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;
}
