int doit(int argc, char *argv[]) { double i, j ; cvodeSettings_t *settings = CvodeSettings_create(); variableIndex_t *speciesVI, *parameterVI, *parameter2VI; integratorInstance_t *integratorInstance; char *modelStr, *parameterStr, *parameter2Str, *speciesStr; double parameter, parameterEnd, parameterStepSize, parameter2, parameter2End, parameter2StepSize, errorTolerance, relativeErrorTolerance, endtime, initCond, maxDiff, diff; int maximumIntegrationSteps; odeModel_t *model ; if (argc < 11) { fprintf( stderr, "usage %s sbml-model variable parameter1 parameter1-start parameter1-end parameter1-step parameter2 parameter2-start parameter2-end parameter2-step [endtime] [error-tolerance] [relative-error-tolerance] [maximum integration steps]\n", argv[0]); exit(0); } modelStr = argv[1]; speciesStr = argv[2]; parameterStr = argv[3]; parameter = atof(argv[4]); parameterEnd = atof(argv[5]); parameterStepSize = atof(argv[6]); parameter2Str = argv[7]; parameter2 = atof(argv[8]); parameter2End = atof(argv[9]); parameter2StepSize = atof(argv[10]); if (argc > 12) endtime = atof(argv[11]); else endtime = 10000; if (argc > 13) errorTolerance = atof(argv[12]); else errorTolerance = 1e-6; if (argc > 14) relativeErrorTolerance = atof(argv[13]); else relativeErrorTolerance = 1e-4; if (argc > 15) maximumIntegrationSteps = atoi(argv[14]); else maximumIntegrationSteps = 1e9; model = ODEModel_createFromFile(modelStr); RETURN_ON_ERRORS_WITH(1); speciesVI = ODEModel_getVariableIndex(model, speciesStr); parameterVI = ODEModel_getVariableIndex(model, parameterStr); parameter2VI = ODEModel_getVariableIndex(model, parameter2Str); RETURN_ON_ERRORS_WITH(1); /* integrate until steady state */ if ( endtime == 0 ) { /* stop integration upon a steady state */ CvodeSettings_setIndefinitely(settings, 1); CvodeSettings_setSteadyStateThreshold(settings, 1e-9); CvodeSettings_setHaltOnSteadyState(settings, 1); CvodeSettings_setTime(settings, 1, 1); } else { CvodeSettings_setHaltOnSteadyState(settings, 0); CvodeSettings_setIndefinitely(settings, 0); CvodeSettings_setTime(settings, endtime, 1000); } /* absolute tolerance in Cvode integration */ CvodeSettings_setError(settings, errorTolerance); /* relative tolerance in Cvode integration */ CvodeSettings_setRError(settings, relativeErrorTolerance); /* maximum step number for CVode integration */ CvodeSettings_setMxstep(settings, maximumIntegrationSteps); /* doesn't stop integration upon an event */ CvodeSettings_setHaltOnEvent(settings, 0); /* don't Store time course history */ CvodeSettings_setStoreResults(settings, 0); /* compile model */ CvodeSettings_setCompileFunctions(settings, 1); integratorInstance = IntegratorInstance_create(model, settings); printf("set xlabel '%s'\n", ODEModel_getVariableName(model, parameterVI)); printf("set ylabel '%s'\n", ODEModel_getVariableName(model, parameter2VI)); printf("splot '-' using 1:2:3 title '%s' with points pointtype 1 pointsize 1 palette\n", ODEModel_getVariableName(model, speciesVI) ); /* remember initial condition of observed variable */ initCond = IntegratorInstance_getVariableValue(integratorInstance, speciesVI); maxDiff = 0.0; int error = 0 ; int run = 0; for ( run=0; run<2; run++ ) { for (i = parameter; i <= parameterEnd; i += parameterStepSize) { for (j = parameter2; j <= parameter2End; j += parameter2StepSize) { /* add fourth parameter here */ IntegratorInstance_reset( integratorInstance); RETURN_ON_ERRORS_WITH(1); /* for the second run reset the initial condition of the observed variable to a multiple of the maximum observed difference of its value wrt to its initial condition */ if ( run == 1 ) IntegratorInstance_setVariableValue(integratorInstance, speciesVI, fabs(5*(initCond-maxDiff))); IntegratorInstance_setVariableValue(integratorInstance, parameterVI, i); IntegratorInstance_setVariableValue(integratorInstance, parameter2VI, j); /* printf("ic %g\t", IntegratorInstance_getVariableValue(integratorInstance, speciesVI)); */ while(!IntegratorInstance_checkSteadyState(integratorInstance) && !IntegratorInstance_timeCourseCompleted(integratorInstance) ) { IntegratorInstance_integrateOneStep(integratorInstance); if (SolverError_getNum(ERROR_ERROR_TYPE) || SolverError_getNum(FATAL_ERROR_TYPE)) { fprintf(stderr, "ERROR at parameter 1 = %g, parameter 2 = %g\n", i, j); DumpErrors(); error++; } } /* printf("end %g\n", IntegratorInstance_getVariableValue(integratorInstance, speciesVI)); */ /* check whether the final value has largest difference to initial condition */ diff = fabs(initCond - IntegratorInstance_getVariableValue(integratorInstance, speciesVI)); if ( diff > maxDiff ) maxDiff = diff; DumpState(integratorInstance, parameterVI, parameter2VI, speciesVI); } } } printf("end\n"); /* printf("end\n init %g, MAX DIFF %g, abs %g\n", initCond, maxDiff, fabs(initCond-maxDiff)); */ if ( error ) printf("\t%d errors occured\n", error); IntegratorInstance_free(integratorInstance); VariableIndex_free(parameterVI); VariableIndex_free(parameter2VI); VariableIndex_free(speciesVI); ODEModel_free(model); CvodeSettings_free(settings); return 0; }
int doIt(void) { int i ; cvodeSettings_t *settings, *set2; variableIndex_t *s1, *s2; integratorInstance_t *integratorInstance; odeModel_t *model = ODEModel_createFromFile("basic-model1-forward-l2.xml"); RETURN_ON_ERRORS_WITH(1) s1 = ODEModel_getVariableIndex(model, "S1"); s2 = ODEModel_getVariableIndex(model, "S2"); /* Creating settings with default values */ settings = CvodeSettings_create(); /* Setting end time to .1, number of time steps to 1 and NULL instead of an optional predefined time series (double *); due to Indefinitely == 1, Printstep 5 will be ignored and Time = 0.1 will be used as timestep for infinite integration */ CvodeSettings_setTime(settings, .1, 5); /* Setting Cvode Parameters: absolute tolerance, relative tolerance and maximal internal step, respectively */ CvodeSettings_setErrors(settings, 1e-20, 1e-14, 500); /* Setting Integration Switches */ CvodeSettings_setMethod(settings, 1, 12); CvodeSettings_setJacobian(settings, 1); CvodeSettings_setIndefinitely(settings, 1); CvodeSettings_setHaltOnEvent(settings, 0); CvodeSettings_setSteadyState(settings, 0); CvodeSettings_setStoreResults(settings, 0); CvodeSettings_setSensitivity(settings, 0); /* first integration run */ printf("\nFIRST INTEGRATION RUN WITH:\n"); CvodeSettings_dump(settings); integratorInstance = IntegratorInstance_create(model, settings); RETURN_ON_ERRORS_WITH(1); /* print variable (ODE, assignments) and constant names */ printf("#time "); IntegratorInstance_dumpNames(integratorInstance); /* print initial conditions and parameters */ IntegratorInstance_dumpData(integratorInstance); for (i=0; i != 12; i++) { /* setting the next time step, uncomment the following function call to see its effect */ /* IntegratorInstance_setNextTimeStep(integratorInstance, 0.2*(i+1)); */ IntegratorInstance_integrateOneStep(integratorInstance); RETURN_ON_ERRORS_WITH(1); /* print current data */ IntegratorInstance_dumpData(integratorInstance); } /* now, let's try again, with different settings */ set2 = CvodeSettings_create(); /* as Indefinitely will be set to 0, a finite integration to time 0.24 in 6 steps will be run */ CvodeSettings_setTime(set2, 1.2, 6); CvodeSettings_setErrors(set2, 1e-16, 1e-14, 500); /* switches can be set all together, same order as above */ CvodeSettings_setSwitches(set2, 1, 0, 0, 0, 0, 0, 0); printf("\nNOW, LET'S TRY AGAIN WITH DIFFERENT SETTINGS:\n"); CvodeSettings_dump(set2); IntegratorInstance_set(integratorInstance, set2); IntegratorInstance_dumpData(integratorInstance); while( !IntegratorInstance_timeCourseCompleted(integratorInstance) ) { IntegratorInstance_integrateOneStep(integratorInstance); RETURN_ON_ERRORS_WITH(1); IntegratorInstance_dumpData(integratorInstance); } printf("\n\nFINISHED SUCCESSFULLY!\n"); printf("Please, note the different values e.g. at time 1.2.\n"); printf("The values for the first run a more exact, due to the much\n"); printf("lower error tolerances. The error tolerances have to be\n"); printf("adapted to the ranges of each model!!\n\n"); IntegratorInstance_free(integratorInstance); ODEModel_free(model); VariableIndex_free(s1); VariableIndex_free(s2); CvodeSettings_free(settings); CvodeSettings_free(set2); return 0; }