static void PrintOutput(void *mem, realtype t, N_Vector uu) { int ier; realtype umax, hused; long int nst, nni, nje, nre, nreLS; int kused; umax = N_VMaxNorm(uu); ier = IDAGetLastOrder(mem, &kused); check_flag(&ier, "IDAGetLastOrder", 1); ier = IDAGetNumSteps(mem, &nst); check_flag(&ier, "IDAGetNumSteps", 1); ier = IDAGetNumNonlinSolvIters(mem, &nni); check_flag(&ier, "IDAGetNumNonlinSolvIters", 1); ier = IDAGetNumResEvals(mem, &nre); check_flag(&ier, "IDAGetNumResEvals", 1); ier = IDAGetLastStep(mem, &hused); check_flag(&ier, "IDAGetLastStep", 1); ier = IDADlsGetNumJacEvals(mem, &nje); check_flag(&ier, "IDADlsGetNumJacEvals", 1); ier = IDADlsGetNumResEvals(mem, &nreLS); check_flag(&ier, "IDADlsGetNumResEvals", 1); #if defined(SUNDIALS_EXTENDED_PRECISION) printf(" %5.2Lf %13.5Le %d %3ld %3ld %3ld %4ld %4ld %9.2Le \n", t, umax, kused, nst, nni, nje, nre, nreLS, hused); #elif defined(SUNDIALS_DOUBLE_PRECISION) printf(" %5.2f %13.5le %d %3ld %3ld %3ld %4ld %4ld %9.2le \n", t, umax, kused, nst, nni, nje, nre, nreLS, hused); #else printf(" %5.2f %13.5e %d %3ld %3ld %3ld %4ld %4ld %9.2e \n", t, umax, kused, nst, nni, nje, nre, nreLS, hused); #endif }
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(_y); _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) { if(_dimAE>0) { _continuous_system->evaluateDAE(IContinuous::CONTINUOUS); } else { _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(_y); if(_dimAE>0) { _mixed_system->getAlgebraicDAEVars(_y+_dimStates); _continuous_system->getRHS(_yp); } calcFunction(_tCurrent, NV_DATA_S(_CV_y), NV_DATA_S(_CV_yp),_dae_res); } } 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 if(_dimAE>0) { _continuous_system->evaluateDAE(IContinuous::CONTINUOUS); } else { _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)); if(_dimAE>0) { _mixed_system->setAlgebraicDAEVars(NV_DATA_S(_CV_y)+_dimStates); _continuous_system->setStateDerivatives(NV_DATA_S(_CV_yp)); _continuous_system->evaluateDAE(IContinuous::CONTINUOUS); } else { _continuous_system->evaluateAll(IContinuous::CONTINUOUS); } if(writeOutput) writeToFile(0, _tEnd, _h); _accStps += _locStps; _solverStatus = DONE; } } }
/* * Print integrator statistics and max-norm of solution */ static void PrintOutput(int id, void *mem, realtype t, N_Vector uu, booleantype sensi, N_Vector *uuS) { realtype umax, hused; int kused, ier, is; long int nst, nni, nre, nli, npe, nps, nreLS, nge; umax = N_VMaxNorm(uu); if (id == 0) { ier = IDAGetLastOrder(mem, &kused); check_flag(&ier, "IDAGetLastOrder", 1, id); ier = IDAGetNumSteps(mem, &nst); check_flag(&ier, "IDAGetNumSteps", 1, id); ier = IDAGetNumNonlinSolvIters(mem, &nni); check_flag(&ier, "IDAGetNumNonlinSolvIters", 1, id); ier = IDAGetNumResEvals(mem, &nre); check_flag(&ier, "IDAGetNumResEvals", 1, id); ier = IDAGetLastStep(mem, &hused); check_flag(&ier, "IDAGetLastStep", 1, id); ier = IDASpilsGetNumLinIters(mem, &nli); check_flag(&ier, "IDASpilsGetNumLinIters", 1, id); ier = IDASpilsGetNumResEvals(mem, &nreLS); check_flag(&ier, "IDASpilsGetNumResEvals", 1, id); ier = IDABBDPrecGetNumGfnEvals(mem, &nge); check_flag(&ier, "IDABBDPrecGetNumGfnEvals", 1, id); ier = IDASpilsGetNumPrecEvals(mem, &npe); check_flag(&ier, "IDASpilsGetPrecEvals", 1, id); ier = IDASpilsGetNumPrecSolves(mem, &nps); check_flag(&ier, "IDASpilsGetNumPrecSolves", 1, id); #if defined(SUNDIALS_EXTENDED_PRECISION) printf(" %5.2Lf %13.5Le %d %3ld %3ld %3ld %4ld %4ld %4ld %9.2Le %3ld %3ld\n", t, umax, kused, nst, nni, nli, nre, nreLS, nge, hused, npe, nps); #elif defined(SUNDIALS_DOUBLE_PRECISION) printf(" %5.2f %13.5le %d %3ld %3ld %3ld %4ld %4ld %4ld %9.2le %3ld %3ld\n", t, umax, kused, nst, nni, nli, nre, nreLS, nge, hused, npe, nps); #else printf(" %5.2f %13.5e %d %3ld %3ld %3ld %4ld %4ld %4ld %9.2e %3ld %3ld\n", t, umax, kused, nst, nni, nli, nre, nreLS, nge, hused, npe, nps); #endif } if (sensi) { for (is=0; is<NS; is++) { umax = N_VMaxNorm(uuS[is]); if (id == 0) { #if defined(SUNDIALS_EXTENDED_PRECISION) printf(" %13.5Le\n", umax); #elif defined(SUNDIALS_DOUBLE_PRECISION) printf(" %13.5le\n", umax); #else printf(" %13.5e\n", umax); #endif } } } }