void printOdes_fromFile(char* filename)
{
if (filename == NULL)
return;
int i;
char *formula;
variableIndex_t *vi = NULL;
odeModel_t *model =
ODEModel_createFromFile(filename);
if (model == NULL)
{
printf("create odemodel fails:\n");
return;
}
/* Get some information from constructed odeModel */
printf("\n\n");
printf("ODE Model Statistics:\n");
printf("Number of ODEs: %d\n",
ODEModel_getNeq(model));
printf("Number of Assignments: %d\n",
ODEModel_getNumAssignments(model));
printf("Number of Constants: %d\n",
ODEModel_getNumConstants(model));
printf(" ____\n");
printf("Total number of values: %d\n",
ODEModel_getNumValues(model));
printf("\n");
printf("ODEs:\n");
for ( i=0; i<ODEModel_getNeq(model); i++ ){
vi = ODEModel_getOdeVariableIndex(model, i);
formula = SBML_formulaToString(ODEModel_getOde(model, vi));
printf("d[%s]/dt = %s \n", ODEModel_getVariableName(model, vi), formula);
free(formula);
VariableIndex_free(vi);
}
// printf("Assigned Variables:\n");
// for ( i=0; i<ODEModel_getNumAssignments(model); i++ ){
// vi = ODEModel_getAssignedVariableIndex(model, i);
// formula = SBML_formulaToString(ODEModel_getOde(model, vi));
// printf("%s = %s \n", ODEModel_getVariableName(model, vi), formula);
// free(formula);
// VariableIndex_free(vi);
// }
printf("Constants:\n");
for ( i=0; i<ODEModel_getNumConstants(model); i++ ){
vi = ODEModel_getConstantIndex(model, i);
printf("%s\n", ODEModel_getVariableName(model, vi));
VariableIndex_free(vi);
}
printf("\n\n");
ODEModel_free(model);
}
int main(void)
{
int i;
char *formula;
variableIndex_t *vi = NULL;
odeModel_t *model =
ODEModel_createFromFile("basic-model1-forward-l2.xml");
/* Get some information from constructed odeModel */
printf("\n\n");
printf("ODE Model Statistics:\n");
printf("Number of ODEs: %d\n",
ODEModel_getNeq(model));
printf("Number of Assignments: %d\n",
ODEModel_getNumAssignments(model));
printf("Number of Constants: %d\n",
ODEModel_getNumConstants(model));
printf(" ____\n");
printf("Total number of values: %d\n",
ODEModel_getNumValues(model));
printf("\n");
printf("ODEs:\n");
for ( i=0; i<ODEModel_getNeq(model); i++ ){
vi = ODEModel_getOdeVariableIndex(model, i);
formula = SBML_formulaToString(ODEModel_getOde(model, vi));
printf("d[%s]/dt = %s \n", ODEModel_getVariableName(model, vi), formula);
free(formula);
VariableIndex_free(vi);
}
printf("Assigned Variables:\n");
for ( i=0; i<ODEModel_getNumAssignments(model); i++ ){
vi = ODEModel_getAssignedVariableIndex(model, i);
formula = SBML_formulaToString(ODEModel_getOde(model, vi));
printf("%s = %s \n", ODEModel_getVariableName(model, vi), formula);
free(formula);
VariableIndex_free(vi);
}
printf("Constants:\n");
for ( i=0; i<ODEModel_getNumConstants(model); i++ ){
vi = ODEModel_getConstantIndex(model, i);
printf("%s\n", ODEModel_getVariableName(model, vi));
VariableIndex_free(vi);
}
printf("\n\n");
ODEModel_free(model);
return 1;
}
SBML_ODESOLVER_API int IntegratorInstance_checkTrigger(integratorInstance_t *engine)
{
int i, j, fired;
ASTNode_t *trigger, *assignment;
Event_t *e;
EventAssignment_t *ea;
variableIndex_t *vi;
cvodeSettings_t *opt = engine->opt;
cvodeData_t *data = engine->data;
odeModel_t *om = engine->om;
fired = 0;
for ( i=0; i<Model_getNumEvents(om->simple); i++ ) {
e = Model_getEvent(om->simple, i);
trigger = (ASTNode_t *) Event_getTrigger(e);
if ( data->trigger[i] == 0 && evaluateAST(trigger, data) ) {
if (opt->HaltOnEvent)
SolverError_error(ERROR_ERROR_TYPE,
SOLVER_ERROR_EVENT_TRIGGER_FIRED,
"Event Trigger %d (%s) fired at time %g. "
"Aborting simulation.",
i, SBML_formulaToString(trigger),
data->currenttime);
/* removed AMF 08/11/05
else
SolverError_error(WARNING_ERROR_TYPE,
SOLVER_ERROR_EVENT_TRIGGER_FIRED,
"Event Trigger %d (%s) fired at time %g. ",
i, SBML_formulaToString(trigger),
data->currenttime); */
fired++;
data->trigger[i] = 1;
for ( j=0; j<Event_getNumEventAssignments(e); j++ ) {
ea = Event_getEventAssignment(e, j);
assignment = (ASTNode_t *) EventAssignment_getMath(ea);
vi = ODEModel_getVariableIndex(om,
EventAssignment_getVariable(ea));
IntegratorInstance_setVariableValue(engine, vi,
evaluateAST(assignment, data));
VariableIndex_free(vi);
}
}
else {
data->trigger[i] = 0;
}
}
return fired;
}
int main (void)
{
odeModel_t *odemodel = ODEModel_createFromFile("MAPK.xml");
variableIndex_t *vi = ODEModel_getVariableIndex(odemodel, "MAPK_PP");
const ASTNode_t *ode = ODEModel_getOde(odemodel, vi);
char *equation = SBML_formulaToString(ode);
printf("d(%s)/dt = %s\n", ODEModel_getVariableName(odemodel, vi), equation);
ODEModel_free(odemodel);
VariableIndex_free(vi);
free(equation);
return (EXIT_SUCCESS);
}
int main(void)
{
int i, j, neq;
char *formula;
variableIndex_t *vi = NULL;
variableIndex_t *vj = NULL;
const ASTNode_t *f = NULL;
cvodeData_t *data = NULL;
cvodeSettings_t *set;
integratorInstance_t *iI;
/* first load an SBML model and directly construct the
internal odeModel from it */
odeModel_t *odeModel = ODEModel_createFromFile("MAPK.xml");
if ( ODEModel_constructSensitivity(odeModel) &&
ODEModel_getNeq(odeModel) ) {
printf("\n\nSuccessfully constructed the parametric matrix S ");
printf("as used for CVODES sensitivity analysis\n\n");
printf("We might be interested in the `sparsity' of S,\n");
printf("... we can just evaluate the parametric entries:\n\n");
/* we need cvodeData for evaluating formulas */
data = CvodeData_create(odeModel);
printf("... how many parametric entries: %d\n\n",
ODEModel_getNsens(odeModel));
/* now take a look at a all entries of S: */
for ( i=0; i<ODEModel_getNeq(odeModel); i++ ) {
vi = ODEModel_getOdeVariableIndex(odeModel, i);
printf("\nODE VARIABLE %d: %s\n", i+1,
ODEModel_getVariableName(odeModel, vi));
f = ODEModel_getOde(odeModel, vi);
formula = SBML_formulaToString(f);
printf("dY/dt = %s \n", formula);
free(formula);
for ( j=0; j<ODEModel_getNsens(odeModel); j++ ) {
vj = ODEModel_getSensParamIndexByNum(odeModel, j);
printf(" Parameter %d: %s ", j,
ODEModel_getVariableName(odeModel, vj));
f = ODEModel_getSensIJEntry(odeModel, i, j);
formula = SBML_formulaToString(f);
printf(" S[%d][%d] = %s \n", i, j, formula);
free(formula);
VariableIndex_free(vj);
}
VariableIndex_free(vi);
}
printf("\n\n");
printf("Sensitivity: parametric matrix with initial conditions:\n");
printSensiMatrix(odeModel, data);
/* we must free this cvodeData structure */
CvodeData_free(data);
printf("Thx and good bye!\n");
}
else {
SolverError_dumpAndClearErrors();
printf("Sorry, for this system we couldn't generate the Parametric.\n");
printf("Sensitivity can still be run with internal approximation.\n");
}
ODEModel_free(odeModel);
return 1;
}
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;
}
int
main (int argc, char *argv[]){
int i;
odeModel_t *om;
cvodeSettings_t *set;
integratorInstance_t *ii;
variableIndex_t *p;
int flag;
/* Setting SBML ODE Solver integration parameters */
set = CvodeSettings_create();
CvodeSettings_setTime(set, 1000, 10);
CvodeSettings_setErrors(set, 1e-15, 1e-8, 1e4);
CvodeSettings_setMethod(set, 0, 5);
/* CvodeSettings_setStoreResults(set, 0); */
CvodeSettings_setJacobian(set, 1); /* for testing only */
CvodeSettings_setCompileFunctions(set, 0); /* for testing only */
/* creating the odeModel */
om = ODEModel_createFromFile("MAPK.xml");
ii = IntegratorInstance_create(om, set);
/* ACTIVATE SENSITIVITY ANALYSIS */
CvodeSettings_setSensitivity(set, 1);
/* 0: simultaneous 1: staggered, 2: staggered1
see CVODES user guide for details */
CvodeSettings_setSensMethod(set, 0);
/* ACTIVATE ADJOINT ANALYSIS */
CvodeSettings_setDoAdj(set);
CvodeSettings_setAdjTime(set, 1000, 100);
CvodeSettings_setAdjErrors(set, 1e-15, 1e-8);
CvodeSettings_setnSaveSteps(set, 1000);
printf("Try 3 integrations with selected parameters/ICs!\n");
char *sensIDTest[4];
sensIDTest[0] = "MAPK";
sensIDTest[2] = "MAPK_P";
sensIDTest[1] = "K1";
sensIDTest[3] = "Ki";
CvodeSettings_setSensParams(set, sensIDTest, 4);
fprintf(stdout, "\n\nReading in linear objective function from: 'MAPK.linobjfun'\n");
fprintf(stdout, "Demonstration of forward/adjoint sensitivity (near) equivalence. \n\n");
/* Initially, only linear objective is present */
flag = IntegratorInstance_setLinearObjectiveFunction(ii, "MAPK.linobjfun");
if (flag!=1)
return(EXIT_FAILURE);
/* reset integrator to new settings */
IntegratorInstance_reset(ii);
/* get a parameter for which we will check sensitivities */
p = ODEModel_getVariableIndex(om, "K1");
i = 0;
while ( i < 4 ) {
/* if ( i == 2) break; */
/* Set nonlinear objective function after 2 loops */
if ( i == 2)
{
fprintf(stdout, "\nReading in nonlinear objective now: 'MAPK.objfun'\n\n");
flag = IntegratorInstance_setObjectiveFunction(ii, "MAPK.objfun");
if (flag!=1)
return(EXIT_FAILURE);
}
IntegratorInstance_reset(ii);
while( !IntegratorInstance_timeCourseCompleted(ii) )
if ( !IntegratorInstance_integrateOneStep(ii) )
break;
printf("\nIntegration time was %g\n\n",
IntegratorInstance_getIntegrationTime(ii));
/* IntegratorInstance_dumpData(ii); */
printf("Param default: %s\n", ODEModel_getVariableName(om, p));
IntegratorInstance_dumpPSensitivities(ii, p);
flag = IntegratorInstance_CVODEQuad(ii);
if (flag!=1)
return(EXIT_FAILURE);
if ( i < 2)
fprintf(stdout, "\n### Printing Forward Sensitivities\n");
else
fprintf(stdout, "\n### Printing Objective Function (since nonlinear objective is present)\n");
flag = IntegratorInstance_printQuad(ii, stdout);
if (flag!=1)
return(EXIT_FAILURE);
/* Now go into adjoint phase */
IntegratorInstance_resetAdjPhase(ii);
/* Adjoint phase */
while( !IntegratorInstance_timeCourseCompleted(ii) )
if ( !IntegratorInstance_integrateOneStep(ii) )
break;
printf("\nIntegration time was %g\n\n",
IntegratorInstance_getIntegrationTime(ii));
/* Print out adjoint soln */
IntegratorInstance_dumpAdjData(ii);
/* adjoint quadrature */
flag = IntegratorInstance_CVODEQuad(ii);
if (flag!=1)
return(EXIT_FAILURE);
fprintf(stdout, "\n### Printing Adjoint Sensitivities: int_0^T <df/dp, psi> dt\n");
flag = IntegratorInstance_printQuad(ii, stdout);
if (flag!=1)
return(EXIT_FAILURE);
fprintf(stdout, "\n############# DONE RUN NUMBER %d #############\n", i);
i++;
}
/* VariableIndex_free(y); */
VariableIndex_free(p);
/* now we have the results and can free the inputs */
IntegratorInstance_free(ii);
CvodeSettings_free(set);
ODEModel_free(om);
return (EXIT_SUCCESS);
}
int
main (int argc, char *argv[])
{
int neq, nass, nconst;
char *x[3];
double x0[3];
char *ode[2];
ASTNode_t *ast[2];
double time, rtol, atol;
double printstep;
/* SBML model containing events */
Model_t *events;
/* SOSlib types */
odeModel_t *om;
cvodeSettings_t *set;
integratorInstance_t *ii;
variableIndex_t *vi;
/* parsing input ODEs and settings */
/* time and error settings */
time = 0.5;
rtol = atol = 1.0E-9;
printstep = 10;
/* variables */
neq = 2;
x[0] = "C_cy";
x0[0] = 0.0;
ode[0] = "((150.0 * (3.8 - (p * D_cy) - (p * C_cy)) * (1.0 - (p * C_cy))) - (9.0 * C_cy))";
x[1] = "D_cy";
x0[1] = 9.0;
ode[1] = "(3.8 - (3.0 * D_cy) - (p * D_cy) - (p * C_cy))";
/* parameters */
nconst = 1;
x[2] = "p";
x0[2] = 0.2;
/* assignments */
nass = 0;
/* SBML model containing events */
events = NULL;
/* creating ODE ASTs from strings */
ast[0] = SBML_parseFormula(ode[0]);
ast[1] = SBML_parseFormula(ode[1]);
/* end of input parsing */
/* Setting SBML ODE Solver integration parameters */
set = CvodeSettings_createWithTime(time, printstep);
CvodeSettings_setErrors(set, atol, rtol, 1e4);
CvodeSettings_setStoreResults(set, 0);
/* activating default sensitivity */
CvodeSettings_setSensitivity(set, 1);
/* creating odeModel */
/* `events' could be an SBML model containing events */
om = ODEModel_createFromODEs(ast, neq, nass, nconst, x, x0, events);
/* creating integrator */
ii = IntegratorInstance_create(om,set);
/* integrate */
printf("integrating:\n");
while( !IntegratorInstance_timeCourseCompleted(ii) )
{
if ( !IntegratorInstance_integrateOneStep(ii) )
{
SolverError_dump();
break;
}
else
IntegratorInstance_dumpData(ii);
}
/* Specific data interfaces: */
/* names are stored in the odeModel and values
are independently stored in the integrator: you can
get different values from different integrator instances
built from the same model */
vi = ODEModel_getVariableIndex(om, "C_cy");
printf("\nVariable %s has final value of %g at time %g\n\n",
ODEModel_getVariableName(om, vi),
IntegratorInstance_getVariableValue(ii, vi),
IntegratorInstance_getTime(ii));
VariableIndex_free(vi);
vi = ODEModel_getVariableIndex(om, "p");
printf("Sensitivies to %s:\n", ODEModel_getVariableName(om, vi));
IntegratorInstance_dumpPSensitivities(ii, vi);
printf("\n\n");
VariableIndex_free(vi);
/* finished, free stuff */
/* free ASTs */
ASTNode_free(ast[0]);
ASTNode_free(ast[1]);
/* free solver structures */
IntegratorInstance_free(ii);
ODEModel_free(om);
CvodeSettings_free(set);
return (EXIT_SUCCESS);
}
int doit(void)
{
int i ;
cvodeSettings_t *settings ;
variableIndex_t *s1, *s2;
integratorInstance_t *integratorInstanceA;
integratorInstance_t *integratorInstanceB;
odeModel_t *model = ODEModel_createFromFile("events-2-events-1-assignment-l2.xml");
RETURN_ON_ERRORS_WITH(1);
assert(ODEModel_hasVariable(model, "S1"));
assert(ODEModel_hasVariable(model, "S1"));
assert(!ODEModel_hasVariable(model, "foobar"));
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 1 will be ignored and Time =
0.1 will be used as timestep for infinite integration */
CvodeSettings_setTime(settings, .01, 1);
/* Setting Cvode Parameters: absolute and relative tolerances and
maximal internal step */
CvodeSettings_setErrors(settings, 1e-18, 1e-14, 500);
/* Setting Integration Switches: see documentation or
example simpleIntegratorInstance.c for details on
the passed values */
CvodeSettings_setSwitches(settings, 1, 1, 0, 0, 0, 0);
integratorInstanceA = IntegratorInstance_create(model, settings);
RETURN_ON_ERRORS_WITH(1);
integratorInstanceB = IntegratorInstance_create(model, settings);
RETURN_ON_ERRORS_WITH(1);
DumpState(integratorInstanceA, integratorInstanceB, s1, s2);
for (i=0; i != 500; i++)
{
IntegratorInstance_integrateOneStep(integratorInstanceA);
RETURN_ON_ERRORS_WITH(1);
IntegratorInstance_integrateOneStep(integratorInstanceB);
RETURN_ON_ERRORS_WITH(1);
DumpState(integratorInstanceA, integratorInstanceB, s1, s2);
}
IntegratorInstance_free(integratorInstanceA);
IntegratorInstance_free(integratorInstanceB);
VariableIndex_free(s1);
VariableIndex_free(s2);
ODEModel_free(model);
CvodeSettings_free(settings);
return 0;
}
int main(void)
{
char *formula;
variableIndex_t *vi = NULL;
variableIndex_t *vj = NULL;
const ASTNode_t *f = NULL;
cvodeData_t *data = NULL;
cvodeSettings_t *set;
integratorInstance_t *iI;
/* first load an SBML model and directly construct the
internal odeModel from it */
odeModel_t *odeModel = ODEModel_createFromFile("MAPK.xml");
if ( ODEModel_constructJacobian(odeModel) && ODEModel_getNeq(odeModel) ) {
printf("\n\nSuccessfully constructed the jacobian matrix J\n\n");
printf("We might be interested in the `sparsity' of J,\n");
printf("... we can just evaluate the jacobian entries:\n\n");
/* we need cvodeData for evaluating formulas */
data = CvodeData_create(odeModel);
/* ! IMPORTANT : initialize values */
CvodeData_initializeValues(data);
printf("Jacobian with initial conditions:\n");
printJacobian(odeModel, data);
/* we must free this cvodeData structure */
CvodeData_free(data);
printf("Does it change after integration?\n\n");
/* creating settings and integrate */
set = CvodeSettings_create();
CvodeSettings_setTime(set, 1000, 1);
iI = IntegratorInstance_create(odeModel, set);
IntegratorInstance_integrate(iI);
/* get cvodeData from integratorInstance, it contains
the values at the last time point,
and just do the same as above */
data = IntegratorInstance_getData(iI);
printf("Jacobian at time %g:\n", IntegratorInstance_getTime(iI));
printJacobian(odeModel, data);
printf("J[6,4] changed its sign. Let's take a look at the equations:\n\n");
vi = ODEModel_getOdeVariableIndex(odeModel, 6);
vj = ODEModel_getOdeVariableIndex(odeModel, 4);
f = ODEModel_getOde(odeModel, vi);
formula = SBML_formulaToString(f);
printf("The ODE d%s/dt = \n%s \n\n",
ODEModel_getVariableName(odeModel, vi),
formula);
free(formula);
f = ODEModel_getJacobianEntry(odeModel, vi, vj);
formula = SBML_formulaToString(f);
printf("The jacobian entry (d%s/dt)/d%s = \n%s \n\n",
ODEModel_getVariableName(odeModel, vi),
ODEModel_getVariableName(odeModel, vj),
formula);
free(formula);
VariableIndex_free(vi);
VariableIndex_free(vj);
printf("MAPK_P is both a substrate and a product of MKK_PP ");
printf("in different reactions.\nTherefor the corresponding ");
printf("entry in the jacobian can change its sign, depending ");
printf("on concentrations!\n");
/* finally draw a `species interaction graph' of the jacobian' */
drawJacoby(data, "jacobian", "gif");
printf("Take a look at jacobian interaction graph in");
printf("file jacobian_jm.gif that has just been constructed.\n");
printf("If you have compiled w/o graphviz, you just have a textfile");
printf(" jacobian.dot\n");
printf("Thx and good bye!\n");
/* note that this cvodeData MUST NOT be freed, it stays with and
will be freed together with integratorInstance */
IntegratorInstance_free(iI);
CvodeSettings_free(set);
}
else {
SolverError_dumpAndClearErrors();
printf("Sorry, for this system we couldn't generate the Jacobian.\n");
printf("Integration can still be run with internal approximation.\n");
}
ODEModel_free(odeModel);
return 1;
}
int doit(void)
{
int i ;
double value;
cvodeSettings_t *settings ;
variableIndex_t *s1, *s2;
integratorInstance_t *integratorInstanceA;
integratorInstance_t *integratorInstanceB;
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");
RETURN_ON_ERRORS_WITH(1);
/* 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 1 will be ignored and Time =
0.1 will be used as timestep for infinite integration */
CvodeSettings_setTime(settings, .1, 1);
/* Setting Cvode Parameters: absolute and relative tolerances and
maximal internal step */
CvodeSettings_setErrors(settings, 1e-18, 1e-14, 500);
/* Setting Integration Switches: see documentation or
example simpleIntegratorInstance.c for details on
the passed values */
CvodeSettings_setSwitches(settings, 1, 1, 0, 0, 0, 0, 0);
/* use compiled model */
CvodeSettings_setCompileFunctions(settings, 0);
/* Generate two independent integrator instances from the same
odeModel and cvodeSettings */
integratorInstanceA = IntegratorInstance_create(model, settings);
RETURN_ON_ERRORS_WITH(1);
integratorInstanceB = IntegratorInstance_create(model, settings);
RETURN_ON_ERRORS_WITH(1);
DumpState(integratorInstanceA, integratorInstanceB, s1, s2);
for (i=0; i != 30; i++)
{
/* run integrations A and B */
IntegratorInstance_integrateOneStep(integratorInstanceA);
RETURN_ON_ERRORS_WITH(1);
IntegratorInstance_integrateOneStep(integratorInstanceB);
RETURN_ON_ERRORS_WITH(1);
/* While variable s1 from integration A is between 1e-15 and
1e-16, set variables s1 and s2 in integration B to some
value. This function also takes care of creating and
freeing CVODE solver structures when ODE variables are
changed!
*/
value = IntegratorInstance_getVariableValue(integratorInstanceA, s1);
if ( value < 1.e-15 && value > 1.e-16 )
{
IntegratorInstance_setVariableValue(integratorInstanceB,
s1,1.5e-15);
IntegratorInstance_setVariableValue(integratorInstanceB,
s2,1.5e-15);
}
DumpState(integratorInstanceA, integratorInstanceB, s1, s2);
}
IntegratorInstance_free(integratorInstanceA);
IntegratorInstance_free(integratorInstanceB);
VariableIndex_free(s1);
VariableIndex_free(s2);
ODEModel_free(model);
CvodeSettings_free(settings);
return 0;
}
int
main (int argc, char *argv[]){
int i, j;
odeModel_t *om;
cvodeSettings_t *set;
integratorInstance_t *ii;
cvodeResults_t *results;
variableIndex_t *y, *p;
/* Setting SBML ODE Solver integration parameters */
set = CvodeSettings_create();
CvodeSettings_setTime(set, 300.0, 10);
CvodeSettings_setErrors(set, 1e-9, 1e-4, 1e9);
/* ACTIVATE SENSITIVITY ANALYSIS */
CvodeSettings_setSensitivity(set, 1);
/* 0: simultaneous 1: staggered, 2: staggered1
see CVODES user guide for details */
CvodeSettings_setSensMethod(set, 0);
CvodeSettings_setJacobian(set, 1); /* for testing only */
/* CvodeSettings_dump(set); */
/* creating the odeModel */
om = ODEModel_createFromFile("MAPK.xml");
/* get a parameter for which we will check sensitivities */
p = ODEModel_getVariableIndex(om, "K1");
/* calling the integrator */
ii = IntegratorInstance_create(om, set);
printf("### Printing Sensitivities to %s (%g) on the fly:\n",
ODEModel_getVariableName(om, p),
IntegratorInstance_getVariableValue(ii, p));
printf("#time ");
IntegratorInstance_dumpNames(ii);
IntegratorInstance_dumpPSensitivities(ii, p);
while( !IntegratorInstance_timeCourseCompleted(ii) ) {
if ( !IntegratorInstance_integrateOneStep(ii) ) {
break;
}
IntegratorInstance_dumpPSensitivities(ii, p);
}
VariableIndex_free(p);
if ( SolverError_getNum(FATAL_ERROR_TYPE) ) {
printf("Integration not sucessful!\n");
SolverError_dumpAndClearErrors();
return(EXIT_FAILURE);
}
y = ODEModel_getVariableIndex(om, "MAPK_P");
printf("\nLet's look at a specific ODE variable:\n");
/* print sensitivities again, but now from stored results */
printf("### RESULTS for Sensitivity Analysis for one ODE variable\n");
printf("#time Variable Sensitivity Params...\n");
printf("#time ");
printf("%s ", ODEModel_getVariableName(om, y));
for ( j=0; j<ODEModel_getNsens(om); j++ ) {
p = ODEModel_getSensParamIndexByNum(om, j);
printf("%s ", ODEModel_getVariableName(om, p));
VariableIndex_free(p);
}
printf("\n");
results = IntegratorInstance_createResults(ii);
for ( i=0; i<CvodeResults_getNout(results); i++ ) {
printf("%g ", CvodeResults_getTime(results, i));
printf("%g ", CvodeResults_getValue(results, y, i));
for ( j=0; j<ODEModel_getNsens(om); j++ ) {
p = ODEModel_getSensParamIndexByNum(om, j);
printf("%g ", CvodeResults_getSensitivity(results, y, p, i));
VariableIndex_free(p);
}
printf("\n");
}
/* drawSensitivity(ii->data, "sensitivity", "ps", 0.9); */
p = ODEModel_getVariableIndex(om, "V1");
printf("\nWhat do sensitivities mean? Let's try out!\n\n");
printf("... add 1 to %s: %g + 1 = ",
ODEModel_getVariableName(om, p),
IntegratorInstance_getVariableValue(ii, p));
CvodeSettings_setSensitivity(set, 0);
IntegratorInstance_reset(ii);
IntegratorInstance_setVariableValue(ii, p,
IntegratorInstance_getVariableValue(ii,p)+1);
printf("%g\n", IntegratorInstance_getVariableValue(ii, p));
printf("... and integrate again:\n\n");
CvodeResults_free(results);
IntegratorInstance_integrate(ii);
results = IntegratorInstance_createResults(ii);
/* and print changed results */
printf("#time %s\n", ODEModel_getVariableName(om, y));
for ( i=0; i<CvodeResults_getNout(results); i++ ) {
printf("%g ", CvodeResults_getTime(results, i));
printf("%g\n", CvodeResults_getValue(results, y, i));
}
printf("\nSee the difference?\n");
printf("Look what happens when the sensitivity changes its sign\n");
printf("between times 180 and 210.\n\n");
VariableIndex_free(y);
VariableIndex_free(p);
/* now we have the results and can free the inputs */
IntegratorInstance_free(ii);
CvodeSettings_free(set);
CvodeResults_free(results);
ODEModel_free(om);
return (EXIT_SUCCESS);
}
int
main (int argc, char *argv[])
{
int i, j, k;
int neq, nsens;
odeModel_t *om;
odeSense_t *os;
cvodeSettings_t *set;
integratorInstance_t *ii;
variableIndex_t *p1, *p2, *p3, *vi;
double *weights;
/* Setting SBML ODE Solver integration parameters */
set = CvodeSettings_create();
CvodeSettings_setTime(set, 30, 10);
CvodeSettings_setErrors(set, 1e-15, 1e-10, 1e9);
CvodeSettings_setMethod(set, 0, 5);
/* CvodeSettings_setStoreResults(set, 0); */
CvodeSettings_setJacobian(set, 1); /* for testing only */
CvodeSettings_setCompileFunctions(set, 0); /* for testing only */
/* CvodeSettings_dump(set); */
CvodeSettings_setFIM(set); /* ACTIVATE FIM */
/* creating the odeModel */
om = ODEModel_createFromFile("MAPK.xml");
ii = IntegratorInstance_create(om, set);
printf("\nFirst try a few integrations without sensitivity\n");
IntegratorInstance_dumpNames(ii);
printf("\n");
for ( i=0; i<2; i++ )
{
printf("Run #%d:\n", i);
IntegratorInstance_integrate(ii);
/* IntegratorInstance_dumpData(ii); */
IntegratorInstance_printResults(ii, stderr);
IntegratorInstance_reset(ii);
printf("finished\n\n");
}
/* ACTIVATE SENSITIVITY ANALYSIS */
CvodeSettings_setSensitivity(set, 1);
/* 0: simultaneous 1: staggered, 2: staggered1
see CVODES user guide for details */
CvodeSettings_setSensMethod(set, 0);
/* reset integrator to new settings */
IntegratorInstance_reset(ii);
printf("Now Activate Sensitivity\n\n");
os = IntegratorInstance_getSensitivityModel(ii);
nsens = ODESense_getNsens(os);
printf("nsens = %i\n\n", nsens);
for ( i=0; i<nsens; i++ ) {
vi = ODESense_getSensParamIndexByNum(os, i);
printf("%s\n", ODEModel_getVariableName(om, vi) );
VariableIndex_free(vi);
}
printf("\n");
printf("sensitivities calculated for all constants\n");
p1 = ODESense_getSensParamIndexByNum(os, 1);
p2 = ODESense_getSensParamIndexByNum(os, 2);
p3 = ODESense_getSensParamIndexByNum(os, 3);
printf("sensitivities printed for constants %s, %s, %s\n\n",
ODEModel_getVariableName(om, p1),
ODEModel_getVariableName(om, p2),
ODEModel_getVariableName(om, p3));
/* create non-default weights for computation of FIM */
/* weights should be extracted from objective function! */
neq = ODEModel_getNeq(om);
ASSIGN_NEW_MEMORY_BLOCK(weights, neq, double, 0);
for ( i=0; i<neq; i++ )
weights[i] = 1.;
/* set weights (to non-default values) */
IntegratorInstance_setFIMweights(ii, weights, neq);
/* *** *** *** *** *** *** discrete data *** *** *** *** *** *** *** */
CvodeSettings_setDiscreteObservation(set);
printf("DISCRETE DATA\n\n");
i = 0;
while ( i < 2 )
{
printf("Run #%d:\n", i);
while( !IntegratorInstance_timeCourseCompleted(ii) )
{
IntegratorInstance_dumpPSensitivities(ii, p1);
IntegratorInstance_dumpPSensitivities(ii, p2);
IntegratorInstance_dumpPSensitivities(ii, p3);
if ( !IntegratorInstance_integrateOneStep(ii) )
break;
}
IntegratorInstance_dumpPSensitivities(ii, p1);
IntegratorInstance_dumpPSensitivities(ii, p2);
IntegratorInstance_dumpPSensitivities(ii, p3);
fprintf(stderr, "FIM =\n");
for ( j=0; j<nsens; j++ )
{
for ( k=0; k<nsens; k++ )
fprintf(stderr, "%g ", IntegratorInstance_getFIM(ii,j,k));
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
IntegratorInstance_reset(ii);
i++;
}
/* *** *** *** *** *** *** continuous data *** *** *** *** *** *** *** */
CvodeSettings_unsetDiscreteObservation(set);
printf("CONTINUOUS DATA\n\n");
i = 0;
while ( i < 2 )
{
printf("Run #%d:\n", i);
while( !IntegratorInstance_timeCourseCompleted(ii) )
{
IntegratorInstance_dumpPSensitivities(ii, p1);
IntegratorInstance_dumpPSensitivities(ii, p2);
IntegratorInstance_dumpPSensitivities(ii, p3);
if ( !IntegratorInstance_integrateOneStep(ii) )
break;
}
IntegratorInstance_dumpPSensitivities(ii, p1);
IntegratorInstance_dumpPSensitivities(ii, p2);
IntegratorInstance_dumpPSensitivities(ii, p3);
/* calculate FIM */
IntegratorInstance_CVODEQuad(ii);
fprintf(stderr, "FIM =\n");
for ( j=0; j<nsens; j++ )
{
for ( k=0; k<nsens; k++ )
fprintf(stderr, "%g ", IntegratorInstance_getFIM(ii,j,k));
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
IntegratorInstance_reset(ii);
i++;
}
fprintf(stderr, "finished\n");
/* VariableIndex_free(y); */
VariableIndex_free(p1);
VariableIndex_free(p2);
VariableIndex_free(p3);
free(weights);
/* now we have the results and can free the inputs */
IntegratorInstance_free(ii);
CvodeSettings_free(set);
ODEModel_free(om);
return (EXIT_SUCCESS);
}