int IntegratorInstance_updateData(integratorInstance_t *engine)
{
  int i, flag = 1;
  cvodeSolver_t *solver = engine->solver;
  cvodeData_t *data = engine->data;
  cvodeSettings_t *opt = engine->opt;
  cvodeResults_t *results = engine->results;
  odeModel_t *om = engine->om;
    
  /* update rest of cvodeData_t **/
  data->currenttime = solver->t;

  for ( i=0; i<om->nass; i++ )
    data->value[om->neq+i] =
      evaluateAST(om->assignment[i], data);

  /* check for event triggers and evaluate the triggered
     events' assignments;
     stop integration if requested by cvodeSettings */
  if ( IntegratorInstance_checkTrigger(engine) )
    {
      /* recalculate assignments - they may be dependent
	 on event assignment results */
      for ( i=0; i<om->nass; i++ )
	data->value[om->neq+i] =
	  evaluateAST(om->assignment[i], data);

      if (opt->HaltOnEvent) 
	flag = 0; /* stop integration */
    }

  /* store results */
  if (opt->StoreResults)
    {
      results->nout = solver->iout;
      results->time[solver->iout] = solver->t;
      for ( i=0; i<data->nvalues; i++ ) 
        results->value[i][solver->iout] = data->value[i];
    }
          
  /* check for steady state if requested by cvodeSettings
     and stop integration if an approximate steady state is
     found   */
  if ( opt->SteadyState == 1 ) 
    if ( IntegratorInstance_checkSteadyState(engine) )
      flag = 0;  /* stop integration */

  /* increase integration step counter */
  solver->iout++;
    
  /* ... and set next output time */
  if ( opt->Indefinitely )
    solver->tout += opt->Time;
  else if ( solver->iout <= solver->nout )
    solver->tout = opt->TimePoints[solver->iout];
  return flag;
}
Esempio n. 2
0
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;
}