void checkSpeciesRefs(Model* model, ListOfSpeciesReferences* losr, set<string>& components, set<string>& tests,  const map<string, vector<double> >& results)
{
  for (unsigned int rp=0; rp<losr->size(); rp++) {
    SpeciesReference* sr = static_cast<SpeciesReference*>(losr->get(rp));
    if (sr->isSetStoichiometry() && sr->getStoichiometry() != 1) {
      tests.insert("NonUnityStoichiometry");
    }
    if (sr->isSetStoichiometryMath()) {
      tests.insert("NonUnityStoichiometry");
      components.insert("StoichiometryMath");
      if (variesIn(sr->getStoichiometryMath()->getMath(), model, results)) {
        tests.insert("AssignedVariableStoichiometry");
      }
      else {
        tests.insert("AssignedConstantStoichiometry");
      }
    }
    else if (sr->isSetId()) {
      double initialResult = 1;
      if (results.find(sr->getId()) != results.end()) {
        tests.insert("SpeciesReferenceOutput");
      }
      if (variesIn(sr->getId(), model, results)) {
        tests.insert("AssignedVariableStoichiometry");
        tests.insert("NonUnityStoichiometry");
      }
      else if (initialOverriddenIn(sr->getId(), model, results, tests)) {
        tests.insert("AssignedConstantStoichiometry");
        if (getInitialResultFor(sr->getId(), results, initialResult)) {
          if (initialResult != 1) {
            tests.insert("NonUnityStoichiometry");
          }
        }
        else {
          //Don't know what the actual initial result is, so we'll assume it's not 1.0.
          tests.insert("NonUnityStoichiometry");
        }
      }
      if (initialOverriddenIn(sr->getId(), model, results, tests)) {
        tests.insert("InitialValueReassigned");
      }
      if (foundInMath(sr->getId(), model)) {
        tests.insert("SpeciesReferenceInMath");
      }
    }
  }
}
void dealWithAssigningL1Stoichiometry(Model & m, bool l2)
{
  //char newid[15];
  std::string id;

  for (unsigned int i = 0; i < m.getNumReactions(); i++)
  {
    Reaction *r = m.getReaction(i);
    unsigned int j;

    for (j = 0; j < r->getNumReactants(); j++)
    {
      SpeciesReference *sr = r->getReactant(j);
      // we do not get here unless the stoichiometryMath is an integer
      // or a rational 
      if (l2 == true && sr->isSetStoichiometryMath() == true)
      {
        const ASTNode* ast = sr->getStoichiometryMath()->getMath();
        if (ast->isInteger())
        {
          int num = ast->getInteger();
          sr->setStoichiometry(num);
          sr->setDenominator(1);
        }
        else
        {
          int num = ast->getNumerator();
          int denom = ast->getDenominator();
          sr->setStoichiometry(num);
          sr->setDenominator(denom);
        }
        sr->unsetStoichiometryMath();
      }
      else
      {
        sr->setStoichiometry(sr->getStoichiometry());
        sr->setDenominator(1);
      }
    }
    for (j = 0; j < r->getNumProducts(); j++)
    {
      SpeciesReference *sr = r->getProduct(j);
      // we do not get here unless the stoichiometryMath is an integer
      // or a rational 
      if (l2 == true && sr->isSetStoichiometryMath() == true)
      {
        const ASTNode* ast = sr->getStoichiometryMath()->getMath();
        if (ast->isInteger())
        {
          int num = ast->getInteger();
          sr->setStoichiometry(num);
          sr->setDenominator(1);
        }
        else
        {
          int num = ast->getNumerator();
          int denom = ast->getDenominator();
          sr->setStoichiometry(num);
          sr->setDenominator(denom);
        }
        sr->unsetStoichiometryMath();
      }
      else
      {
        sr->setStoichiometry(sr->getStoichiometry());
        sr->setDenominator(1);
      }
    }
  }
}
void dealWithL1Stoichiometry(Model & m, bool l2)
{
  unsigned int idCount = 0;
  char newid[15];
  std::string id;

  for (unsigned int i = 0; i < m.getNumReactions(); i++)
  {
    Reaction *r = m.getReaction(i);
    unsigned int j;

    for (j = 0; j < r->getNumReactants(); j++)
    {
      SpeciesReference *sr = r->getReactant(j);
      if (sr->getDenominator() != 1)
      {
        long stoich = static_cast<long>(sr->getStoichiometry());
        int denom = sr->getDenominator();
        ASTNode *node = new ASTNode();
        node->setValue(stoich, denom);   
        if (l2 == true)
        {
          StoichiometryMath * sm = sr->createStoichiometryMath();
          sm->setMath(node);
        }
        else
        {
          sprintf(newid, "speciesRefId_%u", idCount);
          id.assign(newid);
          idCount++;
          sr->setId(id);
          InitialAssignment * ar = m.createInitialAssignment();
          ar->setSymbol(id);
          ar->setMath(node);
          sr->unsetStoichiometry();
        }
      }
    }
    for (j = 0; j < r->getNumProducts(); j++)
    {
      SpeciesReference *sr = r->getProduct(j);
      if (sr->getDenominator() != 1)
      {
        long stoich = static_cast<long>(sr->getStoichiometry());
        int denom = sr->getDenominator();
        ASTNode *node = new ASTNode();
        node->setValue(stoich, denom);   
        if (l2 == true)
        {
          StoichiometryMath * sm = sr->createStoichiometryMath();
          sm->setMath(node);
        }
        else
        {
          sprintf(newid, "speciesRefId_%u", idCount);
          id.assign(newid);
          idCount++;
          sr->setId(id);
          InitialAssignment * ar = m.createInitialAssignment();
          ar->setSymbol(id);
          ar->setMath(node);
          sr->unsetStoichiometry();
        }
      }
    }
  }
}