counters and free memory. */
ier = IDAGetNumErrTestFails(mem, &netf);
check_flag(&ier, "IDAGetNumErrTestFails", 1);
ier = IDAGetNumNonlinSolvConvFails(mem, &ncfn);
check_flag(&ier, "IDAGetNumNonlinSolvConvFails", 1);
printf("\n netf = %ld, ncfn = %ld \n", netf, ncfn);
IDAFree(&mem);
N_VDestroy_Serial(uu);
N_VDestroy_Serial(up);
N_VDestroy_Serial(id);
N_VDestroy_Serial(res);
free(data);
return(0);
}
int main(void)
{
void *mem;
N_Vector yy, yp, avtol;
realtype rtol, *yval, *ypval, *atval;
realtype t0, tout1, tout, tret;
int iout, retval, retvalr;
int rootsfound[2];
mem = NULL;
yy = yp = avtol = NULL;
yval = ypval = atval = NULL;
/* Allocate N-vectors. */
yy = N_VNew_Serial(NEQ);
if(check_flag((void *)yy, "N_VNew_Serial", 0)) return(1);
yp = N_VNew_Serial(NEQ);
if(check_flag((void *)yp, "N_VNew_Serial", 0)) return(1);
avtol = N_VNew_Serial(NEQ);
if(check_flag((void *)avtol, "N_VNew_Serial", 0)) return(1);
/* Create and initialize y, y', and absolute tolerance vectors. */
yval = NV_DATA_S(yy);
yval[0] = ONE;
yval[1] = ZERO;
yval[2] = ZERO;
ypval = NV_DATA_S(yp);
ypval[0] = RCONST(-0.04);
ypval[1] = RCONST(0.04);
ypval[2] = ZERO;
rtol = RCONST(1.0e-4);
atval = NV_DATA_S(avtol);
atval[0] = RCONST(1.0e-8);
atval[1] = RCONST(1.0e-6);
atval[2] = RCONST(1.0e-6);
/* Integration limits */
t0 = ZERO;
tout1 = RCONST(0.4);
PrintHeader(rtol, avtol, yy);
/* Call IDACreate and IDAMalloc to initialize IDA memory */
mem = IDACreate();
if(check_flag((void *)mem, "IDACreate", 0)) return(1);
retval = IDAInit(mem, resrob, t0, yy, yp);
if(check_flag(&retval, "IDAInit", 1)) return(1);
retval = IDASVtolerances(mem, rtol, avtol);
if(check_flag(&retval, "IDASVtolerances", 1)) return(1);
/* Free avtol */
N_VDestroy_Serial(avtol);
/* Call IDARootInit to specify the root function grob with 2 components */
retval = IDARootInit(mem, 2, grob);
if (check_flag(&retval, "IDARootInit", 1)) return(1);
/* Call IDADense and set up the linear solver. */
retval = IDADense(mem, NEQ);
if(check_flag(&retval, "IDADense", 1)) return(1);
retval = IDADlsSetDenseJacFn(mem, jacrob);
if(check_flag(&retval, "IDADlsSetDenseJacFn", 1)) return(1);
/* In loop, call IDASolve, print results, and test for error.
Break out of loop when NOUT preset output times have been reached. */
iout = 0; tout = tout1;
while(1) {
retval = IDASolve(mem, tout, &tret, yy, yp, IDA_NORMAL);
PrintOutput(mem,tret,yy);
if(check_flag(&retval, "IDASolve", 1)) return(1);
if (retval == IDA_ROOT_RETURN) {
retvalr = IDAGetRootInfo(mem, rootsfound);
check_flag(&retvalr, "IDAGetRootInfo", 1);
PrintRootInfo(rootsfound[0],rootsfound[1]);
}
if (retval == IDA_SUCCESS) {
iout++;
tout *= RCONST(10.0);
}
if (iout == NOUT) break;
}
PrintFinalStats(mem);
/* Free memory */
IDAFree(&mem);
N_VDestroy_Serial(yy);
N_VDestroy_Serial(yp);
return(0);
}
int main()
{
void *mem;
UserData webdata;
N_Vector cc, cp, id;
int iout, jx, jy, flag;
long int maxl;
realtype rtol, atol, t0, tout, tret;
mem = NULL;
webdata = NULL;
cc = cp = id = NULL;
/* Allocate and initialize user data block webdata. */
webdata = (UserData) malloc(sizeof *webdata);
webdata->rates = N_VNew_Serial(NEQ);
webdata->acoef = newDenseMat(NUM_SPECIES, NUM_SPECIES);
webdata->ewt = N_VNew_Serial(NEQ);
for (jx = 0; jx < MX; jx++) {
for (jy = 0; jy < MY; jy++) {
(webdata->pivot)[jx][jy] = newLintArray(NUM_SPECIES);
(webdata->PP)[jx][jy] = newDenseMat(NUM_SPECIES, NUM_SPECIES);
}
}
InitUserData(webdata);
/* Allocate N-vectors and initialize cc, cp, and id. */
cc = N_VNew_Serial(NEQ);
if(check_flag((void *)cc, "N_VNew_Serial", 0)) return(1);
cp = N_VNew_Serial(NEQ);
if(check_flag((void *)cp, "N_VNew_Serial", 0)) return(1);
id = N_VNew_Serial(NEQ);
if(check_flag((void *)id, "N_VNew_Serial", 0)) return(1);
SetInitialProfiles(cc, cp, id, webdata);
/* Set remaining inputs to IDAMalloc. */
t0 = ZERO;
rtol = RTOL;
atol = ATOL;
/* Call IDACreate and IDAMalloc to initialize IDA. */
mem = IDACreate();
if(check_flag((void *)mem, "IDACreate", 0)) return(1);
flag = IDASetUserData(mem, webdata);
if(check_flag(&flag, "IDASetUserData", 1)) return(1);
flag = IDASetId(mem, id);
if(check_flag(&flag, "IDASetId", 1)) return(1);
flag = IDAInit(mem, resweb, t0, cc, cp);
if(check_flag(&flag, "IDAInit", 1)) return(1);
flag = IDASStolerances(mem, rtol, atol);
if(check_flag(&flag, "IDASStolerances", 1)) return(1);
webdata->ida_mem = mem;
/* Call IDASpgmr to specify the IDA linear solver. */
maxl = 16; /* max dimension of the Krylov subspace */
flag = IDASpgmr(mem, maxl);
if(check_flag(&flag, "IDASpgmr", 1)) return(1);
flag = IDASpilsSetPreconditioner(mem, Precond, PSolve);
if(check_flag(&flag, "IDASpilsSetPreconditioner", 1)) return(1);
/* Call IDACalcIC (with default options) to correct the initial values. */
tout = RCONST(0.001);
flag = IDACalcIC(mem, IDA_YA_YDP_INIT, tout);
if(check_flag(&flag, "IDACalcIC", 1)) return(1);
/* Print heading, basic parameters, and initial values. */
PrintHeader(maxl, rtol, atol);
PrintOutput(mem, cc, ZERO);
/* Loop over iout, call IDASolve (normal mode), print selected output. */
for (iout = 1; iout <= NOUT; iout++) {
flag = IDASolve(mem, tout, &tret, cc, cp, IDA_NORMAL);
if(check_flag(&flag, "IDASolve", 1)) return(flag);
PrintOutput(mem, cc, tret);
if (iout < 3) tout *= TMULT; else tout += TADD;
}
/* Print final statistics and free memory. */
PrintFinalStats(mem);
/* Free memory */
IDAFree(&mem);
N_VDestroy_Serial(cc);
N_VDestroy_Serial(cp);
N_VDestroy_Serial(id);
destroyMat(webdata->acoef);
N_VDestroy_Serial(webdata->rates);
N_VDestroy_Serial(webdata->ewt);
for (jx = 0; jx < MX; jx++) {
for (jy = 0; jy < MY; jy ++) {
destroyArray((webdata->pivot)[jx][jy]);
destroyMat((webdata->PP)[jx][jy]);
}
}
free(webdata);
return(0);
}
